Follow us on:

Crankshaft lightening service

crankshaft lightening service Big or small, we service tractors, construction vehicles, and so much more. This is a brand new assembly it is not re-manufactured. Average weight is 44-46 pounds depending on stroke Customer Service Since 1952 Scat 435032LW F43 S/B Chevy Crankshaft-3. Now before this turns into a "you're an idiot, your lightweight pully will kill The Allison V-1710 aircraft engine designed and produced by the Allison Engine Company was the only US-developed V-12 liquid-cooled engine to see service during World War II. This is The crank, located at the bottom of the engine has quite a hard job as it converts the vertical motion of the pistons into rotational forces. These vibrations from the engine can become too much for the crankshaft to bear, causing it to fail. As always we will continue to strive to offer you, our very important and valued customer the highest quality products and the best customer service, at affordable and competitive prices. 000 4340 Alloy Crankshaft American Made! Starting with the finest high purity 4340 aircraft quality high nickel alloy. SV650 pictured above with our "SPS" conversion, lightened, balanced, polished - $449 Motorcycle engine rebuilding and retuning for all race cars, kit cars, hill climb and autograss cars Sales Line 01354 680164 Email enquiries@extremeengines. This results in faster revving and more horsepower. In the past, we recommended renewing the front seal during timing belt service as preventative maintenance. 00. 12 The CTS Turbo crank pulley is lightened to reduce parasitic drag on the engine. . This machine has only had (and worn out) 2½ operators in its lifetime so far, with Mike being the last ½ person. We brought the old RD style crank webs up to a more modern day design. We have the tooling and experience to handle the full range of crankshaft grinding. (4-stroke one-piece cranks exempt) ​ Services we offer are: ​ Crankshaft Rebuilding Crankshaft Stroking Crankshaft Balancing Crankshaft Lightening (mass reduction) Crankshaft Heavy (adding mass) Phase Pinning Keying the Centers True and Weld Cylinder Re-Plating Cylinder Boring Crankcase Line Boring Engine Rebuilding Ed's Crankshafts is a family owned and operated business that has been serving the greater Bay Area since 1976. Every time the pistons in a reciprocating internal combustion engine change direction, they generate a force. A counterweight is a protruding mass integrally cast into the crankshaft that partially balances the forces of the reciprocating piston and reduces the load on crankshaft bearing journals. Slide PERRIN Lightened pulley onto crank. Crank lightening, polishing, rebuild service with dynamic balancing matched and polished con rods, small end bushes, rocker arms matched Camshafts both Megacycle and Joy. If […] 4A-G Crankshaft, Front Pulley & Flywheel. Whatseparates us from other flywheel lightening services?. If the SST does not fit the A strong crankshaft is the heart of any racing engine. Has anyone had any experience with lightening the crankshaft on a 305? I want to look into the possibility of doing this to my vintage racer. 00 Crankshaft Rebuilding. The eventual OD of the crank can be reduced by as much as 3/4 inch. The Only Choice for Serious Racers - Contoured wing counterweight ensures reduced windage, while gun-drilled mains and lightened rod journals lighten rotating mass. It also has a 20% increase in rotational inertia. This results in faster revving and more horsepower. A Rebuilt Crankshaft is a Great Option Crankshaft rebuilding is precise work. To do this I used a Scotchbrite pad. We have lightened the webs slightly by reducing some of the mass of the old stock webs, this should help with better throttle response. com Tech: info@extremepsi. JMO SPark Once the crankshaft is ground, polished and straightened it is checked for hardness via the Rockwell Hardness Scale. 00. 480: 50 pound Legal with rounded leading and trailing counterweight edges. 00 GBE 186 Tool-maker quality work for the high-performance enthusiast! Custom Balancing has a Tool-Maker qualified machinist and we work on race motors/engines, hot rod engines, blueprinting, and all of your custom machining needs. There is a Service Letter L202B dated May 3, 1985 that addresses other engines (320, 360 and 540 Series engines) that also have lightning holes in the crankshaft. 50 Stroke-350 Main-2. Return and Refund Policy. Each time a cylinder fires, a force acts upon the crankshaft, causing it to twist. The flywheel is then mounted to the CNC lathe by using the original taper of the crankshaft that is indicated to. Price includes rod, crankshaft pin, washers, big end bearing, top end bearing and expert assembly. Same day crankshaft grinding service (4 hours) Same day surface grinding service (2 hours) Same day valve guide inserting, valve and seat cutting etc. from left to right: dave luevano, brad webster, erik nord, andrew garcia, corey howard, & russell nord history steve's machine shop was originated in 1974 by stephen nor First and foremost is primary crank balancing, this should be done any time a crank is stroked, lightened, or a heavier/lighter piston rod combination is used. This results in faster revving and more horsepower. 7 Hemi 4x4 The CTS Turbo crank pulley is lightened to reduce parasitic drag on the engine. Spec II machines special aluminum plates or bars (depending on the crank) to maintain crankcase compression at an optimum level. com The crank, located at the bottom of the engine has quite a hard job as it converts the vertical motion of the pistons into rotational forces. 351C (Timing Gear Set 942-TCS-351-CP required to adapt crankshaft to 351C engine) Scat Forged 4340 Pro Series Lightweight Crankshaft Ford 351W with 2. Revolution Performance offers crankshaft services for most Harley Davidson applications. But because excess weight limits maximum rpm, the lightest Sooo, if you consider that torsional vibration (deflection) can only be measured with special equipment on loaded crankshaft, then any crankshaft 'tuning' causes fatigue and main bearing rubs (at least). Because of its expense and the trouble involved when one breaks, racers require the crankshaft to be dependable-virtually bulletproof. Tool F43 Crank feature:, Straight shot and chamfered oil holes, Profiled counterweights, Pendulum-cut counterweights, Gun-drilled main line hole for lightening and equalization of crankcase pressure and Four lightening holes . Finished gear sets have a significant friction reduction that sheds oil faster and offers quicker break-in. Callies Compstar Center Counterweighted Crankshaft Thompson Motorsports carries a range of crankshafts including the popular Callies Compstar Center Counter Weight Crankshafts. A machine shop can repair almost any crankshaft if it is still in one piece. The 4320 non-twist forging design allows for internal balance. of five separate stations to ensure that there is no debris or contamination from At Northern Crankshafts, we specialize in both 2 and 4 stroke crankshafts for snowmobiles, watercraft, motorcycle, ATV, UTV, and outboards. COMMENTS: This product is for the service of CNC lightening, polishing and balancing of a crankshaft during a BBM engine build or on a customer supplied crankshaft. . Pit Stop USA has a wide variety of high performance racing crankshafts for your race car. This crankshaft features a standard snout style for ease of installation. radius journals, gun-drilled mains, and lightened rod journals for weight reduction. It was acquired by the seller in 2014 as a project that had been disassembled by its original owner in 1979. The crankshaft pulley is Afternoon all, Im looking to change my crank damper now the car is approaching 60,000 miles. 