diameter many years ago! 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. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. Privacy Policy. A good camshaft cannot be underrated, so you need it to make your engine function well. A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). The only thing we dont know from these number is the cams intake centerline. $510.45. Chevy V8 SBC Block and Head Casting Numbers. by Greenlight Mon Nov 10, 2014 6:56 pm. COMP Cams 12-600-4 Thumpr Cam, Small Block Chevy, 2000-5800 RPM. A pushrod is a metal tube constructed to transfer the valve motion of a lifter riding on the camshaft directly to the value. I suspect you have . However, most cams intended for street use are ground with several degrees of advance. If you are confused as to which cam you should buy for your beast, Crane has you covered. Can You Register a Car with a Bill of Sale and No Title? Looking for 4311-4314-r106 Q 7388-04 CAN ANYONE TELL ME WHERE I CAN LOOK THE SPECS UP! CWC is the casting ID for CWC Textron. For instance, if you have numbers like 266H04, the last two digits are the numbers used to show the measurement of the lobes. 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. Looks to have stock cast iron heads and exhaust. Small Block Crankshaft Casting Numbers Lookup Type your crankshaft casting number in the SEARCH BOX below. Can a Wheel Speed Sensor Cause Limp Mode? 49 BBC -6 ATC 223 78 BBC 32 ATC 290 .298 .447 . Used on RPO: L86 (1980-1991). 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. You can basically find it in the center of the cam between the lobes. were used. Quick View. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The pushrods cam stays above the cylinder, which is always above the combustion chamber. Step 1 Find the model prefix. We compared these specs to the catalog and because there is no list number on the end of the cam, we will assume this was a custom-ground camshaft. If we didnt already know this was an LS cam, the first thing we would want to do is determine the engine family. Do You Get a Ticket in the Mail for Passing a School Bus? On this cam card, you will see the LSA is 112 degrees. $850.12. Chevy V8 BBC Block and Head Casting Numbers. 2. This number should be on your camshaft, followed by a number of degrees. Sept. 2019 Drag-Week Winner - N.Y. Legal Streeter - 1956 Chevy Bel-Air, http://www.msnusers.com/Chrisjunque/shoebox.msnw?action=ShowPhoto&PhotoID=2. Remove the camshaft from the engine if necessary. The numbers on it are, 3734R/3377R, HR13, I 3996-06. I hope it helps you identify the Chevrolet engine parts you are working on. The LEA is an engine produced by General Motors for a wide variety of compact and midsize vehicles. Match the number to a Chevrolet camshaft part number listing. It doesnt add to the function of the camshaft, nor does it play an important role. Your camshaft is important; your engine isnt meaningful without the contribution of the Camshaft. Other examples include small block Chevys -12, big block Chevys -11, and 5.0L small block Fords -35. Lift of tested lobe could be .300" before wear. 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. Rear cam bearing journal is etched/engraved Fessler Killer Cams #38 Any info is appreciated. In 1970, it was the cam for the 307/200hp; 350/250hp, 300hp; and 400/265hp. The GM tube has the ID number as 3863151 which correlates to a L79 Cam however the stamping at the end is 920883. In this case: 108 + 116 = 224 degrees / 2 = 112 degrees. Compare Related Articles. 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. Can I Drive my Mercedes With Check Engine Light On? 