Now turn the engine clockwise and stop at 0.050 on the opening side of max lift and record the degree wheel reading. It is 8 figured random numbers and sometimes 9 figures with the last 4 numbers identifying the specific function of the Cam Shaft. Can a Wheel Speed Sensor Cause Limp Mode? journal.3.00" stroke3849847.283.forged..small journal.3.00" stroke3876764.283.forged or cast..sm. That gives us our first clue where to look for the rest of the numbers. As each engine model comes with a specific camshaft, proper identification is key to finding the right one. Oct 8, 2010 #2 Z z28rod Veteran Member Apr 30, 2009 4,472 hopewell junction,ny Thanks, Your email address will not be published. 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. Understanding Cam Design. Terms of Service. Using stamped numbers and. 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. Vortec truck, Gen.I crate motors and ZZ4, roller cam, one piece rear seal: 12550592 : 97-up : 350 : crossbolted block, Gen.III, LS1, aluminum: In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. All of these applications had the same specs as the initial 1967 application. 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. Inc. Lee's Summit MO. The numbers are just figures a manufacturer uses to identify their products and to track them sometimes. For instance, the number for a Toyota 3SGE would be CS 3SGE. The end of the cam is stamped 3709/3711 HR 114 followed by CC and 7661-11. Small Block Casting numbers Big Block Crankshaft Cylinder Head ID Use these casting numbers to identify the heads you have. 586 FM13 216 00L 1991 Z28 Engine: '94 355 LT1, GM hot cam, 1.6 RR's, Ported Heads, Dyno Don's headers, #30 SVO injectors, stock internals with skirted pistons. Discussion in 'The Hokey Ass Message Board' started by indestructableforce, Nov 13, 2012. If you notice any mistakes or have any additions, use my contact me form and let me know so I can update the list. 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. COMP offers this as a service to anyone who is looking for a custom combination of specs that are not listed as an on-the-shelf cam. I purchased a used hydraulic roller camshaft from a friend that was originally used in an LS1 engine. 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. Other examples include small block Chevys -12, big block Chevys -11, and 5.0L small block Fords -35. This will give you the intake centerline. The radiator, hoses, timing assembly, belts and fan will need to be removed to access the camshaft. 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 That number is actually the casting number of the camshaft, not the part number. This is a COMP Cams timing card. 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. These numbers only describe the functions or tell the specifics of each product. 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. Quick View. The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and 0.328-inch lobe lift. This was one of the best selling/most popular cams through the years past! I have a new cam was told it was a comp cam # 1136 230780 any ideas on cam specks. I have Comp Cams camshaft. intake and 1.72 in. This same pattern was followed throughout the 1997 production cycle. The LEA is an engine produced by General Motors for a wide variety of compact and midsize vehicles. To avoid spinning, roller lifters are lifted together. Does OnStar Keep Location History? Thank you ,This has been very helpful. A pushrod is a metal tube constructed to transfer the valve motion of a lifter riding on the camshaft directly to the value. Old school Comp 9000 Mallory Distributor and coil. Also there is a Blue dot just under the distributor drive gear. Below is some reference data for cylinder head casting numbers with valve sizes, years used, etc. Step 1 Find the model prefix. I did a search as well, google and on here. The car came with the two cams you identified above, Stored in cardboard tubes, With the #5054 & date 1971 stamped on tubes. This is what is on the cam, it would not let me past a picture here. There following are ways you can tell a difference: As the name implies, these sets of numbers reveal the model of the camshaft. On the home page, we looked for the Information tab and then clicked on Catalogs. And there is a CR inscribed as well off the lower left 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. Step 3 Match the number to a Chevrolet camshaft part number listing. Analog system. BBC Cylinder Head Casting Numbers RECTANGULAR PORT - Valve size 2.19 intake, 1.88 exhaust IP = Intake runner volume OVAL PORT - Valve size 2.06 intake, 1.72 exhaust BBC Camshaft Part Numbers Note 1: 80 deg overlap, 396 375hp L-78/L-89, 427 425/435hp L-71/L-72, 454 450hp LS-6, HP streetof engines we now know as Small Block Chevys. The Fora platform includes forum software by XenForo. Can You Register a Car with a Bill of Sale and No Title? 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 . The numbers on it are, 3734R/3377R, HR13, I 3996-06. They provide average torque to the valves. Anyone have any idea what make and specs are of this cam? E It's a used cam and it has this barcode on it. Switching to Synthetic Oil After 100k Miles: Pros and Cons. 