750" Mains and Ford 351C Scat 4351C16-2 This forged crankshaft from Manley Performance is great for IMCA RaceSaver and other classes that require a 48-50 pound crankshaft. $235. We can also lighten your flywheel before balancing and static balance your con rods end to end. T. A crankshaft with only two ounce-inches of imbalance at 2,000 rpm will be subjected to a force of 14. Drilling is usually the preferred means of lightening counterweights, and a balancer that allows the crank to be drilled while still on the machine can be a real time saver. D. 750 in. For this I was quoted a price of $35 for balancing. Follow the instructions on the GDS to start the test and select ‘Next’. Callies Compstar crankshafts are made from 4340 steel that is deep nitrided for strength and wearability, every crank is intended for high output installation. on one of the AWD race DSM's i built a while back we had a flywheel that weighed in at just under 11 lbs on a 2. 00: Lighten transverse engine backplate to ultra : light race spec: most models: £ 110. The counterweights are fully profiled and they are designed for internal balancing. One of motoman's smaller side trick was going against the grain of lightening or knife edging the crankshafts. The Upgrade crank pulley is lightened to reduce parasitic drag on the engine. OVERHAUL REQUIREMENTS WARNING The latest crankshaft is an absolute work-of-art, right down to the REM finish that helps deliver outstanding performance and reliability (it looks too good to put in the motor)! Without the engineering excellence & expert advice of Bryant Racing we could not have built the Worlds largest small block Chevy – 572 cuin. Every crankshaft is 100 percent inspected for critical dimensions, andRead More REM’s ISF® Process significantly reduces wear up to 95%, reduces contact fatigue and reduces lubrication requirements. Finished gear sets have a significant friction reduction that sheds oil faster and offers quicker break-in. The pulley is made from T6 6061 aircraft grade aluminum and hard anodized to reduce wear. The cost to have the lightening and balancing with conrods and pistons $1100. Our commitment to providing the best parts at the best prices is topped only by our dedication to providing the very best service to our clients. A word to the wise: if you’re going to attempt any of this, make sure the machine shop (or specialized crankshaft shop that they send work to) is a competent one; done incorrectly, crank grinding of any kind can leave you with out-of-phase piston movement, a weakened crankshaft, or other problems you don’t want to deal with! Upgrade crankshaft pully kit for all 2. It is a forged carbon steel, five main bearing, fully counter balanced affair. IMO Impact with torque stick is not really proper way , those things were made for guys cranking wheel lugs with there impacts on 5 :lmao: Honda says for used parts tighten to 36ft/lbs and then a additional 90deg . Oil holes radiused. The most popular service is lightening and race balancing cranks for racing and hot rod street bike use. $170. Services we offer are: Crankshaft Rebuilds ; Crankshaft Stroking; Crankshaft Balancing ; Crankshaft Lightening (mass reduction) Crankshaft Heavy (added mass) Phase Pinning; Keying the We offer many services including both standard and custom crankshaft work for the 2 and 4 stroke enthusiasts. I'm trying to hold out until the sensenich ground adjustable propeller is released for the 320 lycoming. *** R&R on one crank (end) only (min + true) 50. From his point of view a lightened crank causes its ability to accelerate faster not a good thing as that Yamaha Banshee Flywheel Lightening Service This listing is for the service of lightening your Yamaha banshee flywheel to allow for faster revving of your engine and better throttle response. Strokers- Clean Shot-peen Magnaflux Chamfer * please call for price quote Pre-Grind Harden Straighten Align Finish Grind & Polish Knife Edge, Full-circle lightened crank. We have experience in big bore conversions, re-sleeving and piston crown modifications as well as being able to balance and lighten crankshafts and flywheels so whatever your requirements give us call on 01753 525549. 10 Rod Has a gun-drilled main line hole for lightening and Using Scat's exclusive 9000 cast steel, these crankshafts minimize mass with lightening holes and counterweights. . We have been performing this service for more than 20 years without a single failure. 00 : $750. I've talked to many full service machine shops that won't even do this. in relationship to the crankshaft timing gear is shown directly below the gear title. When you need lighter-than-standard-weight crankshafts, check out Compstar mid-weight crankshafts from Callies. 00 each: Custom work: $95/hour: DEGREE Callies Crankshafts are at the top of the industry for quality of finish and reliability. American V-Twin Crankshaft Services The crankshaft is the heart of any engine. Racing engine clearance items for sale, high quality new and used racing engine parts and products This 1971 BSA A65 Lightning is a non-running example that was purchased new at Cycle World of Toronto on May 24, 1972. Lightening and then balancing the rotating assembly is a delicate job (especially on the inherently imbalanced inline 4 bangers). 0L: Service type Front Crankshaft Seal Replacement: Estimate $307. Retains balance strength and reliability. 00 Revolution Performance offers crankshaft repair services to help you fix your damaged, unbalanced, out of true flywheel. Crankshaft Specialists, Inc. Single cylinder four stroke crankshaft rebuilds for Kawasaki, Yamaha, Suzuki, and Honda. Crankshaft Regrinding Many older British and European motor cycle manufacturers offered undersize bearings to allow for reclaiming worn or damaged crankshafts by re-grinding. DTC P1326 – ENGINE INSPECTION / REPLACEMENT (SERVICE CAMPAIGN T3G) TSB #: 20-01-004H-1 Page 8 of 15 SUBJECT: SUBJECT: 11. The crankshaft will be able to cut through the oil much smoother, thus improving overall power delivery from the engine. It requires an experienced technician and several thousand dollars worth of sophisticated tooling and equipment to do properly. We offer a wide range of different crankshaft manufacturing technologies: machining centers, ID/OD milling machines, TTB machines and laser hardening machines. com/officialaaronaaron/When rebuilding your engine with new bearings its essential to have a high polish crankshaft We offer a full engine balancing service that will improve performance and efficiency. We have the ability to balance items up to 33" between bearing supports, up to 36" in diameter and up to 165 pounds. 