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. In the catalog, you will see the cams listed by configuration starting with flat tappet hydraulics and then hydraulic rollerswhich is what we want. It is a mode of identification used by manufacturers. The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. Speed isnt a problem with a dual camshaft and it increases the engines power. GEN III vs GEN IV. Any way to to determine the type of cam from the outside? 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). journal.3.00" stroke3849847.283.forged..small journal.3.00" stroke3876764.283.forged or cast..sm. 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 . The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and .328-inch lobe lift. 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. It models the airflow for the computer to calculate fuel. It means the valve is open at 255 degrees. Ford Au part no ! The Fora platform includes forum software by XenForo. The markings on end of cam is 300C6 and X6733. If I rotate the camshaft the other side has markings of AO, D14. Retired GM employee, John Hinckley, an NCRS Master Judge, explains the one number . For as simple as this product appears, it is actually a very complicated piece of engineering if you study it closely. With your cam it might come out to somewhere between 114 to 110 degrees depending on if the cam was machined with advance. Dec 31, 2009. These numbers only describe the functions or tell the specifics of each product. The 7661-11 is a serial number specific to that camshaft only. The car came with the two cams you identified above, Stored in cardboard tubes, With the #5054 & date 1971 stamped on tubes. Installing a Timing Belt on Ford Ranger chevrolet image by Eduard Shelesnjak from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. Four or six-cylinder can be attached to the valves. Drivetrain: '95 T56, pro 5.0 shifter, hayes clutch, Stock 10 bolt with 3.42's Old school Comp 9000 Mallory Distributor and coil. Drake studied journalism at Southern Connecticut State University. The engine also had smaller 1-1/8? PERFORMANCE PARTS | My great WordPress blog. 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. 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. In 1971 he installed a 1965 Corvette fuel injection system. 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. 4485B 4391B HR112+4 R (with a line under the R ) then CC and at the bottom G1979-14. In 1975, it was the cam for the 350/145hp, 155hp, 165hp; and 400/175hp. Quick View. 14088552 Leave a comment at the end of this post if you cannot find the information you want. I have no idea whats on the inside. They are the flat tappet and roller camshaft. News Chevrolet Performance Releases The Impressive L8T As A Crate Engine . Can you tell me the specs on this cam from these numbers? JavaScript is disabled. Re: camshaft identification. Now turn the engine clockwise and stop at 0.050 on the opening side of max lift and record the degree wheel reading. $426.78. Learn more about: Cookie Policy, Will a 50 Inch TV Fit in my Car? intake and 1.72 in. Is there any way anyone could hp me out? The Chevy part number for that cam is 3896929. 330864..68-84ovalOPEN396, 402, 366T, 427T, 454 Truck330865..68-84ovalOPEN396, 402, 366T, 427T, 454 Truck330866..68-78ovalOPEN366T, 427T330867..68-73ovalOPEN427T336765..68-78ovalOPEN427T336768..73-76ovalOPEN427T336781..73-85ovalOPEN454, 118cc chamber, 256/114cc ports343771..68-86ovalOPEN366T, 427T, 454343772..68-86ovalOPEN366T, 427T, 454343783..70-76ovalOPEN454 Truck346236..75-87ovalOPEN454, 120cc chamber, 225/116cc ports352625..70-76ovalOPEN454 Truck353049..73-84ovalOPEN454, 122cc chamber, 255/119cc ports366765..74-78ovalOPEN427T473328..68-69ovalOPEN366T3856206.65-66oval..CLOSED..396, 97cc