CAST3736098. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The numbers are just figures a manufacturer uses to identify their products and to track them sometimes. (See below.) Melling listings include OEM applications to match the engine requirements desired including horsepower, economy and needed engine torque. 1970 Mustang Mach I "Synergy Green Pearl"351 Cleveland - Fuel Injection "The Rattle Shaker" Complete nut and bolt rotisserie restoration LESS than 500 miles by C.A.R.S. Chevy V8 "W" Motor 348-409 Casting Numbers. A DOHC is known as a dual overhead cam. (Advanced five degrees; use spring P/N 3970627.) In 1974, it was the cam for the 350/145hp, 185hp, 195hp; and 400/150hp, 180hp. We have it in internal combustion engines and some electric motor speed controllers. Inc. Lee's Summit MO. All of these applications had the same specs as the initial 1967 application. However, most cams intended for street use are ground with several degrees of advance. 1954-1955 235 Engine 3835913; 1956-1962 235 Engine 3836848; 1956-1962 261 Engine 3836850 force 120hz android The GM Ecotec engine, also known by its codename L850, is a family of all-aluminium inline-four engines, displacing between 1.4 and 2.5 litres. The 7661-11 is a serial number specific to that camshaft only. Other examples include small block Chevys -12, big block Chevys -11, and 5.0L small block Fords -35. Example: 63402A-2 enter 63402A The pushrods cam stays above the cylinder, which is always above the combustion chamber. My 1968 Camaro Site. There are 3 different ways to select your camshaft tightly. We would like to thank everyone that has contributed to the data provided on this site. It is an eight or nine-digit number. How Long to Drive After Reset Computer to Pass Emission Test? Below is some reference data for cylinder head casting numbers with valve sizes, years used, etc. engine P/N 10185058. It would take some digging and some research, but you could look through a parts catalog of some of the more popular cam manufacturers and see if you can match up part numbers with something. Because the camshaft orchestrates the entire valve system, your Chevy won't run properly without it. The numbers on it are, 3734R/3377R, HR13, I 3996-06. 14088552 Leave a comment at the end of this post if you cannot find the information you want. The Chevrolet small-block engine is a series of gasoline-powered, V-8 automobile engines, produced by the Chevrolet division of General Motors between 1954 and 2003, using the same basic engine block.Referred to as a "small-block" for its size relative to the physically much larger Chevrolet big-block engines, the small block family spanned from 262 cu in (4.3 L) to 400 cu in (6.6 L) in . Chevrolet "Stock" LS Camshaft. Chevy V8 SBC Block and Head Casting Numbers. ZL-1, Mark IV3946053.427.97-up4-bolt, Alum. Discussion in 'The Hokey Ass Message Board' started by indestructableforce, Nov 13, 2012. What are your thoughts on the #5054 or anything else? Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. I have this in a recent purchase5.3 cast-iron ls engine numbers are256373-18and 32340135Im at a loss..can you please help Jeff?.cheers dave. In 1975, it was the cam for the 350/145hp, 155hp, 165hp; and 400/175hp. The cam is in very good used condition and will likely be reused. His work has appeared in the "New Haven Register," Medford's "Mail-Tribune" and the "Ashland Daily Tidings." Show entries Search: Showing 1 to 10 of 46 entries Previous Next Big Block Crankshaft Casting Numbers Lookup VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. .390 .410 310 320 1.50 in 1968, it was the cam for the 307/200hp; 327/210hp, 250hp, 275hp, 300hp; and 350/295hp. This is a job for professionals and the mechanically-inclined. PERFORMANCE PARTS | My great WordPress blog. Can you guys help me pick a cam and fix my combo? I only put the numbers here that I can prove, so this is a short list. It is typically located in the center of the cam between the lobes. back of cam has 660 371079 front of cam has s42008L, i have a 572 hemi and i am in the process of pulling the cam but the harmonic damper is being a pain . The suffix provides the. In 1973, it was the cam for the 307/115hp; 350/145hp, 175hp, 190hp; and 400/150hp. no idea) and only pulls about 10psi vac at idle. The first two numbers are the degrees of opening being 210 for the intake and 218 degrees for the exhaust given normally at .050 inch of lift. