gm camshaft identification numbers

On this cam card, you will see the LSA is 112 degrees. A native of New Haven, Conn., Floyd Drake III began writing in 1984. I have 3.55 geArs and a 3600 stall. Analog system. 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. I bought a 34 Ford pickup with a 302 installed. The only thing we dont know from these number is the cams intake centerline. 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. The LS . Under that heading toward the bottom we found a tab for the Cam Lobe Master Catalog. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. 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. In 1971 he installed a 1965 Corvette fuel injection system. I actually went through several lists and made some corrections before making this list. They provide average torque to the valves. Crane makes Blueprint camshafts for almost, if not, every GM, Ford, Mopar engine from the sixties and seventies. i have some stamps on the cam that i can see EP236 and CWC can these be used to idetify the cam. We have a hint because if a camshaft if ground with no added advance, the intake lobe centerline will be the same number as the LSA114 degrees After Top Dead Center (ATDC). A roller camshaft has its wheel attached to the bottom of the lifters body. We compared these specs to the catalog and because there is no list number on the end of the cam, we will assume this was a custom-ground camshaft. CAM 6964 1969 CAMSHAFT ID. **Due to the COVID-19 pandemic a large number of products are on backorder and shipping times are longer then usual. You can basically find it in the center of the cam between the lobes. ). Speed isnt a problem with a dual camshaft and it increases the engines power. In 1973, it was the cam for the 307/115hp; 350/145hp, 175hp, 190hp; and 400/150hp. Your camshaft is important; your engine isnt meaningful without the contribution of the Camshaft. $850.12. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. DOHC is a production to improve the volumetric of the internal combustion engine in which it has more power than a simple overhead cam. However, remember what to do after replacing your camshaft sensor in your car to avoid another frustration. 4485B 4391B HR112+4 R (with a line under the R ) then CC and at the bottom G1979-14. If you are confused as to which cam you should buy for your beast, Crane has you covered. Lift of tested lobe could be .300" before wear. The Vehicle's Service Parts Identification Label Will Have The VIN Digit and Engine RPO Code (Circled) To Confirm Engine Application Gen III LS Engine Car Applications 1997 to 2004 Corvette, 1998 to 2002 Camaro & Firebird, 2004 GTO: 5.7L LS1 2001-2004 Corvette, 2004-2005 Cadillac CTS-V: 5.7L LS6 Gen III LS Engine Truck Applications: I can quote you the numbers from the 1964 "Parts and Accessories Catalog" but, be aware that earlier numbers may exist and be superseded by the ones listed in this catalog. In the catalog, you will see the cams listed by configuration starting with flat tappet hydraulics and then hydraulic rollerswhich is what we want. 1 BTC 42 ABC 223 30 BTC 80 ABC 290 .298 .447 114 1.5 HYD EXH. Thank you, if you can help, send me an e mail and I will send you a picture. The lobes are also listed with various theoretical valve liftsthe one were interested in would be the LS1s 1.7:1 rocker ratio that delivers 0.558-inch of lift. Understanding Cam Design. Could someone help me identify these cam numbers ? I hope it helps you identify the Chevrolet engine parts you are working on. I have a fessler roller cam trying to identify the grind specs. They include: Identifying with your eye. Chevy LSX454 Camshaft. The ID number will consist of either eight or nine digits; the last four numbers identify the cam and its specific application. Chevy Cam Part Number Location Chevrolet Big Block Camshaft Types Chevrolet installed Three different types of Camshafts on the Big Block Engines. The radiator, hoses, timing assembly, belts and fan will need to be removed to access the camshaft. That particular cam put my son's pump-gas 406" SB Chevelle to an 11.80 E.T. If I rotate the camshaft the other side has markings of AO, D14. Privacy Policy. That gives us our first clue where to look for the rest of the numbers. .390 .410 310 320 1.50 In 1968, it was the cam for the 307/200hp; 327/210hp, 250hp, 275hp, 300hp; and 350/295hp. Can a Bad Battery Cause a Check Engine Light to Come On? It is an eight or nine-digit number. If the number was 110 degrees, this would increase the amount of overlap. They dont add to the function of the camshaft itself. Quick View. There are two easy ways: 1. The Fora platform includes forum software by XenForo. This is a job for professionals and the mechanically-inclined. Looking for 4311-4314-r106 Q 7388-04 CAN ANYONE TELL ME WHERE I CAN LOOK THE SPECS UP! Hey. Thank you in advance, Gday mate trying to decipher this comp cam to no avail, # 2-018b 1295 3106-rb 046987 any help on duration and lift lobe centre and rev range would be greatly appreciated. Thanks, Your email address will not be published. Knowing the measurement of a lobe separation angle is another special way of telling the difference between camshafts. Despite the differences, however, an 8.1L camshaft will drop right into a 454 like it belongs there - but it will only run four cylinders. The car came with the two cams you identified above, Stored in cardboard tubes, With the #5054 & date 1971 stamped on tubes. You can make a sure bet by just selecting randomly but your engine life will be in big problem. While these engines were based on the GM Family II engine, the architecture was substantially re-engineered for the new Ecotec application produced since 2000. There are 3 different ways to select your camshaft tightly. After graduating from Iowa State University with a journalism degree in 1978, he combined his two passions: cars and writing. 52.01.07 You need the best camshaft that works well with your vehicle. * 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. The Fora platform includes forum software by XenForo. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Any advice? Mon to Fri: 8am - 5pm CDT; Gandrud Chevrolet 919 Auto Plaza Dr. Green Bay, WI 54302; Sales: 888.284.7491 performance@gandrud.com; Contact Us; Connect With Us All of these applications had the same specs as the initial 1967 application. Any way to to determine the type of cam from the outside? Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. My buddy says its a mild cam thats bigger than a stock LS6 version, but he didnt have any more information. A stamp is not a functioning part of a camshaft. Do not enter the -2 on dual cams part numbers or the (I) that indicates intake or (E) for exhaust. journal.3.00" stroke3876768.283.forged..small journal.3.00" stroke3884577.327.forged..small journal.3.25" stroke3892690.350.forged..medium journal3.48" stroke3911001.307,327cast.medium journal3.25" stroke3911011.307,327cast.medium journal3.25" stroke3914672.327.forged..medium journal3.25" stroke3923279.302.forged..medium journal3.00" stroke3932442..267,305,350..castmedium journal3.48" stroke3941174.307,327cast.medium journal3.25" stroke3941178.302.forged..medium journal3.00" stroke3941182.350.forged..medium journal3.48" stroke3941188.350.forged..medium journal3.48" stroke3949847.283..forged or cast..sm. 0967 is the last four digits of the GM part number. No smoke, but I have not checked compression yet. Does OnStar Keep Location History? I have a 1969 z28 I bought a few years back from a friend who was orig owner. The model prefix is the first part of the camshaft number, and it describes the vehicle that the camshaft is meant for. Camshafts come in a wide array of variations, and Chevrolet has a range of camshafts for different applications, engine sizes and performance specs. At one time they supplied 85% of the blanks in the world. The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. The numbers engraved in the body part of the camshaft are called the Stamped number or casting number. 4226 what kind of camshaft is it. Cam is in used shape but with little to no wear. The 4 digit ID on the camshaft core is 1529, which if correct I believe is for a 327 engine. With this intake lobe: 0.328 x 1.7 = 0.5576-inch, which COMProunds off to 0.558-inch. The HI-PO color coded stripes on the camshaft end are green, orange and red. The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). Carb number is stamped in this location as well as on an identification tag held on with one of the air . We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. The next two numbers are the valve lift of . *54-55 passenger W/PG, 56-58 passenger. One of the primary differences between the GM GEN 3 and 4 ECMs are how they estimate airflow using VE Tables. While a simple call to the COMP Cams CAM HELP tech line (1-800-999-0853) and short discussion with one of the highly informed tech line personnel will always get you the right answers, having a little personal knowledge on the topic is always a good idea. If you have ever heard that the new style 235 gets better compression numbers with an "848" Head, look for the last three numbers of that Casting Number. It doesn't indicate a different cam or an earlier or later version. JavaScript is disabled. intake and 1.72 in. Discussion in 'The Hokey Ass Message Board' started by indestructableforce, Nov 13, 2012. There are other camshafts that can be viewed in this category, they include: SOHC means simple overhead cam. Hope weve helped you with a little more camshaft knowledge. With your cam it might come out to somewhere between 114 to 110 degrees depending on if the cam was machined with advance. To Develop Good Eye Habits While Driving You Should? I was given a can that has the #s I purchased a used hydraulic roller camshaft from a friend that was originally used in an LS1 engine. 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. This card reveals the basic information you need to identify, properly install, and degree the camshaft in the engine. Learn more about: Cookie Policy, Will a 50 Inch TV Fit in my Car? i have a 383 chev engine ibought and would like to know what cam is in it. 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. All of these applications had the same specs as the initial 1967 application. 2. 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. To obtain specifications on a Crower cam please enter the part number (00242, 15210, etc) or custom work order number (E23456, A7890, etc) located on the end of the camshaft. (adsbygoogle = window.adsbygoogle || []).push({}); AutomobTips is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com, Copyright 2022 - AUTOMOBTIPS | Auto Blog, Our website uses cookies to improve your experience. The LEA is an engine produced by General Motors for a wide variety of compact and midsize vehicles. Can I Drive my Mercedes With Check Engine Light On? Step 2 Locate the ID number on the camshaft. Information is premium and can save you from errors and spending excessively. (Yes or No). The Chevy part number for that cam is 3896929. Anyone know whos cam this is. Does Your License and Registration Address Have to Match? A pushrod is a metal tube constructed to transfer the valve motion of a lifter riding on the camshaft directly to the value. These numbers only describe the functions or tell the specifics of each product. Thank, Ray. I am partially colorblind so they may be sort of tanish as well. 14010280 Small Block V8 1979-1982 267, 2 bolt 14011064 Small Block V8 1983 350, 4 bolt 14011148 Small Block V8 1987-1989 350, roller cam, 1-piece rear seal 14016376 Small Block V8 1979-1982 267, 2 bolt 14016379 Small Block V8 1977-1979 350, 2 bolt or 4 bolt 14016381 Small Block V8 1980-1984 305, 2 bolt 14016382 Small Block V8 1979-1984 305, 2 bolt Getting a camshaft can be a burden on many car owners; it works well when you have the right one. indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. Retired GM employee, John Hinckley, an NCRS Master Judge, explains the one number . These markings will usually be in the center of the camshaft, obviously in between the valve lobes. A good camshaft cannot be underrated, so you need it to make your engine function well. Chevy V8 Casting Number Locations. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. 1954-1955 235 Engine 3835913; 1956-1962 235 Engine 3836848; 1956-1962 261 Engine 3836850 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 .

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