$799.00 +$36.00 shipping. Sept. 2019 Drag-Week Winner - N.Y. Legal Streeter - 1956 Chevy Bel-Air, http://www.msnusers.com/Chrisjunque/shoebox.msnw?action=ShowPhoto&PhotoID=2. CAM 6964 1969 CAMSHAFT ID. Is there any way anyone could hp me out? Rear cam bearing journal is etched/engraved Fessler Killer Cams #38 Any info is appreciated. Less overlap generally produces a more stable idle while more overlap makes the idle lumpier. Retired GM employee, John Hinckley, an NCRS Master Judge, explains the one number . CAST3736098. 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. Thanks, Your email address will not be published. The exhaust number also comes through some time, maybe if you see digits like 266/288; the second shows the exhaust number. The next information engraved on the cam was HR 114. How to Start a Car with a Blown Head Gasket (Explained). Used on RPO: L86 (1980-1991). If I rotate the camshaft the other side has markings of AO, D14. Are you a newbie in dealing with cars and you seem not to know how useful a camshaft is and what is used for? Do You Get a Ticket in the Mail for Passing a School Bus? 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. 2. [] Ask Away! When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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. diameter 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. Camshafts are identified by (usually) the last 4 digits of the part number and a casting symbol. The greater number of degrees means there is less overlap between the intake and exhaust lobes. The radiator, hoses, timing assembly, belts and fan will need to be removed to access the camshaft. Step 2 Locate the ID number on the camshaft. This an original 1966 283 camshaft casting number is 3732798, hydraulic lifters. In 1972, it was the cam for the 307/130hp; and an optional cam for the 350/165hp, 175hp, 200hp; and 400/170hp. 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. GM used a forged crankshaft, oil-spray cooled Hypereutectic pistons, and a hydraulic roller camshaft made to handle boost. Quick View. Discussion in 'The Hokey Ass Message Board' started by indestructableforce, Nov 13, 2012. One of the primary differences between the GM GEN 3 and 4 ECMs are how they estimate airflow using VE Tables. GM 6930 , 6964 and 5054. intake and 1.72 in. If we didn't already know this was an LS cam, the first thing we would want to do is determine the engine [], it seems like you can barely write,you need education, I bought pair of cams for my 99 mustang 4.6 i was told they are stage 2 cams but i wanted to be sure before taking old ones off can u please help me identify them will they improve my pony thank u very much sir. We have it in internal combustion engines and some electric motor speed controllers. SBC Block Casting Numbers. One of these cams looks unused and the other at best slightly used. There following are ways you can tell a difference: As the name implies, these sets of numbers reveal the model of the camshaft. Smith began writing for Car Craft magazine in 1979 and became editor in 1984. Apr 19, 2020 Just to be clear, are those the numbers on the face of the cam behind the timing gear? Hey. A Solid Lifter Camshaft for 1970 1971 and 1972 Camaro Z28 or Corvette with the 350 LT1 Small Block Motor. i have a 383 chev engine ibought and would like to know what cam is in it. However, remember what to do after replacing your camshaft sensor in your car to avoid another frustration. It doesnt add to the function of the camshaft, nor does it play an important role. It has a taper inside the lobe which ensures the lifter can spin. Chevy V8 BBC Block and Head Casting Numbers. PERFORMANCE PARTS | My great WordPress blog. The only thing we dont know from these number is the cams intake centerline. It is 8 figured random numbers and sometimes 9 figures with the last 4 numbers identifying the specific function of the Cam Shaft. 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. They dont own the name flat, but the lobes of roller camshafts are perfectly flat. By visual inspection. They are widely used and they perform well, which is more affordable than a roller cam. Vortec truck, Gen.I crate motors and ZZ4, roller cam, one piece rear seal: 12550592 : 97-up : 350 : crossbolted block, Gen.III, LS1, aluminum: Can a Wheel Speed Sensor Cause Limp Mode? That gives us our first clue where to look for the rest of the numbers. The recall affects several models of heavy duty Chevrolet Silverados and GMC Sierras with optional engine block heaters. I hope it helps you identify the Chevrolet engine parts you are working on. Can a Bad Battery Cause a Check Engine Light to Come On? many years ago! The easiest way to get the best is to check the numbers in between the lobes or boxes. If you are confused as to which cam you should buy for your beast, Crane has you covered. (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. You need the measurement of the diameter to compare with the database or any online store IDs. Ford Au part no ! The EP1 (not EPI) indicates that it was cast for Engine Power Components. 