4 cylinder cranks - Yamaha, Suzuki, Honda, Kawasaki - Balance only 4 cyl - $129. 00 P&P . Heavy-Duty Build Quality. FOR REINDEXING OF CRANKSHAFT, ADD TO REBUILD CHARGE: 2 CYL/30. Tim's Automotive Machine is equipped with several high tech computerized pieces of equipment to machine engine components with amazing speed, accurracy and precision. –5 p. Complied and written by Richard White, submitted 1/05 . Okay, I have a 2001 eclipse GT with about 114,000 miles on it. Carrillo Rods: lighter/stronger than stock rods - $675. 2. All Voodoo Cranks are nitride heat treated with micropolished journals to add even further durability. MY INSTAGRAM: https://www. Nevertheless, the stress concentration factors where journals and pins joined the crank web and at other irregularities such as oil holes and lightening holes in the journals and pins were unknown. The Manley Pro Series crankshafts have micro-polished large. 99 This listing is for the service of lightening your Yamaha banshee flywheel to allow for faster revving of your engine and better throttle response. 649 in. There is a difference! These forgings have high quantities of nickel and chromium, which insures strength and long service life. We design the pin journal lighter with lightening halls and heavier counter weight with wide web shape or even heavy metal inserts. Crank Shaft Services We offer crank shaft rebuilding, lightening, and balancing, plus short stroke cranks for B50s, as well as B25 crank modifications for racing and reliability. To lighten the crank even further, gun drilling is an option where the crank is drilled through the center. Part Number Description Quantity/Vehicle 12591866 Crankshaft Rear Oil Seal 1 . For Small Block Chevy applications. That’s 3mm more than standard. Our firm sells many different makes of OEM crankshafts both rare and common. 00. Machining Service :. Lightening holes in the rod journals reduce crankshaft inertia weight for faster The Allison V-1710 aircraft engine designed and produced by the Allison Engine Company was the only US-developed V-12 liquid-cooled engine to see service during World War II. This new crankshaft is stronger and comes completely machined and balanced. 0L Turbo: Service type Front Crankshaft Seal Replacement: Estimate $169. Stroked or internally balanced crank: $95/hour plus heavy metal: Drill & tap nose: $95: Custom crank grinding: Call for Quote: PISTONS: Pin fit: $12: Press pistons on rods: 8-$250, 6-$190, 4-$130, 1-$45: Digitized and CNC piston domes: Call for Quote: Flycut for canted valves: $40: Flycut pistons: $30. Because we have our own freehold premises and do the majority of work ‘in house’ our prices are very keen. Cylinder Boring Line Boring Square Decking Cylinder Head Porting Dynamic Balancing is a method used to eliminate vibration created by unequal centrifugal forces introduced during manufacture. Lightening and "The metal bar used to make a forged 4. You have the weight of the crankshaft and the pistons and rods. Crankshaft Applicability (per Lycoming® Service Instruction SI1435) III. One of motoman's smaller side trick was going against the grain of lightening or knife edging the crankshafts. The #1 rod journal is not drilled in order to provide extra strength on the front of the crankshaft. The lightning bolt light came on flashing along with check engine. crank grinding and stoker grinding, we have ground close to 70,000 crankshafts. All 500 cc engines. Gains of 5-7 horsepower can be expected. Also crankshaft lightening, welding and truing available. AND FREIGHT PLEASE PHONE TO ORDER. Rear Main Seal Style 2-piece Requires Narrow Bearings Yes Rod Bearings Included No Rod Journal Diameter (in) 2. SV650 pictured above with our "SPS" conversion, lightened, balanced, polished - $449 Service Table of Limits - SSP-1776 for the crankshaft disassembly and inspection procedures. But on the other hand, there are tons of knife-edged and lightened crankshafts still running good, made outside the manufacturer's factory. 4A-G Crankshaft, Front Pulley & Flywheel. 00 GBE 182 : 82mm VW journal forged C/W crankshaft with VW lightened flywheel outright. LaBaron's Power Sports has been rebuilding crankshafts for dirt bikes, ATV, side by sides and snowmobiles for years. Examine, the crankshaft counter-bored recess, the alignment dowel especially at the base where it goes into the crankshaft, the bolt hole threads, and the crankshaft gear for wear, galling, corrosion, and fretting. Failure to line up key with keyway on pulley willl result in damage to pulley and nose of crankshaft. We have many years experience in this very specialised field, producing an exceptionally high standard of work. It is now time to install the PERRIN Lightened Crank Pulley Before I installed the lightened crank pulley I first had to remove a little rust from the nose of the crankshaft. Find your crankshaft kit by year, make, model, and engine type. We can also supply Pankel Titanium Rod Kits and Pistol pistons at a reasonable cost. com Forged 78mm crankshaft and VW lightened flywheel outright. m. Want to experience even more from your engine? Pair the crankshaft pulley with our Power Series exhausts, tailored for Mazda 3, Mazda 6 and Cx5. Installing a Timken bearing in the left case (2003-later) also helps minimize crank problems when horsepower reaches roughly 100 and higher. Engine surged at idle until I stopped , restarted and rev'ed to higher RPMs. 2. The prefered crankshaft for many oval track applications. 100: 350: 5. Suzuki RG125 RG 125 RGV250 RGV 250 TS125 TS125R FUN Mitaka kit In the same vein, the companies offer cranks with a star flange: lightening of the back of the crank, where the contour is machined around the flexed flange bolts. by appointment only. The 200 mm flywheel from the type 1 and type 3 engines is suitable for a connection with 8 dowel pins on the crankshaft (this flywheel also fits on the 4 original pins). Ohio Crank News 7/23/2019 7/23/19 Blocks – Maintaining a large inventory including Dart Machinery, World Products, Brodix, and General Motors. A proven, solution-focused approach. 6. Callies Crankshafts are at the top of the industry for quality of finish and reliability. SCAT Volksaver Counterweighted Crankshaft, Cast, 69mm with VW Rod Journals, 10692 is a budget counterweighted crankshaft for engines that won't exceed 110hp or 5500 RPM. But this force also causes vibrations in the crankshaft, and at certain frequencies, the shaft can resonate, which makes the vibrations even worse [source: Mach V]. One item that must be checked is the chamfer on the face of the back where the input shaft splines may need clearance. 