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. CWC is the foundry that cast the cam blank. There are 3 different ways to select your camshaft tightly. In 1969, it was the cam for the 307/200hp; 327/210hp, 235hp; and 350/250hp, 255hp, 300hp. If it is an aftermarket service replacement cam, it may not have the same last 3 digits of the casting number cast between the lobes. Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. CAM 6964 1969 CAMSHAFT ID. Chevy LSX454 Camshaft. They appear to be a rock arms with a small diameter. The last 3 digits of the number of the CASTING is frequently very close but not the same as the PART number of the camshaft assembly. A call to Comp at 1-800-999-0853 will probably give you some more details. can you help me to decode this cam . If you don't have the VIN, you can still identify the engine by visual inspection if you know what to look for. I suspect you have . In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. Many camshaft number reference sites exist online for V8 engines, but determining the camshaft specs for six- and four-cylinder engines may require contacting a Chevrolet parts department. Its got a great loping idle (big cam?? The LEA is an engine produced by General Motors for a wide variety of compact and midsize vehicles. Im looking into a cam to suit small block ford. This hydraulic flat tappet "454" is a good street high-performance and marine cam used in the Gen V 454 H.O. Can You Register a Car in a Different Name than on the Title? (Yes or No). Displacing 2.4 liters in an inline-four configuration, the LEA is part of the Ecotec engine. All you have to do to determine valve lift is multiply the lobe lift times the rocker ratio. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Run-out on. ). Why are Volkswagen Oil Changes so Expensive? Only thing is the idle mixture screws have little effect (oh no timing pointer either on order) so cant really tell timing. In 1987, he assumed the role of editor for Hot Rod magazine before returning to his first love of writing technical stories. side, aluminum1022512295350.LT5, ZR1, DOHC, 32-valve, pass. Can Jumpstarting a Car Damage the Alternator? Manufacturer Part Number. Add the two numbers together and divide by 2. This will help you get the full details directly from the manufacturing, which requires the model and other factors that need attention. The ID number will consist of either eight or nine digits; the last four numbers identify the cam and its specific application. The Chevy Big Block's Camshafts can be identified by a number that is cast or stamped and is usually located in between the CAM lobes. Apr 13, 2014 Yeah, it has CR 760 stamped on the back, and then a date under it. The Chevy orange will appear as new for decades.Gear shifting is accomplished with a rebuilt 1960's HURST Competition Plus shifter specific to the C2 Corvette w/Borg Warner which is extremely rare.Ignition is handled by a computerized multiple spark discharge controller providing instantaneous throttle response by way of multiple sparking at . The recall affects several models of heavy duty Chevrolet Silverados and GMC Sierras with optional engine block heaters. The best way to identify an unknown camshaft is by identifying it with your eye or using stamped numbers engraved on the camshaft to identify it. Looks to have stock cast iron heads and exhaust. This sometimes is tagged stressing when you can just tell by looking at numbers, but in the absence of a degree when or dial indicator, an analog is required to make your best decision. It was later decided to build a supercharged version of the LS3 and it has less compression at 9:1:1 to run safer under boost. Can a Bad Battery Cause a Check Engine Light to Come On? That gives us our first clue where to look for the rest of the numbers. COMP Cams 12-600-4 Thumpr Cam, Small Block Chevy, 2000-5800 RPM. Stock GM LS engine cams feature LSA anywhere from 116 to 121 degrees because GM is concerned with creating a very smooth idle. Your camshaft is important; your engine isnt meaningful without the contribution of the Camshaft. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. It has a taper inside the lobe which ensures the lifter can spin. For instance, the number for a Toyota 3SGE would be CS 3SGE. Also can i safely run the Xtreme Energy, XR294HR on my 383 Vortec 906 heads and screw studs ? Small Block Crankshaft Casting Numbers Lookup Type your crankshaft casting number in the SEARCH BOX below. To avoid spinning, roller lifters are lifted together. This requires a little more time but COMP does not charge extra, which is a great service if you are into tweaking the cam a bit to do something special. This advances the intake centerline by that number of degrees. 