gm camshaft identification numbers
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. The car has all orig drive train, Except for fuel injection and headers. I was given a can that has the #s The LEA is an engine produced by General Motors for a wide variety of compact and midsize vehicles. Reading a Cam Card: Advance Match the number to a Chevrolet camshaft part number listing. Any advice? CAM 6964 1969 CAMSHAFT ID. If you don't have the VIN, you can still identify the engine by visual inspection if you know what to look for. side, aluminum1010617990350.LT5, ZR1, DOHC, 32-valve, drvs. There are other camshafts that can be viewed in this category, they include: SOHC means simple overhead cam. Trying to find the specs on this camshaft. It's a stock cam. 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 specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). 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 is typically located in the center of the cam between the lobes. intake and 1.72 in. . . The model prefix is the first part of the camshaft number, and it describes the vehicle that the camshaft is meant for. These spec are for cam install @108 intake ctr line duration @.050 intake 236 ext 242 lobe lift .3470in .3600 ext lobe selection 112.0 where do I set my timeing for first start ? 1995 Chevrolet C1500 5.7L - obd1 - service engine code 32 - replaced map sensor and cleared codes but continues to throw code that map sensor has low voltage. Show More Show Less. I am partially colorblind so they may be sort of tanish as well. Getting a camshaft can be a burden on many car owners; it works well when you have the right one. In 1975, it was the cam for the 350/145hp, 155hp, 165hp; and 400/175hp. Rear cam bearing journal is etched/engraved Fessler Killer Cams #38 Any info is appreciated. . Step 2 Locate the ID number on the camshaft. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. DOHC is a production to improve the volumetric of the internal combustion engine in which it has more power than a simple overhead cam. Apr 13, 2014 Yeah, it has CR 760 stamped on the back, and then a date under it. i have a 383 chev engine ibought and would like to know what cam is in it. It is 8 figured random numbers and sometimes 9 figures with the last 4 numbers identifying the specific function of the Cam Shaft. Stock GM LS engine cams feature LSA anywhere from 116 to 121 degrees because GM is concerned with creating a very smooth idle. Can I Sell a Car if the Title is not in my Name? Thank you, if you can help, send me an e mail and I will send you a picture. (See below.) All you have to do to determine valve lift is multiply the lobe lift times the rocker ratio. ). 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. 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 tube has the ID number as 3863151 which correlates to a L79 Cam however the stamping at the end is 920883. Chevy Intake Manifolds A camshaft is a rotating object in a vehicle with pointed cams in which its rotations produce reciprocal motion. Step 1 Find the model prefix. A Solid Lifter Camshaft for 1970 1971 and 1972 Camaro Z28 or Corvette with the 350 LT1 Small Block Motor. 25-12. Stamp numbers are engraved by the manufacturers to monitor production and distribution. The next information engraved on the cam was HR 114. The Fora platform includes forum software by XenForo. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Learn how your comment data is processed. Each number has a meaning and an interpretation. Remove the camshaft from the engine if necessary. They minimize friction, which ensures the camshaft contains more power. It means the valve is open at 255 degrees. It is a mode of identification used by manufacturers. Privacy Policy. Quick View. If you are looking for the actual Chevy engine codes that are stamped into the block during assembly, Nasty Z-28.com has an excellent block stamping number decoder. Looking for 4311-4314-r106 Q 7388-04 CAN ANYONE TELL ME WHERE I CAN LOOK THE SPECS UP! I have this small block chevy the guy says is a 418 strocker a lifter lifted off at the track but now im looking at the cam and all it has on it is a S then another set of numbers is CH2 ..its a roller set up lifter ar comp cams and so is the rockers but i have no cam spec with car when i got it so im lost . 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. There are 3 different ways to select your camshaft tightly. There are two easy ways: 1. Your email address will not be published. The suffix provides the. 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. Does OnStar Keep Location History? I hope it helps you identify the Chevrolet engine parts you are working on. * 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. Example: 63402A-2 enter 63402A It's a used cam and it has this barcode on it. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Grind numbers are HR 224/339. Crane makes Blueprint camshafts for almost, if not, every GM, Ford, Mopar engine from the sixties and seventies. We have a hint because if a camshaft if ground with no added advance, the intake lobe centerline will be the same number as the LSA114 degrees After Top Dead Center (ATDC). Can Jumpstarting a Car Damage the Alternator? Come join the discussion about performance, builds, restoration, modifications, classifieds, troubleshooting, reviews, and more! As each engine model comes with a specific camshaft, proper identification is key to finding the right one. Chevy Cam Part Number Location Chevrolet Big Block Camshaft Types Chevrolet installed Three different types of Camshafts on the Big Block Engines. You need the measurement of the diameter to compare with the database or any online store IDs. 