The LS engine is designated 54 and this number is generally the first two numbers that define the actual cam part number. Grind numbers are HR 224/339. Below is some reference data for cylinder head casting numbers with valve sizes, years used, etc. 348/409 Part numbers The engine also had smaller 1-1/8? A good camshaft cannot be underrated, so you need it to make your engine function well. I was given a can that has the #s Analog system. many years ago! $510.45. The Fora platform includes forum software by XenForo. If you notice any mistakes or have any additions, use my contact me form and let me know so I can update the list. Can You Register a Car in a Different Name than on the Title? Step 2 Locate the ID number on the camshaft. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. Camshafts Melling offers a full line of OE replacement camshafts for cars, light duty, medium duty and heavy duty trucks. The HI-PO color coded stripes on the camshaft end are green, orange and red. camshaft identification help???? | Pirate 4x4 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. They are not so much of the speeding type. Thanks, Gary in N.Y. P.S. Less overlap generally produces a more stable idle while more overlap makes the idle lumpier. The 7661-11 is a serial number specific to that camshaft only. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. This advances the intake centerline by that number of degrees. How Long Does it Take Transmission Fluid to Circulate? In 1971 he installed a 1965 Corvette fuel injection system. This card reveals the basic information you need to identify, properly install, and degree the camshaft in the engine. I have Comp Cams camshaft. Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. In 1970, it was the cam for the 307/200hp; 350/250hp, 300hp; and 400/265hp. Crane Cams' Muscle Car Camshaft Guide - EngineLabs In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. 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. This is the COMPCams equivalent of the Rosetta stone for cam lobes. We have it in internal combustion engines and some electric motor speed controllers. Then do the same process with the lobe at 0.050 on the closing side. Can you guys help me pick a cam and fix my combo? Your email address will not be published. How Long Does it Take to Replace a Catalytic Converter? On the outside there is a Carter AFB 9637 (625CFM) sitting on an Edelbrock manifold. They are not flat, and they are recognized with a slight crown on the face. Chevy V8 "W" Motor 348-409 Casting Numbers. Also a great fitting cam for the earlier 302 or 327 Solid lifter Hi-Po motors used by Corvette, Nova or Camaro. 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. General Motors LS-based small-block engine - Wikipedia The EP1 (not EPI) indicates that it was cast for Engine Power Components. That gives us our first clue where to look for the rest of the numbers. How to Identify Unknown Camshaft in 2022 (3 Best Methods) Crower's cam specifications and printable cam card finder 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. Reading a Cam Card: Advance But this comes at the cost of reduced torque in the middle of the rpm band. Camshafts: GM Performance Motor Rear cam bearing journal is etched/engraved Fessler Killer Cams #38 Any info is appreciated. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. camshaft identification - Don Terrill's Speed-Talk The markings on end of cam is 300C6 and X6733. 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. It's a stock cam. 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. What do camshaft numbers mean? - Quora Looking Back At The Famous Duntov Small-Block Chevrolet Camshaft Compare Related Articles. The Chevy part number for that cam is 3896929. 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. Camshaft Guide for Small-Block Chevys: How-To, Tips & Techniques Learn more about: Cookie Policy, Will a 50 Inch TV Fit in my Car? 2. 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. Sept. 2019 Drag-Week Winner - N.Y. Legal Streeter - 1956 Chevy Bel-Air, http://www.msnusers.com/Chrisjunque/shoebox.msnw?action=ShowPhoto&PhotoID=2. Canadian made ERTEL brand. 210/218 at 0.551/0.556 at 113 degrees . The prefix consists of five digits and explains the date and the location of the Chevy's manufacture. The "2182" Casting number identifies this camshaft as GM part number 3972182. I bought a 34 Ford pickup with a 302 installed. Camshafts are identified by (usually) the last 4 digits of the part number and a casting symbol. I have a Street Performance comp cam that was purchased in 2007. 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. Chevy V8 BBC Block and Head Casting Numbers. Also there is a Blue dot just under the distributor drive gear. It doesn't indicate a different cam or an earlier or later version. 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. Hey. The recall affects several models of heavy duty Chevrolet Silverados and GMC Sierras with optional engine block heaters. As each engine model comes with a specific camshaft, proper identification is key to finding the right one. Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. 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. 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. The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and .328-inch lobe lift. Every engine needs a timing device that can control the opening and closing of the intake and exhaust valves. Im looking into a cam to suit small block ford. I hope it helps you identify the Chevrolet engine parts you are working on. All of these applications had the same specs as the initial 1967 application. For a better experience, please enable JavaScript in your browser before proceeding. Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. Roller: 202/206 .403"/.415" . Four or six-cylinder can be attached to the valves. 1963 Chevrolet Corvette L75 327ci 4 SPD RESTORATION 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. However, remember what to do after replacing your camshaft sensor in your car to avoid another frustration. They provide average torque to the valves. I'll post up a pic as well. 