49 BBC -6 ATC 223 78 BBC 32 ATC 290 .298 .447 . With over 35 years of experience in automotive machining, you will not find a more trustworthy and reliable source of parts. A native of New Haven, Conn., Floyd Drake III began writing in 1984. I have gone though the list of things to look for on the CC cam that came with a motor I picked up, but have not had much luck, so Im asking Jeff to have a look. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. [] Ask Away! In 1972, it was the cam for the 307/130hp; and an optional cam for the 350/165hp, 175hp, 200hp; and 400/170hp. Cheers Bart, I have a cam that is stamped K 7 THEN ABOVE IT IS 1264 321 7273 WHAT DO I HAVE ITS NEW IN BUBBLE WRAP. Remove the camshaft from the engine if necessary. The LS . 2. This an original 1966 283 camshaft casting number is 3732798, hydraulic lifters. Can I Sell a Car if the Title is not in my Name? I hope it helps you identify the Chevrolet engine parts you are working on. were used. Do not enter the -2 on dual cams part numbers or the (I) that indicates intake or (E) for exhaust. On this cam card, you will see the LSA is 112 degrees. I have a 1969 z28 I bought a few years back from a friend who was orig owner. One of the primary differences between the GM GEN 3 and 4 ECMs are how they estimate airflow using VE Tables. The Fora platform includes forum software by XenForo. For a better experience, please enable JavaScript in your browser before proceeding. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! Sept. 2019 Drag-Week Winner - N.Y. Legal Streeter - 1956 Chevy Bel-Air, It is typically located in the center of the cam between the lobes. Car AC Compressor Not Turning On (Causes and Quick Fix). The numbers engraved in the body part of the camshaft are called the Stamped number or casting number. Every engine needs a timing device that can control the opening and closing of the intake and exhaust valves. In 1972, it was the cam for the 307/130hp; and an optional cam for the 350/165hp, 175hp, 200hp; and 400/170hp. *54-55 passenger W/PG, 56-58 passenger. PG,63 4WD 1st series. $510.45. Ford Au part no ! In 1971 he installed a 1965 Corvette fuel injection system. ZL-1, 2nd version, Mark IV3955270.427.692 or 4 bolt3955272.396.692 or 4 bolt3955274.366T68-854-bolt3955276.427T68-734-bolt3963512.427.692 or 4 bolt3963512.454.70-762 or 4 bolt3969852.366T68-844-bolt3969854.396.692 or 4 bolt3969854.402.70-722 or 4 bolt3969858.427T68-844-bolt3999289.454.71-792 or 4 bolt, some "CE" replacement blocks had four bolt main caps3999290.396.68-692 or 4 bolt, Truck3999290.402.70-722 or 4 bolt, Truck3999290.402.722 or 4 bolt, Passenger3999293.366T68-904-bolt3999294.427T68-844-bolt100511074544-bolt, Bowtie, MkIV, 9.8" deck, siamesed bores, 4.25" semi-finished bores, can be bored to 4.50"10069282366T90-914-bolt, Mark IV, Tall deck10069284427T..4-bolt, Mark IV, Tall deck10069286454.90-914-bolt, Mark IV, Short deck10114182454.91-up4-bolt, Gen.V10114183366T91-up4-bolt, Gen.V10114184427T91-up4-bolt, Gen.V10134366454T..4-bolt, Bowtie, Gen.V, Tall deck101850504544-bolt, Bowtie, Gen.V, Short deck10237297454.96-up4-bolt, Vortec 7400", "L-29" Gen.VI10237299427T96-up4-bolt, Gen.VI, 7.0L, truck10237300502.96-up4-bolt, Gen.VI, 4.466" bore12550312427T96-up4-bolt, Gen.VI, 4.250" bore, fuel pump boss, clutch linkage pivot boss12550313454.91-up4-bolt, Gen.V crate motor, Gen. VI 4.25" bare block, fuel pump boss12556110496.01-up4-bolt, Gen.VII 8.1L, "Vortec 8100", Truck12561357454.96-up4-bolt, Gen.VI125613585024-bolt, Gen. VI14015443454.87-902 or 4-bolt, Mark IV, Truck, Motorhome14015445454.78-902 or 4 bolt14044807454T..4-bolt, Bowtie, MkIV, CNC prep, Tall deck, 4.25" bore or 4.495" bores, 191659554541996-2001 L29140968595024-bolt, Gen.V, HO245025044544-bolt, Bowtie, Gen.V, Race prep, 9.8 "short" deck height24502506454T..4-bolt, Bowtie, Gen.V, Race prep, 10.2 "tall" deck height245025724-bolt, 4.5" bore Olds DRCE 2, 9.5" deck height255344024-bolt, 4.590" bore Olds DRCE 3, 9.25" deck height. E.g. Camshafts are stamped by the manufacturers as a means of identification. Analog system. BBC Cylinder Head Casting Numbers RECTANGULAR PORT - Valve size 2.19 intake, 1.88 exhaust IP = Intake runner volume OVAL PORT - Valve size 2.06 intake, 1.72 exhaust BBC Camshaft Part Numbers Note 1: 80 deg overlap, 396 375hp L-78/L-89, 427 425/435hp L-71/L-72, 454 450hp LS-6, HP streetof engines we now know as Small Block Chevys. The ID number will consist of either eight or nine digits; the last four numbers