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 . Also can i safely run the Xtreme Energy, XR294HR on my 383 Vortec 906 heads and screw studs ? side, aluminum1010617990350.LT5, ZR1, DOHC, 32-valve, drvs. The 7661-11 is a serial number specific to that camshaft only. Jeff Smith: First of all, the CC refers to COMP Cams. Camshafts Melling offers a full line of OE replacement camshafts for cars, light duty, medium duty and heavy duty trucks. It is typically located in the center of the cam between the lobes. Chevy Cam Part Number Location Chevrolet Big Block Camshaft Types Chevrolet installed Three different types of Camshafts on the Big Block Engines. The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and .328-inch lobe lift. The ID number will consist of either eight or nine digits; the last four numbers identify the cam and its specific application. 1014789895-98350.Gen.I crate motor1015955087-953501015955187-953051015955287-953501015955387-953051017438991-94350.LT5, ZR1, DOHC, 32-valve, drvs. Show entries Search: Showing 1 to 10 of 46 entries Previous Next Big Block Crankshaft Casting Numbers Lookup To be sincere, flat tappet just owns the name flat. A Guide To Ford V8 Engine Block Casting Numbers, 1952-1996. This figure is derived by adding the intake center line plus the exhaust center line and dividing by two. Now zero the indicator and turn the engine backward until the dial indicator reads roughly 0.100-inch. The numbers on it are, 3734R/3377R, HR13, I 3996-06. Their outer look tells the difference. Speed isnt a problem with a dual camshaft and it increases the engines power. On the home page, we looked for the Information tab and then clicked on Catalogs. Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. order on 8.1L big block engines is different than a normal big block. Chevy V8 Crankshaft Casting Numbers. It's real easy to spot if the heads are off because of the small 3.74" bore. (396 BBC), Is this enough information to get the specs on this cam? Once we found the hydraulic roller section, the first column lists each lobe by number. Any help much appreciated. Can You Register a Car in a Different Name than on the Title? side, aluminum1017439091-95350.LT5, ZR1, DOHC, 32-valve, pass. side, aluminum10185040Bowtie, aluminum, 45cc chambers, 1st version, symmetrical ports, 263cc intake ports, splayed valves10185040Bowtie, aluminum, 45cc chambers, 2nd version, symmetrical ports, 240cc intake ports, splayed valves1020524593350.Gen.II LT1, aluminum, reverse flow cooling, 175/68cc port volumes1020764394-96350.Gen.II LT1, aluminum, reverse flow cooling, 175/68cc port volumes1020889094-96265.Gen.II, L99, 4.3 Liter V-8, cast iron, reverse flow1021533997350.Gen.III, LS1, aluminum, 68cc1022512194-95350.LT5, ZR1, DOHC, 32-valve, drvs. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. Also there is a Blue dot just under the distributor drive gear. That number is actually the casting number of the camshaft, not the part number. Camshafts come in a wide array of variations, and Chevrolet has a range of camshafts for different applications, engine sizes and performance specs. Grind numbers are HR 224/339. GM was looking for a more powerful engine for the CTS-V and ZL1 Camaros. Compare Related Articles. My grandfather was one of their 1st employees when they started out as Cambell, Wyant, and Cannon back in the early 1900s. To Develop Good Eye Habits While Driving You Should? were used. Oct 8, 2010 #2 Z z28rod Veteran Member Apr 30, 2009 4,472 hopewell junction,ny The 8th digit of the VIN. The numbers are just figures a manufacturer uses to identify their products and to track them sometimes. 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. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. I was pretty careful with the float settings etc and it fired right up when put back on! You can also use an analog system to identify unknown camshafts. Different chamber volumes, port volumes, port locations, valve sizes, etc. A good understanding of these factors will assist you in making a wise decision. It doesn't indicate a different cam or an earlier or later version. Required fields are marked *. 4009f/4024f 68553-06. 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. Stock GM LS engine cams feature LSA anywhere from 116 to 121 degrees because GM is concerned with creating a very smooth idle. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. A good camshaft cannot be underrated, so you need it to make your engine function well. 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 ? How Long Does it Take to Replace a Catalytic Converter? 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. Trying to find the specs on this camshaft. i have a 383 chev engine ibought and would like to know what cam is in it. 