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. Under that heading toward the bottom we found a tab for the Cam Lobe Master Catalog. $850.12. How Long Does it Take for Oil to Drain Back into the Pan? 4. Each code will be represented by the SES light flashing, pausing 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. Remove the camshaft from the engine if necessary. It is 8 figured random numbers and sometimes 9 figures with the last 4 numbers identifying the specific function of the Cam Shaft. The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). 1014789895-98350.Gen.I crate motor1015955087-953501015955187-953051015955287-953501015955387-953051017438991-94350.LT5, ZR1, DOHC, 32-valve, drvs. Any info helps, or where I can find. engine P/N 10185058. This will give you the intake centerline. Dec 31, 2009. Thanks, Your email address will not be published. The next two numbers are the valve lift of . It is a mode of identification used by manufacturers. The Fora platform includes forum software by XenForo. A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. .390 .410 310 320 1.50 in 1968, it was the cam for the 307/200hp; 327/210hp, 250hp, 275hp, 300hp; and 350/295hp. Information is premium and can save you from errors and spending excessively. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. *54-55 passenger W/PG, 56-58 passenger. LT1 casting numbers | LS1LT1 Forum Original factory camshaft | Chevy Nova Forum Casting numbers used on factory 366ci tall deck engines (some used on multiple engines): *ending 328: 1980 through 1991. camshaft identification | Hot Rod Forum Cam is in used shape but with little to no wear. It has a taper inside the lobe which ensures the lifter can spin. 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. 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. One of these cams looks unused and the other at best slightly used. p/n 12560967, .466/.457, 191/190, 114 LSA. GM was looking for a more powerful engine for the CTS-V and ZL1 Camaros. GM 3736097 Vintage Duntov Camshaft for sale online | eBay Thank you ,This has been very helpful. The car has all orig drive train, Except for fuel injection and headers. (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. How Long to Drive After Reset Computer to Pass Emission Test? I actually went through several lists and made some corrections before making this list. 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. eBay Product ID (ePID) 2320190292. 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. Inc. Lee's Summit MO. ** Free Shipping for Engines & Transmissions* Learn More; 0; 888.284.7491 . Show More Show Less. ZL-1, 2nd version, Mark IV3955270.427.692 or 4 bolt3955272.396.692 or 4 bolt3955274.366T68-854-bolt3955276.427T68-734-bolt3963512.427.692 or 4 bolt3963512.454.70-762 or 4 bolt3969852.366T68-844-bolt3969854.396.692 or 4 bolt3969854.402.70-722 or 4 bolt3969858.427T68-844-bolt3999289.454.71-792 or 4 bolt, some "CE" replacement blocks had four bolt main caps3999290.396.68-692 or 4 bolt, Truck3999290.402.70-722 or 4 bolt, Truck3999290.402.722 or 4 bolt, Passenger3999293.366T68-904-bolt3999294.427T68-844-bolt100511074544-bolt, Bowtie, MkIV, 9.8" deck, siamesed bores, 4.25" semi-finished bores, can be bored to 4.50"10069282366T90-914-bolt, Mark IV, Tall deck10069284427T..4-bolt, Mark IV, Tall deck10069286454.90-914-bolt, Mark IV, Short deck10114182454.91-up4-bolt, Gen.V10114183366T91-up4-bolt, Gen.V10114184427T91-up4-bolt, Gen.V10134366454T..4-bolt, Bowtie, Gen.V, Tall deck101850504544-bolt, Bowtie, Gen.V, Short deck10237297454.96-up4-bolt, Vortec 7400", "L-29" Gen.VI10237299427T96-up4-bolt, Gen.VI, 7.0L, truck10237300502.96-up4-bolt, Gen.VI, 4.466" bore12550312427T96-up4-bolt, Gen.VI, 4.250" bore, fuel pump boss, clutch linkage pivot boss12550313454.91-up4-bolt, Gen.V crate motor, Gen. VI 4.25" bare block, fuel pump boss12556110496.01-up4-bolt, Gen.VII 8.1L, "Vortec 8100", Truck12561357454.96-up4-bolt, Gen.VI125613585024-bolt, Gen. VI14015443454.87-902 or 4-bolt, Mark IV, Truck, Motorhome14015445454.78-902 or 4 bolt14044807454T..4-bolt, Bowtie, MkIV, CNC prep, Tall deck, 4.25" bore or 4.495" bores, 191659554541996-2001 L29140968595024-bolt, Gen.V, HO245025044544-bolt, Bowtie, Gen.V, Race prep, 9.8 "short" deck height24502506454T..4-bolt, Bowtie, Gen.V, Race prep, 10.2 "tall" deck height245025724-bolt, 4.5" bore Olds DRCE 2, 9.5" deck height255344024-bolt, 4.590" bore Olds DRCE 3, 9.25" deck height. To Develop Good Eye Habits While Driving You Should? Small Block Factory Cams In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. If I rotate the camshaft the other side has markings of AO, D14. How to Start a Car with a Blown Head Gasket (Explained). 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 end of the cam is stamped 3709/3711 HR 114 followed by CC and 7661-11. Chevy V8 Crankshaft Casting Numbers. Chevy . Chevy V8 SBC Block and Head Casting Numbers. 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. One thing I"m trying to figure out is if the orig cam is still in the car. (Advanced five degrees; use spring P/N 3970627.) Knowing the measurement of a lobe separation angle is another special way of telling the difference between camshafts. It is typically located in the center of the cam between the lobes. 0967 is the last four digits of the GM part number. Thanks for any info I Think its a crane cam but I cant match the stamped numbers anywhere. The LEA is an engine produced by General Motors for a wide variety of compact and midsize vehicles. 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. stock chevy cams, and a few similar aftermarket The pushrods cam stays above the cylinder, which is always above the combustion chamber. Check this castingcarefully to determine which features it may have. In 1972, it was the cam for the 307/130hp; and an optional cam for the 350/165hp, 175hp, 200hp; and 400/170hp. For instance, if you have numbers like 266H04, the last two digits are the numbers used to show the measurement of the lobes. It helps you know the compatibility of the camshaft to the supposed vehicle you want to use it for. with Jeff Smith: How to Decode a COMP Cams http://www.onallcylinders.com/Jeff Smith: First of all, the CC refers to COMP Cams. 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.
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