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. I have 3.55 geArs and a 3600 stall. If we didnt already know this was an LS cam, the first thing we would want to do is determine the engine family. That gives us our first clue where to look for the rest of the numbers. How Long to Drive After Reset Computer to Pass Emission Test? We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. On the shaft the #'s 1539 are stamped in one spot, and CWC is stamped in another spot. CAM 6930 1967 CAMSHAFT ID. For instance, the Duntov cam has a GM part number 3736097 but cast into the camshaft is the number 3736098. The ID number will consist of either eight or nine digits; the last four numbers identify the cam and its specific application. 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. In 1974, it was the cam for the 350/145hp, 185hp, 195hp; and 400/150hp, 180hp. 52.01.07 How to Start a Car with a Blown Head Gasket (Explained). 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. The 4 digit ID on the camshaft core is 1529, which if correct I believe is for a 327 engine. They provide average torque to the valves. [] Ask Away! There are many numbers and terms used to describe the design of the camshaft and it's important to know how these numbers will affect the performance of your engine. Re: camshaft identification. If you notice any mistakes or have any additions, use my contact me form and let me know so I can update the list. The numbers on it are, 3734R/3377R, HR13, I 3996-06. Because the camshaft orchestrates the entire valve system, your Chevy won't run properly without it. Lift of tested lobe could be .300" before wear. The only thing we dont know from these number is the cams intake centerline. 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. 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. i have some stamps on the cam that i can see EP236 and CWC can these be used to idetify the cam. (You must log in or sign up to reply here. 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 The chevy part number for that cam is 3896929. Then do the same process with the lobe at 0.050 on the closing side. Information is premium and can save you from errors and spending excessively. 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. Learn more about: Cookie Policy, Will a 50 Inch TV Fit in my Car? How to Get a California Drivers License with an Out of State License, Can You Register a Car Online in Florida? It's real easy to spot if the heads are off because of the small 3.74" bore. Now zero the indicator and turn the engine backward until the dial indicator reads roughly 0.100-inch. The recall affects several models of heavy duty Chevrolet Silverados and GMC Sierras with optional engine block heaters. Old school Comp 9000 Mallory Distributor and coil. Dec 31, 2009. The best way to identify an unknown camshaft is by identifying it with your eye or using stamped numbers engraved on the camshaft to identify it. Car AC Compressor Not Turning On (Causes and Quick Fix). For a better experience, please enable JavaScript in your browser before proceeding. On the home page, we looked for the Information tab and then clicked on Catalogs. I just rebuilt the carb as it was pretty dirty and leaked at the accel pump. Chevy V8 BBC Block and Head Casting Numbers. I have a Street Performance comp cam that was purchased in 2007. They appear to be a rock arms with a small diameter. It models the airflow for the computer to calculate fuel. Sept. 2019 Drag-Week Winner - N.Y. Legal Streeter - 1956 Chevy Bel-Air, http://www.msnusers.com/Chrisjunque/shoebox.msnw?action=ShowPhoto&PhotoID=2. Jeff Smith: First of all, the CC refers to COMP Cams. The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. I was pretty careful with the float settings etc and it fired right up when put back on! A DOHC is known as a dual overhead cam. Hey Keith, we did some quick sleuthing and your cam MAY be for a BBC Marine (boat) motor application thats been discontinued. This figure is derived by adding the intake center line plus the exhaust center line and dividing by two. This type allows more direct airflow through the engine without having to deal with obstruction. 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. 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. Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. GM was looking for a more powerful engine for the CTS-V and ZL1 Camaros. First Generation Camaro Info and Tech - 1967-1969. The engine needs to function by opening the valve with the help of the camshaft. 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. 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. Step 2 Find the profile or grind number. The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). This will help you get the full details directly from the manufacturing, which requires the model and other factors that need attention. My 1968 Camaro Site. The duration at lash point in degrees (intake/exhaust) is 328/324; duration at .050" tappet lift (intake/exhaust) is 220/220; and . Understanding Cam Design. $426.78. They include: Identifying with your eye. ZL-1, Mark IV3946053.427.97-up4-bolt, Alum. We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. The HI-PO color coded stripes on the camshaft end are green, orange and red. Chevy V8 SBC Block and Head Casting Numbers. 330864: 1968 through 1991 oval port, open chamber, 2.06 in. 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. Discussion in 'The Hokey Ass Message Board' started by indestructableforce, Nov 13, 2012. A 'VE Table' is one of two methods used to control fuel delivery, typically the secondary method with the primary being a MAF (Mass Airflow Sensor). With this intake lobe: 0.328 x 1.7 = 0.5576-inch, which COMProunds off to 0.558-inch. 