505B (Supersedes Service Bulletin No. Concentricity and surface finish are the two most desirable features in a high performance crankshaft journal. azusa, ca 91702 (626)967-0782 stevesmachineshop@yahoo. Stock Spec. Over the last 15 years Etxetar has become a world leader in high production crankshaft manufacturing. On some machines especially older motors with engine modifications. As such I’m on the fence as to go for a KAVs solid lightened one, or replacing it with a PRW fluid dampened system. Save $10 off $299, $20 off $699, $30 off $899, $100 off $1,899 Orders 3. 001 inch or less of runout. Crankshafts are generally forged from steel although they can also be cast from iron but the forged steel ones are lighter and are more compact. Versions with a turbocharger gave excellent performance at high altitude in the twin-engined Lockheed P-38 Lightning , and turbo-superchargers were fitted to experimental Lightened and Balanced (Race Version) Lightened, balanced, deburred, journal oil holes relieved, soda blasted, micro polished and oil hole ball bearings are removed and tapped for socket style plugs. Crankshaft (single plane) knife edging for reduced weight and decreased windage, flywheel lightening and final balancing. 00. The crankshaft is spun while in the opposite direction and the emery paper is put in contact with the journal. We remove the magnets before lightening the flywheel Vibration eliminators are used during machining Flywheel lightening does not affect original balance Flywheels are machined by mounting to the original taper of the crankshaft Mounting fixtures are indicated to . Stronger and more durable than stock castings. BDK Race Engineering, motorbike engineering, tuning 2 and 4 stroke of FZR400RRSP, RDS, RGS, RGVS, TZ/TZRS. This results in faster revving and more horsepower. The SCCA/SCAT cast iron crankshaft is a duplicate of the original Uprated Ford OEM unit. 00 : $750. Legal for IMCA, as well as other classes (please check rule book). The car started like brand new Red lightening bolt is on truck won’t start replaced throttle body,cam,crank sensors a new battery and checked for no broken wire. m. The crank can start to come apart and in some cases twist, knocking the crank out of true. The Ford Performance High Strength 302 3. 95 + £25. The pulley is made from T6 6061 aircraft grade aluminum and hard anodized to reduce wear. Mechanic's Assistant: Does the battery look like it's leaking? And does it have a strong smell -- like sulfur? No brand new. 12. Attached is a pic of rough machining the throw sides on a SCAT crank. Includes:2 piece rear main sealOEM "appearing"Not drilled on second/third rod throwsNo knife edge or undercut48 - 50 lbs total weight Specs:3. We have over 40 years of experience remanufacturing Harley-Davidson® engines and are considered the motorcycle industry's leading experts. Saturday, 8 a. 4A-G Crank. The Crankshaft Rear Oil Seal Replacement procedure in SI states what parts are required to complete the repair. Crankshaft Services Press together and bolt together cranks can easily become out of balance and out of phase. All 250, 125, 100, 85, 80, 65 and 60 cc engines. Our balancing services include: Flywheel lightening We also offer a range of services to tune or modify your engine. S. We machine metal off the outside diameter of the flywheel and drill holes with our CNC mill through the flat web of the flywheel so that it remains balanced. Only $75. 13: Shop/Dealer Price $315. SERVICE BULLETIN 717/3 652 Oliver Street Willamsport, PA 17701 U S. 52: 2012 Mercedes-Benz C300 V6-3. 00: Flywheel Resurface & Service (Includes: inspection, cleaning, seal polish, thrust depth machine and run-out correction, gear cleaning and Service : Prices: Lighten flywheel to road spec: most models: £ 80. ULTIMATE 2 MIL STROKER CRANK KIT- $2850. Rodlands Crank Grinding Service 1128 Reese Road Warriors Mark, PA 16877-6420 Hours of Operation: Monday–Friday, 8 a. NOTE: VW TOOL T10355 IS REQUIRED FOR The polished rods are also lightened, their oval section is gas flowed, and they are modified around the big end to ensure better cooling and lubrication of the big end bearing. 3 CYL/45. 0001 inches before lightening the flywheel. 700: 1500: 350-3480BB6F-57 Reach Your Power Band Faster - Lightening holes in rod journals reduce crankshaft inertia which enables increased acceleration. co. At any point in the assembly’s rotation, the sum of all of the forces are […] Description. Power Service Literature Page 1 of 9 CorkSport service and support: Includes a 2-year limited warranty, full-color installation instructions, and all necessary components. And remember, SCAT’s highly engineered and innovative crankshafts offer many benefits that are shown in our Anatomy of a SCAT Crankshaft. 7/29/19 Billet Crank Sizing – All Ohio Crankshaft billet cranks, Chrysler and Chevrolet are finish ground to your desired sizes, definitely not one size fits all. Tim's Automotive Machine is equipped with several high tech computerized pieces of equipment to machine engine components with amazing speed, accurracy and precision. The first step in understanding crankshaft balancing is to understand the purpose of the counterweights. 38# transmissions with internal clutches, lightened rods, cranks, etc. Great for mild to moderate engines. I have been considering sending a crank to Falicon and let them do their extra light supercrank service. 000-inch SBC crank measures about 4. -Lightened crankshaft (not to much, not to little)-Balanced to perfection (state of the art balancing equipment)-Micro polished journals (same technique as Penske racing) This OEM quality reproduction seal fits on the right hand crank shaft of your sweet Yamaha 2-Stroke smoker. 40-inch Stroker Crankshaft is manufactured from forged 4340 steel and precision-machined for superior strength and durability. • Lightening • Pin Fitting : Connecting Rod Service • Checking • Resizing • Pin Fitting • Bushings • Shot Peen • Polish Beams • Assemble Rods and Pistons : Crankshaft Service • Straightening • Micro Polish • Detail • Knife Edge • Heat Treat • Machine Keyways • Machine C/WTS • Drill/Tap Snout • Broach Keyways Lightening & Knife Edging. 00. Instead he says to leave it stock or at least have it just balanced. We can accommodate items such as pumps and impellers, electric motors, shafts and axles, cooling fans, HVAC components, most engine components, and most any Lightening your Blaster flywheel is a great way to achieve faster acceleration, quicker throttle response, better engine braking and increased engine RPM's. 00 : $750. 24/7 global crankshaft/crankpin services – call us for support. Our crankshaft specialists have at their disposal both a Schledum and a Storm Vulcan crankshaft grinder, machines with capacities from a small one cylinder lawn mower shaft up to a large industrial crankshaft. There are 7/8" lightening holes in the #2-4 rods journals They also have dual keyways, 3/4-16 threads in the nose, and the flange is drilled to either 1/2" or 7/16". 