identify the cam and its specific application. indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. In this case: 108 + 116 = 224 degrees / 2 = 112 degrees. The LS engine is designated 54 and this number is generally the first two numbers that define the actual cam part number. A good camshaft cannot be underrated, so you need it to make your engine function well. The chevy part number for that cam is 3896929. Chevy . Trying to find the specs on this camshaft. And there is a CR inscribed as well off the lower left 330864: 1968 through 1991 oval port, open chamber, 2.06 in. Does OnStar Keep Location History? The car came with the two cams you identified above, Stored in cardboard tubes, With the #5054 & date 1971 stamped on tubes. Crane makes Blueprint camshafts for almost, if not, every GM, Ford, Mopar engine from the sixties and seventies. Stamped on end is Z099, also has three pink dots above that stamping. In 1970, it was the cam for the 307/200hp; 350/250hp, 300hp; and 400/265hp. It is 8 figured random numbers and sometimes 9 figures with the last 4 numbers identifying the specific function of the Cam Shaft. Thanks, Your email address will not be published. I dont have any numbers. Re: camshaft identification. The GM tube has the ID number as 3863151 which correlates to a L79 Cam however the stamping at the end is 920883. All of these applications had the same specs as the initial 1967 application. . How Long Does it Take Transmission Fluid to Circulate? Their outer look tells the difference. with Jeff Smith: How to Decode a COMP Cams Smith: First of all, the CC refers to COMP Cams. Understanding Cam Design. $426.78. side, aluminum1023990296-up350.Gen.II LT4, aluminum, reverse flow cooling, 195cc port, 54.4cc chamber, angle plug1023990696-up350."Vortec 5700", "L31", 64cc chamber, 170cc intake port, 1.94"/1.5" valves1236771299-up."Fast Burn", aluminum, 210cc intake,port, 2.00/1.55 valves, 62cc chamber1236771399-up."Fast Burn" used on ZZ430 crate motor, aluminum, 210cc intake port, 2.00/1.55 valves, 62cc chamber124800052000..LS1 "GTZ", aluminum, 38cc, 2.125"/1.625" valves, angle plug1248001197-up.Bowtie "SB2.2", aluminum, 2nd version of "SB2", 48cc chambers, "mirror ports", revised valve angles & plug location1250645087-953501250985987-943051251685287-953501252974295-96265.Gen.II, "L99", cast iron1255156196350.Gen.II, "LT1", aluminum1255252097-up305.Vortec, truck1255429094-96350.Gen.II, "LT1", cast iron version, used on "9C1" Police package, Impala SS, Cadillac Fleetwood, Buick Roadmaster reverse flow cooling1255429195-96265.Gen.II, "L99", cast iron1255569096350.Gen.II, "LT4", aluminum1255674399325.Gen.III, 5.3L, aluminum, truck, van1255805997305.Vortec, truck, 1.84"/1.5" valves1255806298350.L31 Vortec, truck, 64cc chambers, 1.94/1.5, 170cc intake port1255880697-98350.Gen.III, "LS1", aluminum, 68cc1255985399-up350.Gen.III, "LS1", aluminum, 68cc1255986299-00.Gen.III, aluminum 4.8/5.3L1255989500-up325.Gen.III, aluminum, Vortec 5.3L1256170601-04.Gen.III, 5.3L, aluminum1256187399-01364.Gen.III, 71cc, iron1256231701-04364.Gen.III, 71cc, aluminum1256424100-up350.Gen.III, "LS1", aluminum, 68cc1256424301-up350/364Gen.III, "LS6", "LS2", aluminum1257203501-04364.Gen.III, 6.0L, aluminum, 71cc1400885679-812671401020182-8530514011034Bowtie, cast iron, 64cc chambers, 184cc port volume, angle plug, "Phase II" head14011049Bowtie, aluminum, 55cc chambers, angle plug, 180cc ports, "Phase 6"1401108355-86350.Crate motor for years indicated. Each number has a meaning and an interpretation. . Now he serves as a regular contributor to OnAllCylinders. They minimize friction, which ensures the camshaft contains more power. That gives us our first clue where to look for the rest of the numbers. There are two easy ways: 1. Is there any way anyone could hp me out? Once we found the hydraulic roller section, the first column lists each lobe by number. (Yes or No). If you happen to misplace your card, most cam companies now list all off-the-shelf cam cards on their website that you can easily print out. For as simple as this product appears, it is actually a very complicated piece of engineering if you study it closely. Since 2003, Jeff has held various positions at Car Craft (including editor), has written books on small block Chevy performance, and even cultivated an impressive collection of 1965 and 1966 Chevelles. Old school Comp 9000 Mallory Distributor and coil. order on 8.1L big block engines is different than a normal big block. Camshafts come in a wide array of variations, and Chevrolet has a range of camshafts for