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. I can't help you in regards to who actually did the final grinding. How Long Does it Take Transmission Fluid to Circulate? It has a taper inside the lobe which ensures the lifter can spin. 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. The engine also had smaller 1-1/8? This is the COMPCams equivalent of the Rosetta stone for cam lobes. I suspect you have . ** Free Shipping for Engines & Transmissions* Learn More; 0; 888.284.7491 . Each family of cam lobes has its own numerical designation with the same basic configuration, usually encompassing multiple individual durations that also might include changes in lobe lift. Any way to to determine the type of cam from the outside? Used on RPO: L86 (1980-1991). This is an involved process, requiring the removal of the engine's front end. diameter *54-55 passenger W/PG, 56-58 passenger. The cam is in very good used condition and will likely be reused. This is what is on the cam, it would not let me past a picture here. You can make a sure bet by just selecting randomly but your engine life will be in big problem. Chevy V8 Casting Number Locations. Its got a great loping idle (big cam?? Drake studied journalism at Southern Connecticut State University. I have no idea whats on the inside. Identifiers: Letter R, CWC, EP1, C4 and E8. From the distribute drive gear down are the folloing markings: CWC, 06, C14, EP1. A Guide To Ford V8 Engine Block Casting Numbers, 1952-1996. Could someone help me identify these cam numbers ? Part Number: Type: DUR @ .050" Lift: C/R: LSA: Usage: 14093643: Hyd. In 1969, it was the cam for the 307/200hp; 327/210hp, 235hp; and 350/250hp, 255hp, 300hp. 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. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. In 1973, it was the cam for the 307/115hp; 350/145hp, 175hp, 190hp; and 400/150hp. Carb number is stamped in this location as well as on an identification tag held on with one of the air . 1954-1955 235 Engine 3835913; 1956-1962 235 Engine 3836848; 1956-1962 261 Engine 3836850 The Fora platform includes forum software by XenForo. I have a fessler roller cam trying to identify the grind specs. 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. PERFORMANCE PARTS | My great WordPress blog. Can you guys help me pick a cam and fix my combo? It doesnt add to the function of the camshaft, nor does it play an important role. A stamp is not a functioning part of a camshaft. There following are ways you can tell a difference: As the name implies, these sets of numbers reveal the model of the camshaft. This same pattern was followed throughout the 1997 production cycle. 4226 what kind of camshaft is it. (Yes or No). .390 .410 310 320 1.50 In 1968, it was the cam for the 307/200hp; 327/210hp, 250hp, 275hp, 300hp; and 350/295hp. However, remember what to do after replacing your camshaft sensor in your car to avoid another frustration. 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. A call to Comp at 1-800-999-0853 will probably give you some more details. I bought a 34 Ford pickup with a 302 installed. A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. In 1969, it was the cam for the 307/200hp; 327/210hp, 235hp; and 350/250hp, 255hp, 300hp. His work has appeared in the "New Haven Register," Medford's "Mail-Tribune" and the "Ashland Daily Tidings." These markings will usually be in the center of the camshaft, obviously in between the valve lobes. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. Im looking into a cam to suit small block ford. Can a Bad Battery Cause a Check Engine Light to Come On? The exhaust number also comes through some time, maybe if you see digits like 266/288; the second shows the exhaust number. Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. What Happens When the Turbo Goes on a Diesel? 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. Any help much appreciated. eBay Product ID (ePID) 2320190292. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. Oct 8, 2010 #2 Z z28rod Veteran Member Apr 30, 2009 4,472 hopewell junction,ny The easiest way to get the best is to check the numbers in between the lobes or boxes. If I rotate the camshaft the other side has markings of AO, D14. Smith began writing for Car Craft magazine in 1979 and became editor in 1984. How to Turn off Daytime Running Lights (Explained), How to Turn Off Headlights While Car is Running. 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. Do not enter the -2 on dual cams part numbers or the (I) that indicates intake or (E) for exhaust. I have a Pontiac camshaft with 960938 number on the backside. Roller: 202/206 .403"/.415" One thing I"m trying to figure out is if the orig cam is still in the car. This number should be on your camshaft, followed by a number of degrees. 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. by Greenlight Mon Nov 10, 2014 6:56 pm. COMP Cams 12-600-4 Thumpr Cam, Small Block Chevy, 2000-5800 RPM. i have a 383 chev engine ibought and would like to know what cam is in it. For a better experience, please enable JavaScript in your browser before proceeding. 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 . Are you a newbie in dealing with cars and you seem not to know how useful a camshaft is and what is used for? Any time you are making this kind of important decision about your engine, it's . SMALL-BLOCK CAMSHAFTS AND COMPONENTS 3896962 Hydraulic flat tappet Duration @ .050" Lift (deg): I: 222 / E: 222 Maximum Lift (in) w/1.5 rocker*: I: .450 / E: .460 Lobe Centerline (deg): 114 Used in 350-/290-HP crate engine 24502476 Hydraulic flat tappet Duration @ .050" Lift (deg): I: 212 / E: 222 Maximum Lift (in) w/1.5 rocker*: I: .435 / E: .460 Which cam are you refering to that helped your son achieve 11.80?
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