35 - $268. It is an inexpensive and easy way to wake up your Normally aspirated or Turbocharged engine. $1. Fixed pitch operation requires crankcase drain provision if: Figure 1. Shop for remanufactured crankshaft kits and cylinder head repair services. 125 in. There's no reason (other than cost) to not run a lightweight crank. I have made many dyno pulls with engines with reduced OD cranks but never with and without in the same engine. Determining how much mass to add or remove from the crank counterweights requires measuring all of the components in the rotating assembly individually on a high-precision scale. 00 : $750. I had a crankshaft that was to be lightened , knifedged, and drive gear scolloped as per our conversations with Doug Rowe. A Check Engine Light can also be set off by a wide variety of other issues. Instead he says to leave it stock or at least have it just balanced. When it comes to Crankshaft Service and Repairs look no further we are here to help! Crankshaft grinding, crankshaft repair, new crankshafts. We love bringing classics back to their former glory. APE STROKES ALL 4 CYLINDER PLAIN-BEARING CRANKS. 140" radii on the rods and mains. • Through pin lightening holes. How many time have you had the prop off and not bothered to look the flange over VERY CLOSELY? The mass of the crankshaft counterweights should equal 100 percent of the rotating mass and 50 percent of the reciprocating mass. 4 CYL/50. This machine was purchased in 1984, the year we started Valley Crankshaft. The situation changed in the mid to late 1930s with fatigue testing to failure of crank elements of various designs. In circle track we lightened everything that bolted to the crank. 11. 4A-G Crank. The MKII crank was 1979-1980, the KZ1000 crank was 1976-1978, and the 900 Z1 crank was 1973-1976. The MKII crank has a larger crank pin, it is stronger and prefered for output beyond 200HP. Your stock 748/9xx/10xx crank will come back looking like the crank that's been converted in the pic above. Price includes rod, crankshaft pin, washers, big end bearing, and expert APE offers crankshaft stroking. We repair and/or balance crankshafts to precision tolerances using state of the art equipment like the ultra high end Sunnen DCB750 dynamic balancing machines. A 23-6181 DATE: December 1, 1997 Service Bulletin No. Where bearings are still available H T Howard can regrind your motorcycle crankshaft using exactly the same machinery and techniques as for any other engine. uk. 8 Our computerized “Captor” system allows us to follow each crank through every step of the production process. Versions with a turbocharger gave excellent performance at high altitude in the twin-engined Lockheed P-38 Lightning , and turbo-superchargers were fitted to experimental Motorcycle engine rebuilding and retuning for all race cars, kit cars, hill climb and autograss cars Sales Line 01354 680164 Email enquiries@extremeengines. Contact Extreme PSI 1553 Winchester Road Unit C Bensalem, PA 19020 215-244-4295 Fax: 215-244-4297 Sales: sales@extremepsi. Tool-maker quality work for the high-performance enthusiast! Custom Balancing has a Tool-Maker qualified machinist and we work on race motors/engines, hot rod engines, blueprinting, and all of your custom machining needs. Yamaha Banshee Flywheel Lightening Service $ 74. 100: 350: 5. 00: Wedgemate (additional Cost for Dowel pin removal, and/or dowel pins) $225. Many manufacturers state they use 4340, but very few use the same quality. EBR Motorcycles, LLC 2799 Buell Drive East Troy, WI 53120 (262) 642-1627 Hours: 8:30am – 5:00pm The crankshafts are stress-relieved, shot-peened, and magnafluxed. We also offer A50 and A65 modifications for needle bearing and end feed oiling. At 4,000 rpm, the force grows to 56. Crankshafts are generally forged from steel although they can also be cast from iron but the forged steel ones are lighter and are more compact. 25 microns or better to ensure a perfectly balanced flywheel. Some companies recommend lightening the flywheels so the engine will rev quicker. Now I've always thought that balancing was a waste of money for a street engine in normal service, but I autocross a lot and often run the engine to 7000 rpm, so for the price I couldn't resist balancing this one. I purchased this truck last month with 185K miles and it ran great until today. I know that Falicon performs this service and I was wondering if there was anyone else and if there are any issues involved that would need to be addressed. Next Image. New Auto Parts. SERVICE PROCEDURE . Cascade Balancing is a full service precision balancing company. So i bought a starter, installed with no problem. This machining results in greater acceleration at no expense to the powerband. Tel: +44 (0) 1604 722064 Fax: +44 (0) 1604 722065. ALL PRICES PLUS G. Knife Edge, Full-circle lightened crank. Manley 4340 Forged Crankshaft, Chevrolet 350 Main, IMCA Legal These 4340 non-twist steel crankshafts have been manufactured for class racing. They feature small mains and Honda rod journals. m. We primarily focus our efforts on competition drag racing engines but have provided engines and machining for many different circle track, off road, marine, and street vehicles. Service type Front Crankshaft Seal Replacement: Estimate $251. $1. This crank was checked for true before welding, and then retrued after welding to . Top End Performance has been your source for the best prices on brand name, top quality car parts since 1994. 1-814-632-3035. Included in the kit is the lightened crank pulley, replacement OEM bolt and a shorter belt. The 4A-G crank is by all appearance a high performance piece of hardware. m. the cylinders look good as I can still see the original honing marks, need to check for a lip though (cant get to it atm). 5" crankpin Buell XB and XR1200 Sportster crank to 91-03 XL's and 95-02 Buells, see below for details. 82: 2015 Mercedes-Benz C300 L4-2. £439. Quite literally, this means the Crankshaft balancing A full dynamic balancing service is offered for the rotating assembly, firstly the crankshaft itself is balanced followed by the flywheel and then the clutch cover. Berg lightened flywheel. With the exception of crankshaft grinding, Tim's Automotive Machine can repair or machine every engine component at their Bloomer, WI engine shop. Performance Auto Parts & Accessories. I am disappointed in the APE crank after directly comparing it with one done by falicon. We also stock related parts. The counterweights are designed to offset the weight of the rod and pistons. Included in the kit is the lightened crank pulley, replacement OEM bolt and a shorter belt. Carrillo Rods: lighter/stronger than stock rods - $675. 00 Available only from APE. polished to customer requirements, spring sets including titanium caps, 753 e. If you are looking for a great diet to put your rotating assembly on, contact us! If you are looking for a great diet to put your rotating assembly on, contact us! Crank trued by a qualified technician to OEM specifications or better, and pin welded to ensure crank halves stay true (includes Thunder Cat) $155. 