Then do the same process with the lobe at 0.050 on the closing side. Inc. Lee's Summit MO. 366298.4Bowtie, Aluminum, billet main caps, 3.398" bore with sleeves, two piece rear main seal. In 1970, it was the cam for the 307/200hp; 350/250hp, 300hp; and 400/265hp. In this case: 108 + 116 = 224 degrees / 2 = 112 degrees. .390 .410 310 320 1.50 in 1968, it was the cam for the 307/200hp; 327/210hp, 250hp, 275hp, 300hp; and 350/295hp. Which cam are you refering to that helped your son achieve 11.80? You can basically find it in the center of the cam between the lobes. The GM Generation I and Generation II (LT) engine families are both derived from the longstanding Chevrolet small block V8.The Generation III small-block V8 was a "clean sheet" design, which replaced the Gen I and Gen II engine families in 2002 and 1995 respectively.. Like the previous two generations, the Buick and Oldsmobile small blocks, the Gen III/IV can be found in many different brands. The recall affects several models of heavy duty Chevrolet Silverados and GMC Sierras with optional engine block heaters. This is the COMPCams equivalent of the Rosetta stone for cam lobes. Jeff Smith: First of all, the CC refers to COMP Cams. 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. I'll post up a pic as well. 25-12. Their outer look tells the difference. The only stamped markings on the front are 951758. side, aluminum1017439091-95350.LT5, ZR1, DOHC, 32-valve, pass. Does Your License and Registration Address Have to Match? ** Free Shipping for Engines & Transmissions* Learn More; 0; 888.284.7491 . For a better experience, please enable JavaScript in your browser before proceeding. Car AC Compressor Not Turning On (Causes and Quick Fix). JavaScript is disabled. If the number was 110 degrees, this would increase the amount of overlap. As each engine model comes with a specific camshaft, proper identification is key to finding the right one. Camshafts come in a wide array of variations, and Chevrolet has a range of camshafts for different applications, engine sizes and performance specs. From the distribute drive gear down are the folloing markings: CWC, 06, C14, EP1. GM 6930 , 6964 and 5054. Show entries Search: Showing 1 to 10 of 46 entries Previous Next Big Block Crankshaft Casting Numbers Lookup How Long Does it Take for Oil to Drain Back into the Pan? Information is premium and can save you from errors and spending excessively. i have removed camshaft welsh plug to see numberbut cant identify numbers help would be appricated.i nee to see what size converter i would need.numbers on cam end are z102 and also 14p. 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). Looks to have stock cast iron heads and exhaust. E Discussion in 'The Hokey Ass Message Board' started by indestructableforce, Nov 13, 2012. 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. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. That gives us our first clue where to look for the rest of the numbers. Run-out on. I suspect you have . My 1968 Camaro Site. The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). Thank you ,This has been very helpful. GEN III vs GEN IV. Roller: 202/206 .403"/.415" In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. Any info helps, or where I can find. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. If you want to know where the intake centerline is located, all you have to do is install the cam in the engine and then degree the cam. Canadian made ERTEL brand. How to Get a California Drivers License with an Out of State License, Can You Register a Car Online in Florida? Using stamped numbers and. * 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. Your email address will not be published. There are at least 6 different versions as of 11/99. A pushrod is a metal tube constructed to transfer the valve motion of a lifter riding on the camshaft directly to the value. To Develop Good Eye Habits While Driving You Should? The LS engine is designated 54 and this number is generally the first two numbers that define the actual cam part number. On this page you will be able to look up the original part numbers for 1958-1965 348 and 409 Chevy engine components such as Bell Housing, Carburetor, Camshaft, Crankshaft, Distributor, Generator/Alternators, Radiator Hoses and Starters. That number is actually the casting number of the camshaft, not the part number. The next two numbers are the valve lift of . no idea) and only pulls about 10psi vac at idle. Chevy V8 BBC Block and Head Casting Numbers. I did a search as well, google and on here. When referring to LSAs, the larger the number, the more degrees of separation between the intake and exhaust 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. i have removed camshaft welsh plug to see numberbut cant identify numbers help would be appricated.i nee to see what size converter i would need. You need the best camshaft that works well with your vehicle. **Due to the COVID-19 pandemic a large number of products are on backorder and shipping times are longer then usual. To be sincere, flat tappet just owns the name flat. This figure is derived by adding the intake center line plus the exhaust center line and dividing by two. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. Reading a Cam Card: Advance 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. The Chevy part number for that cam is 3896929. Step 2 Locate the ID number on the camshaft. 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. 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. Switching to Synthetic Oil After 100k Miles: Pros and Cons. What are your thoughts on the #5054 or anything else? side, aluminum1010617990350.LT5, ZR1, DOHC, 32-valve, drvs. 4485B 4391B HR112+4 R (with a line under the R ) then CC and at the bottom G1979-14. It is typically located in the center of the cam between the lobes. 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. CAM 6964 1969 CAMSHAFT ID. For online resources, check out NastyZ28.com, Kendrick-Auto.com or Chevy-Camaro.com which have detailed listings, or contact a Chevrolet parts department to identify the camshaft. This advances the intake centerline by that number of degrees. The identification number consists of a seven-to-eight digit code. Grind numbers are HR 224/339. Show More Show Less. There following are ways you can tell a difference: As the name implies, these sets of numbers reveal the model of the camshaft. In 1975, it was the cam for the 350/145hp, 155hp, 165hp; and 400/175hp. This will give you the intake centerline. p/n 12560967, .466/.457, 191/190, 114 LSA. With over 35 years of experience in automotive machining, you will not find a more trustworthy and reliable source of parts. 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. In 1975, it was the cam for the 350/145hp, 155hp, 165hp; and 400/175hp. (Yes or No). However, remember what to do after replacing your camshaft sensor in your car to avoid another frustration. Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. You need the measurement of the diameter to compare with the database or any online store IDs. After graduating from Iowa State University with a journalism degree in 1978, he combined his two passions: cars and writing. Also can i safely run the Xtreme Energy, XR294HR on my 383 Vortec 906 heads and screw studs ? Your camshaft is important; your engine isnt meaningful without the contribution of the Camshaft. The HI-PO color coded stripes on the camshaft end are green, orange and red. . This is a job for professionals and the mechanically-inclined. Casting numbers used on factory 366ci tall deck engines (some used on multiple engines): *ending 328: 1980 through 1991.