[] Ask Away! Chevy Block Casting Numbers: Full List and Lookup - Chevy Geek - AFE Can You Register a Car in a Different Name than on the Title? motor could have casting number 10112391 or 10112391S that is the service replacement. Chevy V8 BBC Block and Head Casting Numbers. This number should be on your camshaft, followed by a number of degrees. GM used a forged crankshaft, oil-spray cooled Hypereutectic pistons, and a hydraulic roller camshaft made to handle boost. I have Comp Cams camshaft. 210/218 at 0.551/0.556 at 113 degrees . How Long Does it Take for Oil to Drain Back into the Pan? It is typically located in the center of the cam between the lobes. The Fora platform includes forum software by XenForo. This figure is derived by adding the intake center line plus the exhaust center line and dividing by two. Answer (1 of 4): Most common specs for an engine would be for example. Crower's cam specifications and printable cam card finder Also a great fitting cam for the earlier 302 or 327 Solid lifter Hi-Po motors used by Corvette, Nova or Camaro. Drivetrain: '95 T56, pro 5.0 shifter, hayes clutch, Stock 10 bolt with 3.42's SMALL-BLOCK CAMSHAFTS AND COMPONENTS - Chevrolet Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! There are 3 different ways to select your camshaft tightly. Drake studied journalism at Southern Connecticut State University. A roller camshaft has the valve opened faster and remains at a higher lift for a certain time; it allows more airflow and more power, which reduces wear. (396 BBC), Is this enough information to get the specs on this cam? Small Block Casting numbers Use these casting numbers to identify the exhaust manifolds you have. CAMSHAFT SPECIFICATIONS Part No. Below is some reference data for cylinder head casting numbers with valve sizes, years used, etc. Thanks, Mike. I have a cam trying to set startup timeing hr112 intake hyd .555 ext .576 duration .006 valve tapping lift 287 in 293 ex valve timing .050 open int 10 close btdc46 abdc exh :57 BBdc 5 ATC. 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. Four or six-cylinder can be attached to the valves. The cam is in very good used condition and will likely be reused. Which cam are you refering to that helped your son achieve 11.80? First Generation Camaro Info and Tech - 1967-1969. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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. Do You Get a Ticket in the Mail for Passing a School Bus? The Fora platform includes forum software by XenForo. Thank, Ray. 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. 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. In this case: 108 + 116 = 224 degrees / 2 = 112 degrees. There are other camshafts that can be viewed in this category, they include: SOHC means simple overhead cam. Now turn the engine clockwise and stop at 0.050 on the opening side of max lift and record the degree wheel reading. 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. 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. A good understanding of these factors will assist you in making a wise decision. This is the COMPCams equivalent of the Rosetta stone for cam lobes. Camshafts: GM Performance Motor GEN III vs GEN IV. It is a mode of identification used by manufacturers. * 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. How Long Does it Take to Replace a Catalytic Converter? side, aluminum1017439091-95350.LT5, ZR1, DOHC, 32-valve, pass. I have verified this information with a degree wheel and a dial indicator, 300 degrees @ 0.006 lift, 250 degrees @ 0.050 lift, lift is 0.266 or 0.399 at valve, and LSA of 11.5. 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. 1963 Chevrolet Corvette L75 327ci 4 SPD RESTORATION order on 8.1L big block engines is different than a normal big block. There are at least 6 different versions as of 11/99. Inc. Lee's Summit MO. Does OnStar Keep Location History? It is an eight or nine-digit number. side, aluminum1022512295350.LT5, ZR1, DOHC, 32-valve, pass. I have a cam I need to Id I need the specs and if its a solid or hydraulic its a ua9450 a4250h11 can someone help me with this I am building this junk yard over night Grease monkey maid 10/4 I need it if possible, I have a bbf429 numbers on rear of cam359356 can you tell me what cam I have. The greater number of degrees means there is less overlap between the intake and exhaust lobes. It's for a 99-04 truck. I have a 1969 z28 I bought a few years back from a friend who was orig owner. How to Identify a Camshaft by Number | It Still Runs I have a Street Performance comp cam that was purchased in 2007. 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. In 1975, it was the cam for the 350/145hp, 155hp, 165hp; and 400/175hp. Add the two numbers together and divide by 2. ZL-1, Mark IV3946053.427.97-up4-bolt, Alum. The recall affects several models of heavy duty Chevrolet Silverados and GMC Sierras with optional engine block heaters. A native of New Haven, Conn., Floyd Drake III began writing in 1984. Camshaft Identification - LS1TECH - Camaro and Firebird Forum Discussion (Yes or No). Hope weve helped you with a little more camshaft knowledge. ** Free Shipping for Engines & Transmissions* Learn More; 0; 888.284.7491 . Understanding Cam Design. 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. I actually went through several lists and made some corrections before making this list. 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 Your email address will not be published. Need help Identifying CWC Camshaft | Team Chevelle The only stamped markings on the front are 951758. 49 BBC -6 ATC 223 78 BBC 32 ATC 290 .298 .447 . The engine needs to function by opening the valve with the help of the camshaft. On the shaft the #'s 1539 are stamped in one spot, and CWC is stamped in another spot. 4485B 4391B HR112+4 R (with a line under the R ) then CC and at the bottom G1979-14. .390 .410 310 320 1.50 in 1968, it was the cam for the 307/200hp; 327/210hp, 250hp, 275hp, 300hp; and 350/295hp. Stamp numbers are engraved by the manufacturers to monitor production and distribution. A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. In 1974, it was the cam for the 350/145hp, 185hp, 195hp; and 400/150hp, 180hp. Any info helps, or where I can find. This is a COMP Cams timing card. The radiator, hoses, timing assembly, belts and fan will need to be removed to access the camshaft. It's a used cam and it has this barcode on it. Small Block Casting numbers Big Block Crankshaft Cylinder Head ID Use these casting numbers to identify the heads you have. You can make a sure bet by just selecting randomly but your engine life will be in big problem. exhaust valves. This hydraulic flat tappet "454" is a good street high-performance and marine cam used in the Gen V 454 H.O. . Different chamber volumes, port volumes, port locations, valve sizes, etc. I have a fessler roller cam trying to identify the grind specs. The HI-PO color coded stripes on the camshaft end are green, orange and red. Thank you ,This has been very helpful. The duration at lash point in degrees (intake/exhaust) is 328/324; duration at .050" tappet lift (intake/exhaust) is 220/220; and . I purchased a used hydraulic roller camshaft from a friend that was originally used in an LS1 engine. 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. How to Turn off Daytime Running Lights (Explained), How to Turn Off Headlights While Car is Running. Terms of Service. Chevy Intake Manifolds Don't forget to follow us on Facebook, and if you run a website or write for a blog, please link to our site! Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. 366298.4Bowtie, Aluminum, billet main caps, 3.398" bore with sleeves, two piece rear main seal. However, remember what to do after replacing your camshaft sensor in your car to avoid another frustration. The first three-digit number shows the average duration time of the lobes. The Chevy part number for that cam is 3896929. In 1973, it was the cam for the 307/115hp; 350/145hp, 175hp, 190hp; and 400/150hp. 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. 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. A good camshaft cannot be underrated, so you need it to make your engine function well. Quick View.
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