gm camshaft identification numbers gm camshaft identification numbers

CAM 6930 1967 CAMSHAFT ID. Now turn the engine clockwise and stop at 0.050 on the opening side of max lift and record the degree wheel reading. The LEA is an engine produced by General Motors for a wide variety of compact and midsize vehicles. Good Day: JavaScript is disabled. If the number was 110 degrees, this would increase the amount of overlap. All of these applications had the same specs as the initial 1967 application. Quick View. I'll post up a pic as well. Roller: 202/206 .403"/.415" I was pretty careful with the float settings etc and it fired right up when put back on! 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. Your email address will not be published. The Fora platform includes forum software by XenForo. 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. Carb number is stamped in this location as well as on an identification tag held on with one of the air . (See below.) Any help much appreciated. Hey. Small Block Crankshaft Casting Numbers Lookup Type your crankshaft casting number in the SEARCH BOX below. Answer (1 of 4): Most common specs for an engine would be for example. were used. The block casting number on smallblock and big block Chevy V-8 motors is located on a ledge found at the rear of the block, most often on the driver's side. On other cams Ive looked at, they just list the part number which is easy to look up, but this cam has a bunch of numbers I dont recognize. For instance, the number for a Toyota 3SGE would be CS 3SGE. Retired GM employee, John Hinckley, an NCRS Master Judge, explains the one number . I did a search as well, google and on here. For the intake centerline method, once the cam is installed and TDC is established on the degree wheel, then roll the cam around until the dial indicator signals maximum lift. 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. Quick View. (Yes or No). VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. There are 3 different ways to select your camshaft tightly. The pushrods cam stays above the cylinder, which is always above the combustion chamber. That number is actually the casting number of the camshaft, not the part number. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. diameter Other examples include small block Chevys -12, big block Chevys -11, and 5.0L small block Fords -35. A pushrod is a metal tube constructed to transfer the valve motion of a lifter riding on the camshaft directly to the value. This card reveals the basic information you need to identify, properly install, and degree the camshaft in the engine. The easiest way to get the best is to check the numbers in between the lobes or boxes. . The car has all orig drive train, Except for fuel injection and headers. Required fields are marked *. I only put the numbers here that I can prove, so this is a short list. It is a mode of identification used by manufacturers. $850.12. Installing a Timing Belt on Ford Ranger chevrolet image by Eduard Shelesnjak from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. 2. I have a Street Performance comp cam that was purchased in 2007. however, depending on how you want to look at it. It helps you know the compatibility of the camshaft to the supposed vehicle you want to use it for. It's a 10168588 casting that had the numbers "4.3" cast on the side, too. Small Block Casting numbers Use these casting numbers to identify the exhaust manifolds you have. Stamped numbers are 529506 and 031531. Inc. Lee's Summit MO. Because the camshaft orchestrates the entire valve system, your Chevy won't run properly without it. side, aluminum1022512295350.LT5, ZR1, DOHC, 32-valve, pass. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. To be sincere, flat tappet just owns the name flat. Any time you are making this kind of important decision about your engine, it's . i have some stamps on the cam that i can see EP236 and CWC can these be used to idetify the cam. Sept. 2019 Drag-Week Winner - N.Y. Legal Streeter - 1956 Chevy Bel-Air, http://www.msnusers.com/Chrisjunque/shoebox.msnw?action=ShowPhoto&PhotoID=2. Compare Related Articles. 366298.4Bowtie, Aluminum, billet main caps, 3.398" bore with sleeves, two piece rear main seal. Hi, I have a cam that trying to figure out the specs on. The 4 digit ID on the camshaft core is 1529, which if correct I believe is for a 327 engine. In 1973, it was the cam for the 307/115hp; 350/145hp, 175hp, 190hp; and 400/150hp. Can a Bad Battery Cause a Check Engine Light to Come On? Small Block Chevy Factory Camshafts . Can Jumpstarting a Car Damage the Alternator? All of these applications had the same specs as the initial 1967 application. Cam is in used shape but with little to no wear. The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. Match the number to a Chevrolet camshaft part number listing. This advances the intake centerline by that number of degrees. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. On the shaft the #'s 1539 are stamped in one spot, and CWC is stamped in another spot. After graduating from Iowa State University with a journalism degree in 1978, he combined his two passions: cars and writing. They appear to be a rock arms with a small diameter. Communication Number: ServiceManual Trucks Group36 VehicleElectronicControlUnit(MID144)DiagnosticTrouble Code(DTC),Guide Frombuilddate1.2007 PV776-88948891that a fault has occurred by illumination a malfunction indicator lamp and a message in the driver information display, if equipped. 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. Anyone have any idea what make and specs are of this cam? A camshaft is a rotating object in a vehicle with pointed cams in which its rotations produce reciprocal motion. It's for a 99-04 truck. 