gm camshaft identification numbers
Melling listings include OEM applications to match the engine requirements desired including horsepower, economy and needed engine torque. 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. This will give you the intake centerline. I have Comp Cams camshaft. We would like to thank everyone that has contributed to the data provided on this site. [] Ask Away! 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 radiator, hoses, timing assembly, belts and fan will need to be removed to access the camshaft. item 7 1957-1963 Corvette Camshaft GM 3736098 Solid Lifter 283 Sp Hi Perf 327/340 360hp 1957-1963 Corvette Camshaft GM 3736098 Solid Lifter 283 Sp Hi Perf 327/340 360hp. 52.01.07 The pushrods cam stays above the cylinder, which is always above the combustion chamber. There are 3 different ways to select your camshaft tightly. Anyone know whos cam this is. Are you a newbie in dealing with cars and you seem not to know how useful a camshaft is and what is used for? All you have to do to determine valve lift is multiply the lobe lift times the rocker ratio. by Greenlight Mon Nov 10, 2014 6:56 pm. I have a fessler roller cam trying to identify the grind specs. On the shaft the #'s 1539 are stamped in one spot, and CWC is stamped in another spot. 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. The greater number of degrees means there is less overlap between the intake and exhaust lobes. They are not so much of the speeding type. Vortec truck, Gen.I crate motors and ZZ4, roller cam, one piece rear seal: 12550592 : 97-up : 350 : crossbolted block, Gen.III, LS1, aluminum: side, aluminum1017439091-95350.LT5, ZR1, DOHC, 32-valve, pass. 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. Old school Comp 9000 Mallory Distributor and coil. Grind numbers are HR 224/339. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The 3709/3711 numbers are references to lobe designs. 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. 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. Small Block Casting numbers Big Block Crankshaft Cylinder Head ID Use these casting numbers to identify the heads you have. Cam is in used shape but with little to no wear. I have more than 4 Camaro's am I Addicted? 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. One of these cams looks unused and the other at best slightly used. Hey. 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 . With over 35 years of experience in automotive machining, you will not find a more trustworthy and reliable source of parts. This method requires you to do a few tasks like measuring some diameters and comparing them to the database. Some enthusiasts just compare the opening and closing points of the intake with the cam card but this isnt as reliable as the intake centerline method. Jeff Smith: First of all, the CC refers to COMP Cams. 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 . Rear cam bearing journal is etched/engraved Fessler Killer Cams #38 Any info is appreciated. For a better experience, please enable JavaScript in your browser before proceeding. The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and 0.328-inch lobe lift. Looking for 4311-4314-r106 Q 7388-04 CAN ANYONE TELL ME WHERE I CAN LOOK THE SPECS UP! E Is there any way anyone could hp me out? The prefix consists of five digits and explains the date and the location of the Chevy's manufacture. In 1973, it was the cam for the 307/115hp; 350/145hp, 175hp, 190hp; and 400/150hp. Chevy V8 Crankshaft Casting Numbers. Reading a Cam Card: Advance 49 BBC -6 ATC 223 78 BBC 32 ATC 290 .298 .447 . The "2182" Casting number identifies this camshaft as GM part number 3972182. 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. side, aluminum1022512295350.LT5, ZR1, DOHC, 32-valve, pass. We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Trying to find the specs on this camshaft. The identification number consists of a seven-to-eight digit code. * 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 Chevy part number for that cam is 3896929. 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. Can you guys help me pick a cam and fix my combo? with Jeff Smith: How to Decode a COMP Cams http://www.onallcylinders.com/Jeff Smith: First of all, the CC refers to COMP Cams. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. Terms of Service. I tried searching & googling these markings with no luck. I was given a can that has the #s Do not enter the -2 on dual cams part numbers or the (I) that indicates intake or (E) for exhaust. This an original 1966 283 camshaft casting number is 3732798, hydraulic lifters. 