A native of New Haven, Conn., Floyd Drake III began writing in 1984. To avoid spinning, roller lifters are lifted together. SBC Block Casting Numbers. Crane Cams' Muscle Car Camshaft Guide - EngineLabs The identification number consists of a seven-to-eight digit code. Manufacturer Part Number. 1963 Chevrolet Corvette L75 327ci 4 SPD RESTORATION 330864: 1968 through 1991 oval port, open chamber, 2.06 in. 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quote you the numbers from the 1964 "Parts and Accessories Catalog" but, be aware that earlier numbers may exist and be superseded by the ones listed in this catalog. (396 BBC), Is this enough information to get the specs on this cam? The numbers are just figures a manufacturer uses to identify their products and to track them sometimes. 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. 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. CWC is the foundry that cast the cam blank. In the catalog, you will see the cams listed by configuration starting with flat tappet hydraulics and then hydraulic rollerswhich is what we want. 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 . Then do the same process with the lobe at 0.050 on the closing side. There are 3 different ways to select your camshaft tightly. If you notice any mistakes or have any additions, use my contact me form and let me know so I can update the list. Step 3 Match the number to a Chevrolet camshaft part number listing. It's a stock cam. The LS . In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. Run-out on. In 1973, it was the cam for the 307/115hp; 350/145hp, 175hp, 190hp; and 400/150hp. 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. It doesnt add to the function of the camshaft, nor does it play an important role. PG,63 4WD 1st series. 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. News Chevrolet Performance Releases The Impressive L8T As A Crate Engine . They dont add to the function of the camshaft itself. Thank you, if you can help, send me an e mail and I will send you a picture. In 1973, it was the cam for the 307/115hp; 350/145hp, 175hp, 190hp; and 400/150hp. Are you a newbie in dealing with cars and you seem not to know how useful a camshaft is and what is used for? The "2182" Casting number identifies this camshaft as GM part number 3972182. 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. On the home page, we looked for the Information tab and then clicked on Catalogs. 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. Any time you are making this kind of important decision about your engine, it's . Vortec truck, Gen.I crate motors and ZZ4, roller cam, one piece rear seal: 12550592 : 97-up : 350 : crossbolted block, Gen.III, LS1, aluminum: 4. Each code will be represented by the SES light flashing, pausing One of the primary differences between the GM GEN 3 and 4 ECMs are how they estimate airflow using VE Tables. And there is a CR inscribed as well off the lower left A DOHC is known as a dual overhead cam. The only stamped markings on the front are 951758. They minimize friction, which ensures the camshaft contains more power. The LEA is an engine produced by General Motors for a wide variety of compact and midsize vehicles. In 1987, he assumed the role of editor for Hot Rod magazine before returning to his first love of writing technical stories. I have a cam I need to Id I need the specs and if its a solid or hydraulic its a ua9450 a4250h11 can someone help me with this I am building this junk yard over night Grease monkey maid 10/4 I need it if possible, I have a bbf429 numbers on rear of cam359356 can you tell me what cam I have. no idea) and only pulls about 10psi vac at idle. 25-12. Since 2003, Jeff has held various positions at Car Craft (including editor), has written books on small block Chevy performance, and even cultivated an impressive collection of 1965 and 1966 Chevelles. With over 35 years of experience in automotive machining, you will not find a more trustworthy and reliable source of parts. 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. Getting a camshaft can be a burden on many car owners; it works well when you have the right one. I actually went through several lists and made some corrections before making this list. LT1 casting numbers | LS1LT1 Forum With this intake lobe: 0.328 x 1.7 = 0.5576-inch, which COMProunds off to 0.558-inch. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. 366298.4Bowtie, Aluminum, billet main caps, 3.398" bore with sleeves, two piece rear main seal. 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. In 1972, it was the cam for the 307/130hp; and an optional cam for the 350/165hp, 175hp, 200hp; and 400/170hp. 1014789895-98350.Gen.I crate motor1015955087-953501015955187-953051015955287-953501015955387-953051017438991-94350.LT5, ZR1, DOHC, 32-valve, drvs. I hope it helps you identify the Chevrolet engine parts you are working on. A Guide To Ford V8 Engine Block Casting Numbers, 1952-1996. Stock GM LS engine cams feature LSA anywhere from 116 to 121 degrees because GM is concerned with creating a very smooth idle. Information is premium and can save you from errors and spending excessively. Thank, Ray. How Long Does it Take to Replace a Catalytic Converter? Their outer look tells the difference. . A stamp is not a functioning part of a camshaft. Used on RPO: L86 (1980-1991). Cam is in used shape but with little to no wear. Any help much appreciated. The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and 0.328-inch lobe lift. It is typically located in the center of the cam between the lobes. 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. 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. Carb number is stamped in this location as well as on an identification tag held on with one of the air . Grind numbers are HR 224/339. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. For as simple as this product appears, it is actually a very complicated piece of engineering if you study it closely. How To Read Engine Block Numbers | Crate Engine Supplies 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. While these engines were based on the GM Family II engine, the architecture was substantially re-engineered for the new Ecotec application produced since 2000. Different chamber volumes, port volumes, port locations, valve sizes, etc. 366T/427T engines - Tradecraft Specialties We would like to thank everyone that has contributed to the data provided on this site. How Long to Drive After Reset Computer to Pass Emission Test? Oct 8, 2010 #2 Z z28rod Veteran Member Apr 30, 2009 4,472 hopewell junction,ny However, remember what to do after replacing your camshaft sensor in your car to avoid another frustration. Less overlap generally produces a more stable idle while more overlap makes the idle lumpier. . 139536 93B2B, I have a solid roller cam has cc 950 k5462 r6 292-5 296-6 stamped on front help with specs, I am just trying to decode the cam out of my 400m. 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. Anyone have any idea what make and specs are of this cam? Camshaft Identification help | NastyZ28.com The engine also had smaller 1-1/8? All of these applications had the same specs as the initial 1967 application. Camshaft Specifications and Terminology - Speedway Motors 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. ZL-1, Mark IV3946053.427.97-up4-bolt, Alum. Any info helps, or where I can find. For a better experience, please enable JavaScript in your browser before proceeding. Using stamped numbers and. Anyone know whos cam this is. His work has appeared in the "New Haven Register," Medford's "Mail-Tribune" and the "Ashland Daily Tidings." It has a taper inside the lobe which ensures the lifter can spin. View (5) $203.95 More Info. Displacing 2.4 liters in an inline-four configuration, the LEA is part of the Ecotec engine. journal.3.00" stroke3849847.283.forged..small journal.3.00" stroke3876764.283.forged or cast..sm. Hey. To decipher these codes, we accessed COMPs website at compcams.com. It is an eight or nine-digit number. To Develop Good Eye Habits While Driving You Should? The Fora platform includes forum software by XenForo. i have a 383 chev engine ibought and would like to know what cam is in it. I have Comp Cams camshaft. Thanks, Mike. CHEVY CASTING NUMBERS - enginerepairshop.com Camshafts are identified by (usually) the last 4 digits of the part number and a casting symbol. Retired GM employee, John Hinckley, an NCRS Master Judge, explains the one number . The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. I only put the numbers here that I can prove, so this is a short list. They make castings for CMC (Camshaft Machine Corp.) and EPC (Engine Power Components) and others. Personally, I would trash the cam and go buy a new cam and lifter set that you know what the grind is. The model prefix is the first part of the camshaft number, and it describes the vehicle that the camshaft is meant for. (Advanced five degrees; use spring P/N 3970627.) 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 stock chevy cams, and a few similar aftermarket Chevy Camshaft Identification - Club Hot Rod Forums I can't help you in regards to who actually did the final grinding. At one time they supplied 85% of the blanks in the world. It's a 10168588 casting that had the numbers "4.3" cast on the side, too. Looking for 4311-4314-r106 Q 7388-04 CAN ANYONE TELL ME WHERE I CAN LOOK THE SPECS UP! There are 3 different ways to select your camshaft tightly. 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. Step 2 Locate the ID number on the camshaft. That gives us our first clue where to look for the rest of the numbers. ). Example: 63402A-2 enter 63402A JAMSI is a trusted source of automotive engine parts. Match the number to a Chevrolet camshaft part number listing. A good camshaft cannot be underrated, so you need it to make your engine function well. Can I Drive my Mercedes With Check Engine Light On? In this case: 108 + 116 = 224 degrees / 2 = 112 degrees. I bought a 34 Ford pickup with a 302 installed. with Jeff Smith: How to Decode a COMP Cams http://www.onallcylinders.com/Jeff Smith: First of all, the CC refers to COMP Cams. 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. Camshafts - Melling Privacy Policy. If we didnt already know this was an LS cam, the first thing we would want to do is determine the engine family. GM 3736097 Vintage Duntov Camshaft for sale online | eBay intake and 1.72 in. It was later decided to build a supercharged version of the LS3 and it has less compression at 9:1:1 to run safer under boost. 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. Answer (1 of 4): Most common specs for an engine would be for example. This advances the intake centerline by that number of degrees. This card reveals the basic information you need to identify, properly install, and degree the camshaft in the engine. Identifiers: Letter R, CWC, EP1, C4 and E8. The Chevrolet Big Block Camshaft Part Numbers - WOW Muscle Cars 1954-1955 235 Engine 3835913; 1956-1962 235 Engine 3836848; 1956-1962 261 Engine 3836850 Chevy V8 BBC Block and Head Casting Numbers. I dont have any numbers. There following are ways you can tell a difference: As the name implies, these sets of numbers reveal the model of the camshaft. A Solid Lifter Camshaft for 1970 1971 and 1972 Camaro Z28 or Corvette with the 350 LT1 Small Block Motor. Nov 20, 2018 MID 136 SID 1 Parameter: Wheel speed sensor, axis 1 The recall affects several models of heavy duty Chevrolet Silverados and GMC Sierras with optional engine block heaters. Gen III/IV LS Engine ID Guide - Speedway Motors In 1969, it was the cam for the 307/200hp; 327/210hp, 235hp; and 350/250hp, 255hp, 300hp. How Long Does it Take for Oil to Drain Back into the Pan? (Yes or No). order on 8.1L big block engines is different than a normal big block. But this comes at the cost of reduced torque in the middle of the rpm band. 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.