Chevy V8 Casting Number Locations. 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. Personally, I would trash the cam and go buy a new cam and lifter set that you know what the grind is. Do You Get a Ticket in the Mail for Passing a School Bus? Big Block Chevy Cam Identification - Engine Builder Magazine E.g. The prefix consists of five digits and explains the date and the location of the Chevy's manufacture. View (5) $203.95 More Info. When referring to LSAs, the larger the number, the more degrees of separation between the intake and exhaust lobes. Chevrolet LS7 Camshaft. 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. In 1971 he installed a 1965 Corvette fuel injection system. engine P/N 10185058. Stamped numbers are 529506 and 031531. After working as a reporter in Oregon, he is now based back home in New Haven. The engine needs to function by opening the valve with the help of the camshaft. They include: Identifying with your eye. A pushrod is a metal tube constructed to transfer the valve motion of a lifter riding on the camshaft directly to the value. 1 BTC 42 ABC 223 30 BTC 80 ABC 290 .298 .447 114 1.5 HYD EXH. Thanks, Gary in N.Y. P.S. On the shaft the #'s 1539 are stamped in one spot, and CWC is stamped in another spot. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Any time you are making this kind of important decision about your engine, it's . The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). That number is actually the casting number of the camshaft, not the part number. I am partially colorblind so they may be sort of tanish as well. Reference: Chevy Engine Block Casting Numbers - Chevy Hardcore GM used a forged crankshaft, oil-spray cooled Hypereutectic pistons, and a hydraulic roller camshaft made to handle boost. Every engine needs a timing device that can control the opening and closing of the intake and exhaust valves. 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quote you the numbers from the 1964 "Parts and Accessories Catalog" but, be aware that earlier numbers may exist and be superseded by the ones listed in this catalog. How Long Does it Take for Oil to Drain Back into the Pan? Camshafts: GM Performance Motor We would like to thank everyone that has contributed to the data provided on this site. $510.45. Only show this user. 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. 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. What Happens When the Turbo Goes on a Diesel? The pushrods cam stays above the cylinder, which is always above the combustion chamber. A good understanding of these factors will assist you in making a wise decision. Need help Identifying CWC Camshaft | Team Chevelle Chevy LSX454 Camshaft. The next two numbers are the valve lift of . There are currently just five LT engines, including the LT-based 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. How Long Does it Take Transmission Fluid to Circulate? Knowing the measurement of a lobe separation angle is another special way of telling the difference between camshafts. i have some stamps on the cam that i can see EP236 and CWC can these be used to idetify the cam. 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. This is a job for professionals and the mechanically-inclined. In 1987, he assumed the role of editor for Hot Rod magazine before returning to his first love of writing technical stories. COMP Cams 12-600-4 Thumpr Cam, Small Block Chevy, 2000-5800 RPM. Good Day: 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. We investigated a couple of our Comp off-the-shelf LS cams and found they were ground with 5 degrees of advance, but that is no guarantee that your camshaft is ground that way. 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. It helps you know the compatibility of the camshaft to the supposed vehicle you want to use it for. Lift of tested lobe could be .300" before wear. These numbers only describe the functions or tell the specifics of each product. In 1969, it was the cam for the 307/200hp; 327/210hp, 235hp; and 350/250hp, 255hp, 300hp. i have a 383 chev engine ibought and would like to know what cam is in it. *54-55 passenger W/PG, 56-58 passenger. The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and .328-inch lobe lift. Also can i safely run the Xtreme Energy, XR294HR on my 383 Vortec 906 heads and screw studs ? Part Number: Type: DUR @ .050" Lift: C/R: LSA: Usage: 14093643: Hyd. CWC camshaft identification | Team Chevelle 1963 Chevrolet Corvette L75 327ci 4 SPD RESTORATION exhaust valves. Can I Sell a Car if the Title is not in my Name? Different chamber volumes, port volumes, port locations, valve sizes, etc. 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. We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. In the catalog, you will see the cams listed by configuration starting with flat tappet hydraulics and then hydraulic rollerswhich is what we want. His work has appeared in the "New Haven Register," Medford's "Mail-Tribune" and the "Ashland Daily Tidings." Looks to have stock cast iron heads and exhaust. Less overlap generally produces a more stable idle while more overlap makes the idle lumpier. Roller: 202/206 .403"/.415" $426.78. My 1968 Camaro Site. (Yes or No). 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 8th digit of the VIN. Now zero the indicator and turn the engine backward until the dial indicator reads roughly 0.100-inch. Trying to find the specs on this camshaft. 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. Analog system. JavaScript is disabled. 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. CAST3736098. Contact. 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. 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. On the home page, we looked for the Information tab and then clicked on Catalogs. It's for a 99-04 truck. however, depending on how you want to look at it. Anyone know whos cam this is. 