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. Come join the discussion about performance, builds, restoration, modifications, classifieds, troubleshooting, reviews, and more! Answer (1 of 4): Most common specs for an engine would be for example. This sometimes is tagged stressing when you can just tell by looking at numbers, but in the absence of a degree when or dial indicator, an analog is required to make your best decision. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 285/300hp, 64cc chambers, 1.94"/1.5" valves1401441580-85267/3051401441680-86305.1.84"/1.5" valves, 58cc chambers1401444080305.1.84"/1.5" valves1401982180-863501401992479-812671401992680-863501401051680-86350140205178035014020555813051402055681350140220568535014022206803501402230180-863051402260180-86267/3051.72"/1.5" or 1.84"/1.5" valves, 53cc chambers1402280180-8630514024816..350.76cc chambers, 1.94/1.5 valves, Gen.I crate motors1403480678-822671403480778-863051403480880-863501403480896-up350.76cc chambers, 1.94"/1.5" valves, Gen.I Goodwrench crate motors1403481080-86350.Truck1403481180-86350.Truck1403912181-86305.Truck1403912281-86305.Truck1407111480-863501407538180-86350.Truck14079261863501408584480-86350.Truck140859638635014088526..350.Gen.II, LT1, aluminum1408911986-883501409409386-883501409621780-96350.Crate motor, 285hp/300hp, 64cc chambers, 72' or 90' center intake manifold bolt angles1410108187-953051410108387-up350.Gen.I, also used on crate motors, 285 or 300 hp, 64cc chambers, 72' center manifold bolt angles1410112886-87350.Aluminum, 58cc, angle plug1410218787-91305.1.84"/1.5" valves1410219187-up3501410219387-up350.1.94"/1.5" valves22542525Dart/Olds/Chevy aluminum, 14'or 17' race head.2450255996-97.Bowtie, "SB2", 1st version, "mirror ports", aluminum, 196cc port, CNC version 280cc port, 38cc chamber25500141Buick/Chevy aluminum, 10' race head, 42cc chambers, symmetrical ports, 235cc intake port volumes, 2.1"/1.625" valves25534351C..04-up.Gen.I Bowtie, cast iron Vortec head, 175/65cc ports, 2.00/1.55 valves, "small port head"25534371C..04-up.Gen.I Bowtie, cast iron Vortec head, 206/77cc ports, 2.00/1.55 valves, "large port head"3341736990-up350.Gen.I Goodwrench crate motor,"Hecho en Mexico", 76cc, 0-3267114-bolt, Alum., CanAm, 4.44" bores, steel cylinder liners340220..427T68-854-bolt345014..454.70-86346236..454.75-762-bolt359070..454.70-90361959..454.73-902 or 4 bolt364776..427T68-854-bolt364779..366T68-904-bolt399204..509.70-714-bolt, Alum., CanAm, 4.5" bores, steel Cylinder liners399293..366T77-784-bolt473478..427T77-904-bolt495102..4-bolt, Alum., CanAm, 4.5" bores3782870.427T68-764-bolt3824553.366T66-674-bolt3855961.396.65-662 or 4 bolt3855961.427.662-bolt3855962.396.65-664-bolt3855977.366T66-734-bolt3869942.427.66-672 or 4 bolt3902406.396.672 or 4 bolt3904351.427.672 or 4 bolt3904354.366T66-764-bolt3916319.366T684-bolt3916321.427.682 or 4 bolt3916323.396.682 or 4 bolt3925521.427T68-854-bolt3935439.427.68-692 or 4 bolt3935440.396.68-692 or 4 bolt3937724.366T68-854-bolt3937726.427T68-844-bolt3946052.427.694-bolt, Alum. 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. 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. CHEVY BIG BLOCK V-8 Crankshaft Casting Numbers BBC TWO PIECE REAR MAIN OIL SEALS 3.76" STROKE used on '65-'90 Mark IV 366T, 396, 402, 427 or 427T 6223396,402,427.forged, 1053 steel 7115396,402,427.forged, nitrided, cross-drilled, 5140 steel 3804816..396,402,427.cast 3856223..396.forged 3863114..402. The car has all orig drive train, Except for fuel injection and headers. In 1974, it was the cam for the 350/145hp, 185hp, 195hp; and 400/150hp, 180hp. We would like to thank everyone that has contributed to the data provided on this site. This method requires you to do a few tasks like measuring some diameters and comparing them to the database. The duration at lash point in degrees (intake/exhaust) is 328/324; duration at .050" tappet lift (intake/exhaust) is 220/220; and . Knowing the measurement of a lobe separation angle is another special way of telling the difference between camshafts. 1130.327.forged..mediumjournal3.25" stroke1178.302.forged..medium journal3.00" stroke1181.305,350cast.medium journal3.48" stroke1182.350.forged..medium journal3.48" stroke2680.327.forged..small journal.3.25" stroke2690.350.forged..medium journal3.48" stroke3279.302.forged..medium journal3.00" stroke3474.283.forged..small journal.3.00" stroke, military tank use4577.327.forged..small journal.3.25" stroke4672.327.forged..medium journal3.25" stroke310514..350.cast.medium journal3.48" stroke330550..350.cast.medium journal3.48" stroke354431..262.cast.medium journal3.10" stroke3727449.283.forged..small journal.3.00" stroke3729449.265.forged..small journal.3.00" stroke3734627.327.forged..small journal.3.25" stroke3735236.265,283forged..small journal.3.00" stroke3735263.283.forged..small journal.3.00" stroke3782680.327.forged..small journal.3.25" stroke3814671.327.forged..small journal.3.25" stroke3815822..265,283,302.forged..small journal.3.00" stroke3835236.283.forged..small journal.3.00" stroke3836266.283.forged..small journal.3.00" stroke3848847.283.forged or cast..sm.