88: Shop/Dealer Price $215. 00 Counterbalanced crankshaft with wraparound weights - $4 9 5. Yamaha Fitment Applications: RD250 - 1973-75 RD350 - 1973-75 RD400 - 1976-79 R5 - 1970-72 DS7 - 1970-72 The Yamaha RD350 ypvs like most 2 strokes has a pressed together crankshaft assembly, but unlike most two stroke cranks the crank pin (the part the big end bearing runs on) is replaceable. Finest Quality American Steels Heat treat, Cryo, Temper and Stress before machining and grinding results in “Through” hardness, which means a finished part that is more stable during racing service. The pulley is made from T6 6061 aircraft grade aluminum and hard anodized to reduce wear. Treating gears with this process removes the microscopic peaks in the machined gear surfaces, resulting in a final Ra of 4-6 µin. Lightening and then balancing the rotating assembly is a delicate job (especially on the inherently imbalanced inline 4 bangers). Providing workshop quality service on site, in dry dock or at sea. Every crankshaft is 100 percent inspected for critical dimensions, andRead More Flywheel lightening service. 00 each: Custom work: $95/hour: DEGREE However, HAMMER PERFORMANCE offers a service to allow the latest 1. R e-machined cranks are stress-relieved, lightened by 5# and balanced. specializes in 2- and 4-stroke press-apart crankshafts for the motorcycle, ATV, watercraft, snowmobile, and UTV industries. APE Crankshaft Department APE has been modifying and race prepping motorcycle crankshafts for over 22 years. Stroked or internally balanced crank: $95/hour plus heavy metal: Drill & tap nose: $95: Custom crank grinding: Call for Quote: PISTONS: Pin fit: $12: Press pistons on rods: 8-$250, 6-$190, 4-$130, 1-$45: Digitized and CNC piston domes: Call for Quote: Flycut for canted valves: $40: Flycut pistons: $30. 1L destroked 4g64 and just a quick tap of the pedal would see 3 to 4 thousand rpms in a heartbeat, and CRANK WORK - LABOR : Crank Lightening reduces the weight of the crankshaft 13%. $190. Crankshaft grinding is a methodical yet important part of engine remanufacutring. Balance holes are welded to reduce air and oil windage (turbulence). With 6" h beams and Wiseco pistons I had to put mallory in both ends of the crank to internal balance. Finished and inspected by Callies, these cranks are deep nitride hardened and feature drilled rod journals and profiled counterweights for piston clearance. Figure 5 shows how the crankshaft reacts when the air/fuel mixture in the combustion chamber is ignited. Tool-maker quality work for the high-performance enthusiast! Custom Balancing has a Tool-Maker qualified machinist and we work on race motors/engines, hot rod engines, blueprinting, and all of your custom machining needs. Refer to the latest revision of suppression. Crankshafts & Rods . See Figure "Bull Gear and Related Parts" . Machining Service :. Our designed custom crankshafts are gain more torque from lower r. 00 GBE 184 : 84mm Chevy journal forged C/W crankshaft with lightened VW flywheel. 00: Lighten flywheel to race spec: most models: £ 110. We fix crankshafts, and we fix them right! Everything from outboard marine and motorcycle to top fuel dragsters. Quantity Sold individually. Beware that a severely lightened crank will require equally light pistons and rods unless you plan to put your balancer's son through college. Cummins Drill Pin Kit; Installation of new bolts is recommended; Includes Drill fixture, drill bit & roll pins Your stock 748/9xx/10xx crank will come back looking like the crank that's been converted in the pic above. I settled Keeping our heritage on the road, so we can all enjoy the history. 75 inches when the forging process is complete," Lieb says. Key the Centers: Prevents crank from twisting out of phase. For example, gaskets, one-time use fasteners, and fluids. Knife Edge, Full-circle lightened crank. Repairs, maintenance, and restorations of vintage BMW Motorcycles and Isetta/700 - Airhead and Gen 1 K-bike - Full Service Motorrader Machine Shop: Cylinder Head, Boring/Honing, Precision Grinding, Welding, Crankshaft Rebuilding, Engine and Gearbox repairs, Glasurit 22 and 55 Paint and Hand-Painted Stripes Crank Grinding (Starting price, counter weighted or stroker additional) $45. The most popular service is lightening and race balancing cranks for racing and hot rod street bike use. info@automotive-services. 700: 1500: 350-3480BB6F-57 And finally, there has to be also a flywheel, which can be lightened depending on the application and equipped with 109 or 130 teeth. Unlike many production crankshafts which are nodular cast iron, the 4A-G is forged. Concentricity and surface finish are the two most desirable features in a high performance crankshaft journal. This equates to much quicker spool up and better bottom end longevity. 00 : $750. SSL Certificate. Flywheel lightened - posted in The Technical Forum Archive: Aside from driveability issues,what are the pros and cons of lightened flywheels on mass produced engines modified for performance ? Are there tangible benefits ,or are they too small to measure or consistently improve lap times ? There is a 3rd crank, the MKII. The NEW replacement crank has no lightening holes and a 3/8" thick flange as well as the proper interior coating and PID designation on the flange. com Tracking: tracking@extremepsi. determine which parts to order. 2 lbs. Crankshaft Lightening: For a select few crankshafts we do offer a very intense lightening process. 94 - $451. The longstroke crank for the Vespa largeframe engines comes with a stroke of 60mm. For mild applications this crank works well! A lighter flywheel helps to increase power, but is better suited for engines running at higher speeds. 140 inch, roundness of each journal is . $40. DRI offers a fairly solid solution for this problem DRI offers a Weld and True service for Banshee crankshafts. We use a CNC lathe and a precision ground arbor indicated to 25 microns (TIR) or better to ensure a properly balanced lightened flywheel. Featuring large 1/8" radii on all journals. m. Treating gears with this process removes the microscopic peaks in the machined gear surfaces, resulting in a final Ra of 4-6 µin. The CTS Turbo crank pulley is lightened to reduce parasitic drag on the engine. instagram. OE Yamaha 701 61X flywheel Lightened for increased performance. In addition we can also lighten your crankshaft and flywheel that will provide your engine with the best possible rotating assembly. That force is created by the reciprocating and rotating mass of the piston and rod assembly. This will cause excessive vibrations or shaking, loss of power, and poor main bearing life. This process creates an ultra smooth surface on the crankshaft, which reduces friction, which improves overall power and torque. Over that past few