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 A good camshaft cannot be underrated, so you need it to make your engine function well. Sept. 2019 Drag-Week Winner - N.Y. Legal Streeter - 1956 Chevy Bel-Air, http://www.msnusers.com/Chrisjunque/shoebox.msnw?action=ShowPhoto&PhotoID=2. Chevy V8 "W" Motor 348-409 Casting Numbers. 52.01.07 In 1971 he installed a 1965 Corvette fuel injection system. 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. I hope it helps you identify the Chevrolet engine parts you are working on. Cheers Bart, I have a cam that is stamped K 7 THEN ABOVE IT IS 1264 321 7273 WHAT DO I HAVE ITS NEW IN BUBBLE WRAP. Is there any way anyone could hp me out? This is the COMPCams equivalent of the Rosetta stone for cam lobes. The next two numbers are the valve lift of . This number should be on your camshaft, followed by a number of degrees. How Long to Drive After Reset Computer to Pass Emission Test? They are widely used and they perform well, which is more affordable than a roller cam. However, remember what to do after replacing your camshaft sensor in your car to avoid another frustration. Example: 63402A-2 enter 63402A For a better experience, please enable JavaScript in your browser before proceeding. Also can i safely run the Xtreme Energy, XR294HR on my 383 Vortec 906 heads and screw studs ? You can also use an analog system to identify unknown camshafts. Chevy V8 Casting Number Locations. I bought a 34 Ford pickup with a 302 installed. The chevy part number for that cam is 3896929. Trying to find the specs on this camshaft. Chevrolet LS7 Camshaft. 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 was pretty careful with the float settings etc and it fired right up when put back on! Chevy LSX454 Camshaft. They are the flat tappet and roller camshaft. 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. can you help me to decode this cam . Your email address will not be published. . Thank, Ray. Manufacturer Part Number. I am partially colorblind so they may be sort of tanish as well. Small Block Chevy Factory Camshafts . They minimize friction, which ensures the camshaft contains more power. Can a Bad Battery Cause a Check Engine Light to Come On? In 1974, it was the cam for the 350/145hp, 185hp, 195hp; and 400/150hp, 180hp. 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. JavaScript is disabled. The car has all orig drive train, Except for fuel injection and headers. many years ago! There are two types of cams that you can tell the difference without using a lens or going the extra mile to tell the difference. A good understanding of these factors will assist you in making a wise decision. How to Start a Car with a Blown Head Gasket (Explained). There are 3 different ways to select your camshaft tightly. This method requires you to do a few tasks like measuring some diameters and comparing them to the database. Apr 13, 2014 Yeah, it has CR 760 stamped on the back, and then a date under it. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Speed isnt a problem with a dual camshaft and it increases the engines power. When referring to LSAs, the larger the number, the more degrees of separation between the intake and exhaust lobes. 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. . Used on RPO: L86 (1980-1991). The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and .328-inch lobe lift. The grind number is the ever noted number, far and more recognized than the model number. 330545..73350.76cc chamber, 2.02/1.60333881..74-75350.76cc chamber, 2.02/1.60333882..74-80350/40076cc chambers340292..70's.Over the counter, angle plug, 64cc chamber354434..75-79262/267/30560cc chambers358741..76-79305376445..77-85350.76cc chamber, small valves376450..75-81262/267/305..6 or 7 exhaust bolt holes, 60cc chamber462614..77-79305.60cc chamber462624..75-86350/40076cc chamber, 1.72/1.5, 1.94/1.5 or 2.02/1.6 valves458642..75-84350.350468642..76-up350/400471513..79267/350517513..79267/3501816887.63283.Made in "Canada", GMC HD truck3636839.552653703523.552653713358.55-562653713569.55-562653725306.562653731539.57283.283 HP FI3731544.57-612833731554.57-622833731556.57283.Truck, Made in Canada3731762.56265.Vette, 2x4 carbs3737775.62-67283/3273740997.57283.1x4, 2x4 & FI (exc.-283hp)3743056.582833743096.62-67327.GMC Truck3747363.57-612833747460.59-67283/32770cc chambers3748770.582833748772.58-612833755537.57-622833755549.57-622833755550.592833755585.62-67327.GMC Truck3767460.59-602833767462.62-673273767465.59-612833767754.59-61283.60cc chambers3767792.60-642833774682.60-64283/32770cc chambers3774684.62-64327.75cc chambers3774692.58-64283.60cc chambers3782461.64-66327Camel hump,no accessory holes,160/62cc port volumes,62cc chamber3782461X60-63283/327..Camel hump,no accessory holes,larger 172/64cc port volumes, 62cc chamber3795896.63-6528360cc chamber3795896.62-6432760cc chamber3798996.63-673273814480.60-67283/327..70cc chambers, 1.72/1.5 valves3814482.62-67283/327/350..75cc chambers3817680.63-67283/3273817681.62-673273817682.61-622833836839.552653836842.57-67283/3273837064.56-62265/2833837065.55-56265.Truck3848720.57-582833876775.60-67283/32775cc chamber3884520.60-67283.Some marked "Made in Canada", 60cc chamber, also used by