chamber3856208.65rect..CLOSED..396/425hp, 109cc chamber 396/375hp "Z-16" Chevelle3856213.66-82oval..CLOSED..366T, 427T3856260.68oval..CLOSED..396 Truck3872702.65-66oval..CLOSED..396, 427, 98cc chamber3873858.65-67rect..CLOSED..396, 427, 109cc chamber3876875.77-85ovalOPEN427T3904390.67oval..CLOSED..396, 427, 98cc chamber3904391.67rect..CLOSED..396, 427, 107cc chamber3904392.67rect..CLOSED..427, Aluminum, L88, L89, 107cc chamber3904393.68-76ovalOPEN366T3908952.67ovalOPEN427, "M.Truck", Marine3909802.67oval..CLOSED..396, 427, 101cc chamber3917215.67-68oval..CLOSED..396, 427, 101cc chamber3917219.68-85ovalOPEN366T, 427T3919840.67-69rect..CLOSED..396, 427,107cc chamber3919842.68-69rect..CLOSED..396, 427, Aluminum L88, L89, 107cc chamber3931063.68-69oval..CLOSED..396, 402, 427, 101cc chamber3933148.69-84ovalOPEN'69 396/265hp, 366T, 427T, 112cc chamber3933149.68-76ovalOPEN427T, 122cc chamber3935401.68-76ovalOPEN427T3946074.69&71rectOPEN'69 427 L88, ZL1, Aluminum, 118cc chamber '71 454 LS6, "round exhaust port"3964290.69-70oval..CLOSED..396, 402, 427, 454, 101cc chamber Large or small hex spark plugs used3964291.69-72rect..CLOSED..396, 402, 427, 454, 109cc chamber, Large or small hex spark plugs used, crate motor usage in years after 1970.3965198.68-69oval..CLOSED..396 Truck3975950.68-70ovalOPEN396, 402 Truck, 366T, 427T3986133.68-85ovalOPEN366T, 427T, 454 Truck3986135.69-73ovalOPEN366T, 427T3986136.68-84ovalOPEN366T, 427T, 454 Truck3993820.71ovalOPEN402, 113cc chamber, 255/114 ports3993820.71-84ovalOPEN454 Passenger and Trucks, 113cc chamber, 255/114 ports3994026.71rectOPEN454 LS6, 118cc chamber3999241.72ovalOPEN402, 454, 113cc chamber, 6272292.70-78ovalOPEN402, 4546272990.70-uprectOPEN454 service replacement, used on some MKIV crate engines, 118cc chamber10045427..rect.Pontiac/Chevy Aluminum, 91cc chamber Large Port, race10049875..rect.Pontiac/Chevy Aluminum Small port, race10051128..rect.Bowtie, Aluminum 72cc chambers Symmetrical ports10051129..rect.Bowtie, Aluminum "raw" casting, Symmetrical ports10052902..ovalOPENMkIV, 427T1010114091-upoval..CLOSED..Gen.V 366T, 427T1011415691-upovalOPENGen.V & VI 454, 118cc chamber1014127996-upoval..CLOSED.."Vortec 7400", 100cc chambers1048705277-90ovalOPEN366T1236339196-upovalOPENBowtie, Aluminum, Signature Series, fits MKIV, Gen.V, Gen.VI, 110cc chamber1236340196-uprectOPENBowtie, Aluminum, Signature Series, fits MKIV, Gen.V, Gen.VI, 118cc chamber1255816201-upoval..CLOSED..Gen.VII,"Vortec 8100", 8.1L, 496, truck1256024198-upoval..CLOSED.."Vortec 7400", 100cc chambers1256293291-95ovalOPENGen.V, truck crate motor, 118cc chambers1256293391-95ovalOPENGen.V, 118cc chambers1256293400-uprectOPENGen.VI 502 Marine1401107769-uprectOPENAluminum, fits MKIV, "C-port" 118cc chamber, also sold as a "solid" head1404486184-96rect.Bowtie, Aluminum, MkIV, "raised runners", 1st design, 105cc chamber1404486196-uprect.Bowtie, Aluminum, Signature Series, fits MKIV, Gen.V, Gen.VI "raised runners", 2nd design, 115cc chamber1404486184-96rect.Bowtie, Aluminum, MkIV "raw" casting of "861" MKIV 1st design1408104578-87ovalOPEN4541408105285-87ovalOPEN366T, 427T, 454 Truck, Marked "HiPerf"1409235986-90ovalOPEN366T, 427T, Marked "HiPerf"1409236086-90ovalOPEN454 Truck, "peanut" round ports1409618870-71rectOPEN454 service replacement, also used on later Mark IV LS-6, LS-7 and 454 HO crate motors, 116cc chamber1409708891-uprectOPENGen.V 454/502 HO, 118cc chamber2450258597rect.Olds/Chevy, DRCE 2, Pro Stock aluminum, for blocks w/4.900" bore spacing2553440404rect.Olds/Chevy, DRCE 3, Pro Stock, aluminum, for blocks with 4.900" bore spacing, Oval includes both "peanut" (also called "round") ports and large oval ports, Copyright EngineRepairShop.com 2011-2023 Privacy Policy Disclaimer.