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. The Chevy part number for that cam is 3896929. (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. The second lobe number 3711 refers to the same family of lobesthis one specd at 269 degrees advertised with 216 degrees at 0.050-inch tappet lift with a lobe lift of 0.330 and a theoretical valve lift of 0.561-inch. I have a Pontiac camshaft with 960938 number on the backside. 2. Gen III/IV LS Engine ID Guide - Speedway Motors Run-out on. The only stamped markings on the front are 951758. ZL-1, Mark IV3946053.427.97-up4-bolt, Alum. Compare Related Articles. Quick View. p/n 12560967, .466/.457, 191/190, 114 LSA. Camshafts: GM Performance Motor Any help much appreciated. 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). 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 . 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. (Yes or No). The ID number will consist of either eight or nine digits; the last four numbers identify the cam and its specific application. Your email address will not be published. It has a taper inside the lobe which ensures the lifter can spin. But this comes at the cost of reduced torque in the middle of the rpm band. Chevrolet "Stock" LS Camshaft. This is the COMPCams equivalent of the Rosetta stone for cam lobes. 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. 52.01.07 I'll post up a pic as well. You can basically find it in the center of the cam between the lobes. 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. Retired GM employee, John Hinckley, an NCRS Master Judge, explains the one number . Camshaft Identification - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. Once we found the hydraulic roller section, the first column lists each lobe by number. In 1969, it was the cam for the 307/200hp; 327/210hp, 235hp; and 350/250hp, 255hp, 300hp. Jeff Smith: First of all, the CC refers to COMP Cams. Im looking into a cam to suit small block ford. 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. 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. The numbers engraved in the body part of the camshaft are called the Stamped number or casting number. You can make a sure bet by just selecting randomly but your engine life will be in big problem. [] Ask Away! Melling listings include OEM applications to match the engine requirements desired including horsepower, economy and needed engine torque. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. 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. CAMSHAFT SPECIFICATIONS Part No. Crankshaft Identification Use these casting numbers to identify the crankshaft you have. 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. ** Free Shipping for Engines & Transmissions* Learn More; 0; 888.284.7491 . Camshaft Specifications and Terminology - Speedway Motors 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. I can't help you in regards to who actually did the final grinding. 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. You need the best camshaft that works well with your vehicle. There are at least 6 different versions as of 11/99. 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. Can you tell me the specs on this cam from these numbers? (396 BBC), Is this enough information to get the specs on this cam? When you purchase through links on our site, we may earn an affiliate commission, which supports our community. To be sincere, flat tappet just owns the name flat. Hi, I have a cam that trying to figure out the specs on. Differences and Applications of GM ECMs (GEN III, IV, & V) However, remember what to do after replacing your camshaft sensor in your car to avoid another frustration. Inc. Lee's Summit MO. E A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. side, aluminum1017439091-95350.LT5, ZR1, DOHC, 32-valve, pass. i have a 383 chev engine ibought and would like to know what cam is in it. Show entries Search: Showing 1 to 10 of 46 entries Previous Next Big Block Crankshaft Casting Numbers Lookup It's a stock cam. ). 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. 1991 and later Gen.V, VI and VII production BBC motors have one-piece rear main crank seals. SBC Block Casting Numbers. Why are Volkswagen Oil Changes so Expensive? Camshafts are stamped by the manufacturers as a means of identification. The 7661-11 is a serial number specific to that camshaft only. Camshafts - Melling These markings will usually be in the center of the camshaft, obviously in between the valve lobes. DOHC is a production to improve the volumetric of the internal combustion engine in which it has more power than a simple overhead cam. General Motors LS-based small-block engine - Wikipedia There are other camshafts that can be viewed in this category, they include: SOHC means simple overhead cam. For a better experience, please enable JavaScript in your browser before proceeding. However, most cams intended for street use are ground with several degrees of advance. SMALL-BLOCK CAMSHAFTS AND COMPONENTS - Chevrolet Their outer look tells the difference. Step 1 Find the model prefix. Used on RPO: L86 (1980-1991). In 1998, head c/n 24575507 arrived with a heart-shaped combustion chamber against a D shape. Its got a great loping idle (big cam?? Carb number is stamped in this location as well as on an identification tag held on with one of the air . 4485B 4391B HR112+4 R (with a line under the R ) then CC and at the bottom G1979-14. Original factory camshaft | Chevy Nova Forum 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. Dec 31, 2009. I was pretty careful with the float settings etc and it fired right up when put back on! Any advice? 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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