Studebaker3884520.62-67327.Some marked "Made in Canada", 60cc chamber, also used by Studebaker3890462.66-67302/327/350..Camel hump,no accessory holes,64cc chamber3901068.87-up350.Crate motor, 285hp, 64cc chamber3911032.68307/32770cc chamber3912264.58-622833912265.63-642833912311.65-673273912313.65-673273917290.67-68307/3273917291.67-68302/327/350..Camel hump,no accessory holes,64cc chamber3917292.68327/350Camel hump,64cc chamber3917293.67-68307/32775cc chambers3927185.69-76307/327/350..70cc chambers3927186.69-70302/350Camel hump,64cc chambers,accessory holes3927187.69-70350.Camel hump,64cc chambers,accessory holes3927188.69327.74cc chambers3927188.70307.74cc chambers3931633.68-733073931635.68-763503931638.68327.Truck3932441.69-70350.76cc chambers3932441X69-70350/40080cc chambers3932454.69-733073932454.69-79350.Truck3946812.693503946813.69-79350.Truck3947040.68327."Right angle" casting identifier, 64cc chambers, good HP head,used in trucks, no accessory holes3947041.69-70302/350"Right angle" casting identifier, 64cc chamber, accessory holes, good HP head3947041X69-70302/350"Right angle" casting identifier, 64cc chamber, 165cc intake port, accessory holes, good HP head3951598.70400.76cc chambers39642863503965742.70350.over the counter, angle plug3970126.67-71327/3503973370.69-70350.over the counter in US, Canadian 350/300hp production use in Pontiac, 64cc, straight or angle plug3973414.70350.LT1-350/370hp, Camel hump, 64cc chamber3973487.71-72350.1.94/1.5 or 2.02/1.6 valves, was also used on '71 350/330hp LT1, 75cc chamber3973487X71-72350.1.94/1.5 or 2.02/1.6 valves, 75cc chamber3973493.71-72400.76cc chamber3986316.71350.76cc chamber3986336.71350.76cc chamber3986336X71350.76cc chamber3986339.71307/35074cc chamber3986339X71307/35074cc chamber3986388.68-76307/3503991492.70350.LT1,Camel hump,accessory holes,64cc, straight plug3991492.70-up.over the counter,Camel hump,64cc, straight or angle plug3998916.72350.also used w/'72 350 LT1, big valves, screw in studs, 76cc chambers3998920.72-733503998991.72-73307/35075cc chambers3998993.72-73307/35075cc chambers3998993.current..350Goodwrench crate motors,"Hecho en Mexico", 75cc chambers3998997.72-73350/40076cc chambers3998997.78-84305/35076cc chambers4079261.7535010033867Aluminum,over the counterPontiac 23' head,62cc,angle plug, 196cc intake port10045434Over the counter Pontiac 15' head 55cc, angle plug, raised runner aluminum, "roll over" head10051101Bowtie, aluminum, 55cc, angle plug raised runner, 196cc intake port1006520287-95350.Truck1006520387-95350.Truck1006520487-953501006520587-953051006520687-953501006520787-953051008811388-up350.Aluminum, 58cc, angle plug, raised "D" port exhaust, 1.94"/1.5" valves10093328Over the counter, Pontiac 15' head aluminum,224cc ports, 61cc chambers "roll over" head1010617890350.LT5, ZR1, DOHC, 32-valve, pass. A SOHC allows at least 2 to 3 valves per cylinder configuration, with more manufacturer prowess. Stamped on end is Z099, also has three pink dots above that stamping. 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. 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. **Due to the COVID-19 pandemic a large number of products are on backorder and shipping times are longer then usual. How to Turn off Daytime Running Lights (Explained), How to Turn Off Headlights While Car is Running. The Vehicle's Service Parts Identification Label Will Have The VIN Digit and Engine RPO Code (Circled) To Confirm Engine Application Gen III LS Engine Car Applications 1997 to 2004 Corvette, 1998 to 2002 Camaro & Firebird, 2004 GTO: 5.7L LS1 2001-2004 Corvette, 2004-2005 Cadillac CTS-V: 5.7L LS6 Gen III LS Engine Truck Applications: Run-out on. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. In 1974, it was the cam for the 350/145hp, 185hp, 195hp; and 400/150hp, 180hp. were used. Personally, I would trash the cam and go buy a new cam and lifter set that you know what the grind is. The Chevrolet small-block engine is a series of gasoline-powered, V-8 automobile engines, produced by the Chevrolet division of General Motors between 1954 and 2003, using the same basic engine block.Referred to as a "small-block" for its size relative to the physically much larger Chevrolet big-block engines, the small block family spanned from 262 cu in (4.3 L) to 400 cu in (6.6 L) in . Only thing is the idle mixture screws have little effect (oh no timing pointer either on order) so cant really tell timing. Reading a Cam Card: Advance In 1972, it was the cam for the 307/130hp; and an optional cam for the 350/165hp, 175hp, 200hp; and 400/170hp. Drivetrain: '95 T56, pro 5.0 shifter, hayes clutch, Stock 10 bolt with 3.42's 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 . Dec 31, 2009. I tried searching & googling these markings with no luck. Information is premium and can save you from errors and spending excessively. We have it in internal combustion engines and some electric motor speed controllers. Show More Show Less. 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. It doesn't indicate a different cam or an earlier or later version. I have a Pontiac camshaft with 960938 number on the backside. CWC is the foundry that cast the cam blank. order on 8.1L big block engines is different than a normal big block.