months its been getting harder to start, until about 2 weeks ago it stopped. Hi there, I should have included the prop information. Knife edging combines aerodynamics with weight reduction resulting in instant throttle response and engine pick-up. Increases bottom end t. there a wrench to hold crank pulley while you tighen/loosen the crank bolt . Andrews Precision specialise in crankshaft knife edging, lightening cranks and dynamically balancing them. The pulley sits on the opposite side of the flywheel, at least on VW Beetle, Karmann Ghia (Type-14), Thing (Type-181) and Type-2 Bus with a Type-1 engine. Where as the competition removes the magnets prior to machining which can alter the balance of the flywheel. The Longstroke crank P Range 60mm. Expect excellent service and selection when you visit Rodland’s Crank Grinding Service, your source for hi performance engine parts and machining. m. Included in the kit is the lightened crank pulley, replacement OEM bolt and a shorter belt. This is a service only to lighten your flywheel which you must supply to us. –12 p. Crankshaft Rear Oil Seal Replacement The failure usually begins on a journal at a point of stress concentration, such as a flaw, crack, oil hole or lightening hole. This product price does not reflect the price of the actual crankshaft. Introducing SCAT’s IMCA & Wissota approved 4340 Forged Crankshaft. I have been considering sending a crank to Falicon and let them do their extra light supercrank service. Our precise, no compromise production efforts deliver dimensional accuracy that is second to none. Avoid premature capital expenditure for engine replacement. Unlike many production crankshafts which are nodular cast iron, the 4A-G is forged. It usually occurs about 2/3 of the way down the crankshaft from the damper. 00 (exchange) Weights are laser cut and then bored for shrink fit. This is an old machine, but has been well cared for. ULTIMATE 2 MIL STROKER CRANK KIT- $2850. Crankshafts: refer to crankshaft straightening for costs. Knife Edging a crankshaft will help with lightening the bottom end of any engine but, it will also improve the windage while running. We provide knowledgeable telephone support at 360-260-2675. p. Without doing so can cause premature case, piston, rod bearing and even possible crank damage. If the crankshaft is shipping to a humid climate it is coated in Cosmoline which is a rust proofing agent. Banshee engines do not have the most reliable crankshaft. 00. Crank Services. It says that operators/owners should also comply with the inspection aspects of SB 465A (note now 465C) if the engines are or have been engaged in aerobatic maneuvers. Slowly turn pulley to align keyway with key on crank, and continue to slide pulley on. We felt there was a need for an updated crankshaft for this bike. 4cyl MicroPolish Crank $75; 4cyl Inline Oring Block $200 (requires deck service) Balance 4cyl Rotating assembly $295 (Crank, Pistons, Rods) Balance Full 4cyl Rotating assembly $395 (Crank, Pistons, Rods, Flywheel, Pressure Plate and Crank Pulley) Lightened "A" flywheel with V8 Ford pressure plate balanced separately on your crankshaft. Failures are often precipitated by the removal of the pulley bolt and cam sprocket to facilitate front crankshaft seal replacement. 505A) Engineering Aspects are FAA Approved SUBJECT: MODELS AFFECTED: Inspection of Crankshaft I. The falicon crank weighed 21 1/2 lbs and the APE crank weighed 21 lbs so it is Removes approximately 4-5 pounds off of the factory crankshaft weight. LIGHTENED DIGITALLY BALANCED MICROPOLISHED Fully profiled counterweights are designed for reduced windage through the crankcase creating less oil resistance for better rpm potential. Okay this is my first post to this forum so be gentle. BBB does not endorse The crankshaft that failed was a very old version with an 1/4" thick flange and a large rear chamfer. With the exception of crankshaft grinding, Tim's Automotive Machine can repair or machine every engine component at their Bloomer, WI engine shop. View our list of services here. APE Crankshaft Department APE has been modifying and race prepping motorcycle crankshafts for over 22 years. Send us a message today for details on how to get your flywheel lightened by MacDaddy Racing. 00. Or use any regular VW 12-volt starter. Shot peened and Nitrided for long life and wear resistance. Lightened No Main Bearings Included No Main Journal Diameter (in) 2. - $4 25. We now offer diamond honing on our Sunnen-SV10 computer controlled hone. Crank Works Inc. Ring Gear Lightening and Surface Treatment Services Innovators West machine shop services including REM Polishing and Ring Gear Lightening. 480" stroke5. Crankshaft Craftsmen also service crankshafts for motorcycle makers and even big rig trucks. Specifically designed to meet the requirements of the IMCA & Wissota racing classes, this crankshaft features no lightening holes in journals 2 & 3 and is made to withstand more power and stress than your stock GM cast crankshaft. These pics are a comparasion of a crank done by APE and one done by Falicon. 100 in. Difficulties are related to the crankshaft nose, keyway, cam drive sprocket, or pulley bolt (Figure 1). Voodoo Crankshafts from Lunati are engineered from 4340 non-twist forged steel that is known for its durability and strength in high performance applications. This process involves moving the rod journals away from centerline to increase the overall stroke in the engine. These forces are usually a result of density irregularities in the parent material and/or machining eccentricities and can in many cases be equivalent to several times the rotor’s weight at rotational speed. They feature small mains and Honda rod journals. Crankshaft lightening/knife edging. Tack welding the pin at both ends helps eliminate potential crankshaft shifting problems. NOTE: If crank pulley doesn’t go right on check that key hasn’t slid off the crank or lifted off. Suzuki T500 T 500 Crankshaft Rebuild Service Inc Rods, Bearings & Seals. $1,065. Engine Balancing (single plane) Single plane crankshaft balancing, pistons, rods, pulleys, flywheels, and clutches. 00: Lighten, polish, peen set of conrods: 6 cyl most models For drag, lighten the rods and pistons. Another issue of a potential problem with the crankshaft position sensor is an illuminated Check Engine Light. The are no negative effects to lightening your stock flywheel unlike replacing it with an ultra-lightweight Aluminum flywheel. Crank Grinding Our crank grinder is a 111 Van Norman crank grinder. com the current crew of steve's machine shop. REINDEXING CRANKSHAFT. 4 cylinder cranks - Yamaha, Suzuki, Honda, Kawasaki - Balance only 4 cyl - $129. Engineering services including Cylinder replating, Crankshaft lightening and balancing, valve seats, guides, springs, re-boring and liners, dynoset dyno, ignition modifications and repairs, titanium parts, TI/stainless/mild exhaust systems, carbon fibre parts, carbon fiber parts, alloy Well baranced crankshafts for high r. . Pressed or Bolted? Beginning in 2000 all factory XL & Buell cranks became press together assemblies, as opposed to the bolt-together versions found on 1991-1999 models. 