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. The model prefix is the first part of the camshaft number, and it describes the vehicle that the camshaft is meant for. Less overlap generally produces a more stable idle while more overlap makes the idle lumpier. many years ago! Good Day: How to Turn off Daytime Running Lights (Explained), How to Turn Off Headlights While Car is Running. The 8.1L FO is 1-8-7-2-6-5-4-3 where a 454/7.4L is 1-8-4-3-6-5-7-2 as seen in Figure 1. Drivetrain: '95 T56, pro 5.0 shifter, hayes clutch, Stock 10 bolt with 3.42's The suffix provides the. The grind number is the ever noted number, far and more recognized than the model number. 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. Remove the camshaft from the engine if necessary. Information is premium and can save you from errors and spending excessively. In 1975, it was the cam for the 350/145hp, 155hp, 165hp; and 400/175hp. Re: camshaft identification. It is typically located in the center of the cam between the lobes. Can Jumpstarting a Car Damage the Alternator? Do You Get a Ticket in the Mail for Passing a School Bus? 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 (Yes or No). There are 3 different ways to select your camshaft tightly. It is typically located in the center of the cam between the lobes. JavaScript is disabled. .390 .410 310 320 1.50 in 1968, it was the cam for the 307/200hp; 327/210hp, 250hp, 275hp, 300hp; and 350/295hp. The 8th digit of the VIN. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. PG,63 4WD 1st series. 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. GM was looking for a more powerful engine for the CTS-V and ZL1 Camaros. In 1975, it was the cam for the 350/145hp, 155hp, 165hp; and 400/175hp. Chevy Intake Manifolds This is what is on the cam, it would not let me past a picture here. 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. They are widely used and they perform well, which is more affordable than a roller cam. In the catalog, you will see the cams listed by configuration starting with flat tappet hydraulics and then hydraulic rollerswhich is what we want. Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. The LS engine is designated 54 and this number is generally the first two numbers that define the actual cam part number. Camshafts Melling offers a full line of OE replacement camshafts for cars, light duty, medium duty and heavy duty trucks. I'll post up a pic as well. Using stamped numbers and. 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. The cam is in very good used condition and will likely be reused. The numbers are just figures a manufacturer uses to identify their products and to track them sometimes. 10186060 Hydraulic Flat Tappet "454". Speed isnt a problem with a dual camshaft and it increases the engines power. intake and 1.72 in. CAM 6930 1967 CAMSHAFT ID. A good understanding of these factors will assist you in making a wise decision. 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. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. CWC is the foundry that cast the cam blank. Chevy . Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. 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. no idea) and only pulls about 10psi vac at idle. 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. Below is some reference data for cylinder head casting numbers with valve sizes, years used, etc. I know that Chevy Casting Numbers are on several sites on the World Wide Web but I thought it would be a good idea to list them here too. Crankshaft Identification Use these casting numbers to identify the crankshaft you have. ). however, depending on how you want to look at it. 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. CWC is the casting ID for CWC Textron. To avoid spinning, roller lifters are lifted together. 366298.4Bowtie, Aluminum, billet main caps, 3.398" bore with sleeves, two piece rear main seal. 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. 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. How to Catch Someone Putting Nails in Your Tires (5 Best Ways), Method 2: You can Identify with Stamp Numbers, what to do after replacing your camshaft sensor in your car. From the distribute drive gear down are the folloing markings: CWC, 06, C14, EP1. By visual inspection. 