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. In 1971 he installed a 1965 Corvette fuel injection system. I have Comp Cams camshaft. GM used a forged crankshaft, oil-spray cooled Hypereutectic pistons, and a hydraulic roller camshaft made to handle boost. They dont add to the function of the camshaft itself. GM was looking for a more powerful engine for the CTS-V and ZL1 Camaros. A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Is there any way anyone could hp me out? DOHC is a production to improve the volumetric of the internal combustion engine in which it has more power than a simple overhead cam. If we didnt already know this was an LS cam, the first thing we would want to do is determine the engine family. Apr 13, 2014 Yeah, it has CR 760 stamped on the back, and then a date under it. A good understanding of these factors will assist you in making a wise decision. The chevy part number for that cam is 3896929. 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. 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. For instance, the Duntov cam has a GM part number 3736097 but cast into the camshaft is the number 3736098. 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. the 4.3L LT1 was also referred to as the L99 (not to be confused with the LS variant bearing the same name) It's real easy to spot if the heads are off because of the small 3.74" bore. **Due to the COVID-19 pandemic a large number of products are on backorder and shipping times are longer then usual. How Long Does it Take to Replace a Catalytic Converter? 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. Manufacturer Part Number. Chevy LSX454 Camshaft. By visual inspection. Oct 8, 2010 #2 Z z28rod Veteran Member Apr 30, 2009 4,472 hopewell junction,ny The LS . Can I Sell a Car if the Title is not in my Name? 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. It has a taper inside the lobe which ensures the lifter can spin. Melling listings include OEM applications to match the engine requirements desired including horsepower, economy and needed engine torque. They provide average torque to the valves. Thanks, Gary in N.Y. P.S. journal3.00" stroke3951130.327.forged..medium journal3.25" stroke3951529.400.cast.large journal.3.75" stroke, 10168568265.cast.medium journal3.00" stroke12552215364.cast.medium journal3.62" stroke, Gen. III, 6.0L12552216325,350,364.cast.medium journal3.62" stroke, Gen. III 5.7L LS1, 5.3L, 6.0L12553312293.cast.medium journal, 3.27" stroke, Gen. III, 4.8L12553482293.cast.medium journal, 3.27" stroke, Gen. III, 4.8L14088526305,350cast.medium journal3.48" stroke14088532350.forged..medium journal3.48" stroke14088535305,350cast.medium journal3.48" stroke14088552350.forged..medium journal3.48" strokeZR1, "LT5", 350 DOHC, 10106122350.forged..large 2.76" journal3.66"stroke, BBC TWO PIECE REAR MAIN OIL SEALS 3.76" STROKE used on '65-'90 Mark IV 366T, 396, 402, 427 or 427T, 6223.396,402,427forged, 1053 steel 7115.396,402,427forged, nitrided, cross-drilled, 5140 steel3804816.396,402,427cast3856223.396forged3863114.4023863144.396,4023874874.396,4023879621.427forged3882841.396forged, cross drilled, nitrided3882842.427forged, cross drilled, nitrided3882847.3882848.3882849.427forged3887114.396forged, nitrided, 5140 steel3904815.396,402cast, nodular iron3941180.3942411.3965746.semi finished, forged3993804.raw, 5140 steel, BBC ONE PIECE REAR MAIN OIL SEAL 3.76" STROKE used on '91-up Gen.V and Gen. VI 366T, 427T, 10114186427Tforged, 1053 steel10114187366Tcast10114189427Tcast, TWO PIECE REAR MAIN OIL SEALS 4.00" STROKE used on '70-90 Mark IV 454 or Mark IV 502, 3520.454forged, cross-drilled, 1053 steel3521.454, 502forged, cross-drilled, 5140 steel3524.454forged7416.454, 502forged, cross-drilled, 1053 steel7463.454forged336782..454cast353039..454cast353638..454359730..4543962523.454forged3963523.4543963524.454forged3967416.454forged3967463.454forged3975945.4543963521.454forged, cross drilled, 5140 steel3965753.semi finished, forged, 5140 steel3975495.4543993878.454forged10051169454forged raw casting, ONE PIECE REAR MAIN OIL SEAL 4.00" STROKE used on '91-up Gen.V and VI 454 or 502, 10114188454cast14097044454,502..forged, 1053 steel, 3732692348forged3.25" stroke3733223348forged3.25" stroke3733226348forged3.25" stroke3741640348forged3.25" stroke3741642348forged3.25" stroke3788072409forged3.50" stroke3795589409forged3.50" stroke3824553348forged3.25" stroke3829027409forged3.50" stroke, 3837466409,427 "Z11"forged3.65" stroke3838416409forged3.50" stroke, CASTING#..SIZEYEARMAIN CAP BOLTS.NOTES, 140029..35080-842330817..40072-802355909..262..75.2355909..30576-792360851..26275-762Monza V-8361979..30577-792 or 4, some Canadian assembled heavy duty blocks have 4-bolt main caps, 366245..35078-794Bowtie366286.4Bowtie, siamesed, straight nodular iron main caps, 2-piece seal, 4.00-4.150" bores, 2.45" main journals. Can you guys help me pick a cam and fix my combo? Discussion in 'The Hokey Ass Message Board' started by indestructableforce, Nov 13, 2012. I hope it helps you identify the Chevrolet engine parts you are working on. The LS engine is designated 54 and this number is generally the first two numbers that define the actual cam part number. E 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. i have a hr8ty 3050s/305is y7379 cc 212203 2811 out of a 1999 360 dodge magnum i cannot get any info on lift duration or center line also has cc letters asume comp cam ? Stamped on end is Z099, also has three pink dots above that stamping. After working as a reporter in Oregon, he is now based back home in New Haven.