2700cc crankshafts are available as billets or race-prepped Ford crankshafts. The longer the stroke the more severe the “Torque Spike” becomes. 00 2700cc crankshafts are available as billets or race-prepped Ford crankshafts. Send us a message today for details on how to get your flywheel lightened by MacDaddy Racing. • Ion-plasma nitride for superior journal surface hardness & wear resistance. Using a lightened flywheel with a stock, non counterweighted crankshaft requires using a GB 440E Equalizer pulley to dampen harmonics, bending, torsional twist and vibration. To find TDC compression (TDC), rotate the crankshaft with the crank rotator SST at least one cycle (1/2 turn). I want to renew the shells for the crank/pistons as it really would be rude not to but Im unsure if there may be damage to the crank and it would need a regrind. 00 : $750. Complied and written by Richard White, submitted 1/05 . The crank doesn't make much difference so get a sturdy one. Our precise, no compromise production efforts deliver dimensional accuracy that is second to none. These pictures will illustrate why. The fracture is generally at a 45° angle through the oil hole. Racers prefer lightweight cranks so their engine can rev quicker due to the reduced mass and that allows maximum acceleration. Many people have experienced the benefits of lightened and balanced crankshafts. The Signature Blower Crankshafts have . REM’s ISF® Process significantly reduces wear up to 95%, reduces contact fatigue and reduces lubrication requirements. Simply put, the main reason is to eliminate damaging and parasitic forces that cause unwelcome mechanical activity and robs the engine of its ability to freely transmit all of its power directly to the wheels. 0L TFSI EA113 engines with belt driven. Make sure that the place really seems to know what they're doing. Make sure that the place really seems to know what they're doing. It then progresses into a torsional fatigue failure. The most common problem is that small pieces of dirt pass through the engine over time and the dirt scratches the journals. the cheapest and best route to take for the same effect and to an even larger degree is a super light clutch and flywheel assembly. com So I took in just the crankshaft and connecting rods. 0001 inch or less and each rod journal is drilled with a 7/8 inch or 3/4 inch lightening hole to reduce the ProMax Ford 351C 4. From his point of view a lightened crank causes its ability to accelerate faster not a good thing as that Whether you’re building a stock engine, a high-revving performance engine or a slow-turning diesel engine, you can’t overlook the importance of balance. This service is not carried out on our premises and normal service is 4-5 days. R e-machined cranks are stress-relieved, lightened by 5# and balanced. The 4A-G crank is by all appearance a high performance piece of hardware. This modification can be performed on cranks that have damaged rod journals, as well as good cranks. Extend engine service life with damaged crankpin repair. We can manufacture crankshafts to almost any custom stroke, journal dimension combination desired. I had my crankshaft done by APE as they were highly recommended by lots of people and they did a pretty good job. Since GUY and others have pointed out that a lightened crankshaft is a smile generator. Cycle X (Lamb Chop) Lightened and Balanced Crankshaft Assembly. The crankshaft is another engine part that you should take to a machine shop for inspection. August 9, 2012 720 × 540 Pictures. We offer complete machine shop services, engine design, engine building, and dyno testing. Step 1) Slide pulley onto crank, slowly turn the pulley to align the keyway with the key on the crank. SW 16# ea. Everything. Phase Pinning: Prevents crank from twisting out of phase. 59 Bunting Road Industrial Est Northampton Northamptonshire NN2 6EE Darkhorse Crankworks' proprietary process to blueprint and balance, build or remanufacture crankshaft assemblies for the best builders in the world is the key to your dealerships success. Eagle uses magnafluxing, sonic testing and x-ray to ensure a reliable product. for Corrosion SCCA / SCAT Crankshaft. The bull gear and camshaft idler gear are a press-fit to the bull gear and camshaft idler gear carrier. Everyone thought it was the battery, i knew it wasnt. 3. Whether you want a crank repaired, rebuilt, trued, welded, or anywhere in-between, we have got the equipment and technicians to get you back on track. Save money and time when it really counts. Please call on 0423 322 175 to discuss all your options. Mechanic's Assistant: What is the model/year of your Dodge? 2006 Dodge Ram 1500 5. 4" prop extension, crankshaft with lightening holes. Crankshaft Material Cast steel Crankshaft Snout Style Standard Engine Balance External Engine Stroke (in) 3. Flywheel weight is good. The centripetal force created by a crankshaft imbalance will depend upon the amount of imbalance and distance from the axis of rotation (which is expressed in units of grams, ounces or ounce-inches). p. State Of The Art Crankshaft Services Our newest facility is located in Commerce Township, MI, minutes from Detroit. 00: Lighten, polish, peen set of conrods: 4 cyl most models from: £320. Quite literally, this means the Designed and manufactured for IMCA and other classes that require a crankshaft without lightening holes in the rod journals. 700" min Since GUY and others have pointed out that a lightened crankshaft is a smile generator. 480: 50 pound Legal with rounded leading and trailing counterweight edges. 00: Dowel Pin Removal (EDM) (when required) $150. 75-inches in diameter and the crank's total width ends up being 6. How to static balanced your motorcycle crankshaft the easy waybut requires some muscles :-) “Solid” crankshafts have no drain hole, oil tube, pierced rear plug, or lightening hole through the front main journal ID (per Lycoming® Service Instruction, SI1435). At Haas Machine we offer the customer a complete crankshaft service center. It is a forged carbon steel, five main bearing, fully counter balanced affair. When the cranks are prepared for racing, they are lightened and then balanced. Kit includes OEM Gen 2 busa crankshaft , fully lightened, counterbalancer gear removed, new billet race rods installed, new Suzuki bearings, and spacer plate. Every crank is American forged, American machined and quality checked to meet our exact specifications including: a shaft surface finish of grade 5 RMS or better, journal radii are ground to . If the computer detects a problem with the crankshaft position sensor’s signal, it will activate the Check Engine Light to alert the driver of the problem. arrow hwy. 100% magnafluxed. I've talked to many full service machine shops that won't even do this. crankshaft lightening service