366299.4Bowtie, Aluminum, nodular iron splayed caps, wet sump, 4.00" bore389257..302..67.2393288..28365-672460703..350..78.4460776..30578-792460777..30578-792460778..30578-792 or 4, some Canadian assembled heavy duty truck blocks have 4-bolt main caps471511..26779-8223556519.28358-6123703524.265..55.2No oil filter3720991.26556-5723731548.265572No side motor mounts3731548.283572No side motor mounts3737739.28358-6423756519.28358-6223782870.32762-6723789817.28362-6423789817.32762-6723789935.28361-6423790721.28362-642Chevy II recessed oil filter boss3790721.32765-662Chevy II recessed oil filter boss3791362.32762-672Chevy II recessed oil filter boss3792563.327..65.23792582.28364-6523794226.28358-6323794460.32762-6423830944.327..63.23834810.28364-6623834812.28362-6323837739.28358-6223849852.28357-6623849935.28365-6723858174.32764-6723858180.32764-6723858618.35068-7623862194.28365-672Chevy II recessed oil filter boss3862812.28362-6423892657.302..67.2Z-28 Camaro3892657.327..67.23892657.350..67.2Camaro3896944.28366-6723896948.28366-6723903352.327..67.23914636.307..68.23914638.307..68.23914653.30768-7323914660.327..68.23914678.302..68.2Z-28 Camaro3914678.327..68.23914678.350..68.23931174.307..68.2Truck3932371.30769-7323932373.30768-7323932386.302..69.4Z-28 Camaro3932386.327..69.23932386.350..69.2 or 43932388.327..69.23932388.350..69.2 or 43933180.32768-6923951509.40070-7143951509.40074-8023951511.40070-734Some replacement blocks had 2-bolt main caps3956618.302..69.4Z-28 Camaro3956618.32768-6923956618.350..69.2 or 43956632.307..69.23959512.32762-672Was also used for some "CE" replacement blocks3959532.283642Used for some "CE" replacement blocks3959538.327..2Chevy II recessed oil filter boss, Used for some Chevy II "CE" replacement blocks3970010.302..69.4Z-28 Camaro3970010.327..69.2Trucks and industrial3970010.35069-802 or 43970014.35070-762 or 43970020.30769-7323970024.30769-7324715111.305..80.26259425.35069-762, 95509..400.762 bolt have only seen one10036033350..4Goodwrench crate motor, 2-piece rear seal, "Hecho en Mexico"10046164305..86.210049804..4Aluminum, Pontiac Super Duty version of Gen.I SBC, 4.00" bore, 350 mains, 2-piece rear seal, splayed caps, GTP race block10051182..2 or 4Bowtie, 3.75"-4.30" bores, 1 or 2-piece rear seal10051184..4Bowtie, 4.00"-4.155" bores, 1 or 2-piece rear seal1005472735086-up2 or 4one piece rear seal, some "Made in Canada"10066036350..2 or 4Target Master/Goodwrench crate motor, 2-piece rear, seal, "Hecho en Mexico"10066038350..92.4Goodwrench crate motor, 2-piece rear seal, "Hecho en Mexico"10090511350..90.2LT-5, ZR1 Vette, 375hp1012532735092-up2 or 4Gen.II LT-1, reverse flow cooling1012532735096-up2 or 4Gen.II LT-4, reverse flow cooling10134398..4Bowtie, Aluminum, 4.125" bore, 2.65" main journals10134996..4Bowtie, Aluminum, 4.125" bore 2.65" main journals1015355835091-924LT-5, ZR1 Vette, 375hp1016858826594-962L99, Gen.II, 4.3 Liter V-8, Caprice, reverse flow cooling1019900135093-954LT-5, ZR1 Vette, 405hp1024387830596-982Vortec truck, roller cam, one-piece rear seal1024388035095-002 or 4Vortec truck, Gen.I crate motors and "ZZ4", roller cam, one piece rear seal1255059235097-upcrossbolted block, Gen.III, "LS1", aluminum1255135899-upGen.III, 4.8L or 5.3L, cast iron, truck1255136436498-04crossbolted cast iron Gen. III, 6.0L, truck1255937835099-upcrossbolted block, Gen.III, "LS1", aluminum1255984635098-upcrossbolted block, Gen.III, "LS1", aluminum1256062135098-upcrossbolted block, Gen.III, "LS1", aluminum1256062635099-upcrossbolted block, Gen.III, "LS1", aluminum1256062935099crossbolted block, Gen.III, "LS1", aluminum1256116835001-upcrossbolted block, Gen.III, "LS1", aluminum1256217435098-upcrossbolted block, Gen.III, "LS1", aluminum1256895236405-upcrossbolted block, Gen.III, 6.0L, aluminum, LS21256691032504-upcrossbolted block, Gen.III, 5.3L, aluminum, SSR truck1257104832504-upcrossbolted block, Gen.III, 5.3L1257358136498-04crossbolted cast iron, Gen.III, 6.0L, truck1257718436498-04crossbolted cast iron, Gen.III, 6.0L, truck1257739602-upGen.III, 4.8L or 5.3L, cast iron, truck1401020130580-8521401020230580-8521401020330580-8521401020735080-852 or 41401020935080-852 or 41401028026779-822140110643508341401114835087-89.Roller cam, one-piece rear seal1401637626779-8221401637935077-792 or 41401638130580-8421401638230579-8421401638330580-852Truck1407928735086-90.Truck1408852635087-89.Roller cam, one-piece rear seal1408854835086-882 or 41408855130586-872one-piece rear main seal1409362730587-942Roller or flat tappet cam, one-piece rear seal1409363835087-952 or 4Roller or flat tappet cam, one-piece rear seal1409476630586-up2One-piece rear seal1410114730585-up21410114835086-904One-piece rear seal1410205830587-912Roller cam, one-piece rear seal22551656..4Chevy/Olds Rocket block, 4.00"-4.190" bores, 2.45" main journal sizes, splayed caps, dry sump, 2-piece rear seal, 9.025" deck22551660..4Chevy/Olds Rocket block, 4.00"-4.190" bores, 400 mains journal sizes, splayed steel caps, wet sump, raised cam 2-piece rear seal, 9.300" deck. 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