different applications, engine sizes and performance specs. The HR refers to this as a hydraulic roller camshaft while the 114 refers to the lobe separation angle (LSA). The 4 digit ID on the camshaft core is 1529, which if correct I believe is for a 327 engine. Are you a newbie in dealing with cars and you seem not to know how useful a camshaft is and what is used for? In this case, we dont know what the opening and closing points are although you could compare the intake lobe points to an off-the-shelf XFI RPM Hi-Lift cam and probably be pretty close. Contact. The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). On the outside there is a Carter AFB 9637 (625CFM) sitting on an Edelbrock manifold. I purchased a used hydraulic roller camshaft from a friend that was originally used in an LS1 engine. On the home page, we looked for the Information tab and then clicked on Catalogs. This will give you the intake centerline. Now zero the indicator and turn the engine backward until the dial indicator reads roughly 0.100-inch. I have more than 4 Camaro's am I Addicted? Under that heading toward the bottom we found a tab for the Cam Lobe Master Catalog. In 1973, it was the cam for the 307/115hp; 350/145hp, 175hp, 190hp; and 400/150hp. They are not so much of the speeding type. The duration at lash point in degrees (intake/exhaust) is 328/324; duration at .050" tappet lift (intake/exhaust) is 220/220; and . Specs @ 0.50 Cam Lift Opens Closes Duration SAE Specs@ (0.06/Rocker Arm Ratio) Cam Lift Opens Closes Duration Cam Lift Gross Valve Lift Center Line C/L Rocker Arm Ratio Valve Lash Clearance C-400-P INT. If you are looking for the actual Chevy engine codes that are stamped into the block during assembly, Nasty has an excellent block stamping number decoder. To be sincere, flat tappet just owns the name flat. Also there is a Blue dot just under the distributor drive gear. 1991 and later Gen.V, VI and VII production BBC motors have one-piece rear main crank seals. Small Block Casting numbers Use these casting numbers to identify the exhaust manifolds you have. On the shaft the #'s 1539 are stamped in one spot, and CWC is stamped in another spot. side, aluminum1011081091-up350.Gen. 1, 65cc chambers1012092887-953501012532094-96350.Gen.II LT1, cast iron version, used on "9C1" Police package, Impala SS, Cadillac Fleetwood, Buick Roadmaster reverse flow cooling 1012837492-up350.Gen.II LT1, 53cc, angle plug, aluminum, reverse flow cooling, 175/68cc ports10134352Bowtie, 45cc, angle plug, "low" port, 223cc intake port,aluminum, 18' race head10134363NOTE: This casting # has been used in many different versions of this aluminum 18' and 15' Bowtie race head. The next two numbers are the valve lift of . Step 2 Locate the ID number on the camshaft. 52.01.07 Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. They include: The essence of knowing how to identify your camshaft makes it easy to avoid errors, unnecessary bills, and frustrations that come along with having the wrong camshaft. Only show this user. There are many numbers and terms used to describe the design of the camshaft and it's important to know how these numbers will affect the performance of your engine. We investigated a couple of our Comp off-the-shelf LS cams and found they were ground with 5 degrees of advance, but that is no guarantee that your camshaft is ground that way. Any help much appreciated. The exhaust number also comes through some time, maybe if you see digits like 266/288; the second shows the exhaust number. * 54-55 all 6 cyl except PG, 58 D-D 2 nd design,59 series 3, 60-62 series 10-30,60-61 fleetmaster exc. (You must log in or sign up to reply here. When referring to LSAs, the larger the number, the more degrees of separation between the intake and exhaust lobes. Anyone know whos cam this is. Any time you are making this kind of important decision about your engine, it's . With your cam it might come out to somewhere between 114 to 110 degrees depending on if the cam was machined with advance. If we didnt already know this was an LS cam, the first thing we would want to do is determine the engine family. It means the valve is open at 255 degrees. Quick View. The Chevy part number for that cam is 3896929. Knowing the measurement of a lobe separation angle is another special way of telling the difference between camshafts. Now turn the engine clockwise and stop at 0.050 on the opening side of max lift and record the degree wheel reading. That particular cam put my son's pump-gas 406" SB Chevelle to an 11.80 E.T. chef frank proto net worth,