Thank, Ray. It's a 10168588 casting that had the numbers "4.3" cast on the side, too. Grind numbers are HR 224/339. Car AC Compressor Not Turning On (Causes and Quick Fix). This is what is on the cam, it would not let me past a picture here. After working as a reporter in Oregon, he is now based back home in New Haven. If it is an aftermarket service replacement cam, it may not have the same last 3 digits of the casting number cast between the lobes. 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. 4270 H11 then letters CC vertically, then CB6554 can you tell me the specs on this cam? Quick View. One of the primary differences between the GM GEN 3 and 4 ECMs are how they estimate airflow using VE Tables. 25-12. I have a 1969 z28 I bought a few years back from a friend who was orig owner. The recall affects several models of heavy duty Chevrolet Silverados and GMC Sierras with optional engine block heaters. 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. Only thing is the idle mixture screws have little effect (oh no timing pointer either on order) so cant really tell timing. Analog system. Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. $850.12. GM is recalling seven. Old school Comp 9000 Mallory Distributor and coil. Drivetrain: '95 T56, pro 5.0 shifter, hayes clutch, Stock 10 bolt with 3.42's Now he serves as a regular contributor to OnAllCylinders. It means the valve is open at 255 degrees. 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. 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. The markings on end of cam is 300C6 and X6733. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. What Happens When the Turbo Goes on a Diesel? Crane makes Blueprint camshafts for almost, if not, every GM, Ford, Mopar engine from the sixties and seventies. I purchased a used hydraulic roller camshaft from a friend that was originally used in an LS1 engine. Show More Show Less. $799.00 +$36.00 shipping. The identification number consists of a seven-to-eight digit code. Hope weve helped you with a little more camshaft knowledge. 10186060 Hydraulic Flat Tappet "454". The car came with the two cams you identified above, Stored in cardboard tubes, With the #5054 & date 1971 stamped on tubes. Can a Wheel Speed Sensor Cause Limp Mode? Displacing 2.4 liters in an inline-four configuration, the LEA is part of the Ecotec engine. Dec 31, 2009. Could someone help me identify these cam numbers ? This is an involved process, requiring the removal of the engine's front end. Stamped numbers are 529506 and 031531. Using stamped numbers and. We have it in internal combustion engines and some electric motor speed controllers. The ID number will consist of either eight or nine digits; the last four numbers identify the cam and its specific application. It's real easy to spot if the heads are off because of the small 3.74" bore. ** Free Shipping for Engines & Transmissions* Learn More; 0; 888.284.7491 . It is typically located in the center of the cam between the lobes. How Long to Drive After Reset Computer to Pass Emission Test? I just rebuilt the carb as it was pretty dirty and leaked at the accel pump. A Guide To Ford V8 Engine Block Casting Numbers, 1952-1996. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. Step 2 Find the profile or grind number. I was given a can that has the #s 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. The LS . They are not so much of the speeding type. eBay Product ID (ePID) 2320190292. The radiator, hoses, timing assembly, belts and fan will need to be removed to access the camshaft. 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. Don't forget to follow us on Facebook, and if you run a website or write for a blog, please link to our site! 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. Can You Register a Car with a Bill of Sale and No Title? cam 5054 i am still searching for "Three Rules of Work: Out of clutter find simplicity; From discord find harmony; In the middle of . Can I Sell a Car if the Title is not in my Name? On the outside there is a Carter AFB 9637 (625CFM) sitting on an Edelbrock manifold. GEN III vs GEN IV. CAM 6930 1967 CAMSHAFT ID. To Develop Good Eye Habits While Driving You Should? The model prefix is the first part of the camshaft number, and it describes the vehicle that the camshaft is meant for. diameter 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. Contact. Can a Bad Battery Cause a Check Engine Light to Come On? 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. 330864: 1968 through 1991 oval port, open chamber, 2.06 in. Can you guys help me pick a cam and fix my combo? 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. A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. Your camshaft is important; your engine isnt meaningful without the contribution of the Camshaft. They are widely used and they perform well, which is more affordable than a roller cam. With over 35 years of experience in automotive machining, you will not find a more trustworthy and reliable source of parts. 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. 2. 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. How does this compare to the 69 dz 30/30/ cam? 1014789895-98350.Gen.I crate motor1015955087-953501015955187-953051015955287-953501015955387-953051017438991-94350.LT5, ZR1, DOHC, 32-valve, drvs. 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 PERFORMANCE PARTS | My great WordPress blog. E.g. ). We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. The pushrods cam stays above the cylinder, which is always above the combustion chamber. Show entries Search: Showing 1 to 10 of 46 entries Previous Next Big Block Crankshaft Casting Numbers Lookup Now zero the indicator and turn the engine backward until the dial indicator reads roughly 0.100-inch. The engine needs to function by opening the valve with the help of the camshaft. many years ago! document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. One thing I"m trying to figure out is if the orig cam is still in the car. The end of the cam is stamped 3709/3711 HR 114 followed by CC and 7661-11. A pushrod is a metal tube constructed to transfer the valve motion of a lifter riding on the camshaft directly to the value. They make castings for CMC (Camshaft Machine Corp.) and EPC (Engine Power Components) and others. 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. JavaScript is disabled. This type allows more direct airflow through the engine without having to deal with obstruction. They dont add to the function of the camshaft itself. Ford Au part no ! Camshafts are identified by (usually) the last 4 digits of the part number and a casting symbol. It doesnt add to the function of the camshaft, nor does it play an important role. journal.3.00" stroke3849847.283.forged..small journal.3.00" stroke3876764.283.forged or cast..sm. With this intake lobe: 0.328 x 1.7 = 0.5576-inch, which COMProunds off to 0.558-inch. We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. Also a great fitting cam for the earlier 302 or 327 Solid lifter Hi-Po motors used by Corvette, Nova or Camaro. Locate the ID number on the camshaft. If you are confused as to which cam you should buy for your beast, Crane has you covered. These numbers only describe the functions or tell the specifics of each product. side, aluminum1017439091-95350.LT5, ZR1, DOHC, 32-valve, pass. Step 1 Find the model prefix. It is typically located in the center of the cam between the lobes. i have a 383 chev engine ibought and would like to know what cam is in it. How to Start a Car with a Blown Head Gasket (Explained). If you notice any mistakes or have any additions, use my contact me form and let me know so I can update the list. 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. If I rotate the camshaft the other side has markings of AO, D14. with Jeff Smith: How to Decode a COMP Cams http://www.onallcylinders.com/Jeff Smith: First of all, the CC refers to COMP Cams. They dont own the name flat, but the lobes of roller camshafts are perfectly flat. [] Ask Away! 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. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! Can You Register a Car in a Different Name than on the Title? 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. were used. I can't help you in regards to who actually did the final grinding. All you have to do to determine valve lift is multiply the lobe lift times the rocker ratio. The greater number of degrees means there is less overlap between the intake and exhaust lobes. Thank you, if you can help, send me an e mail and I will send you a picture. So why did this cam not have a lope to it in the 283, from everything I am reading long . *54-55 passenger W/PG, 56-58 passenger. 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. Remove the camshaft from the engine if necessary. It doesn't indicate a different cam or an earlier or later version. This will help you get the full details directly from the manufacturing, which requires the model and other factors that need attention. In 1972, it was the cam for the 307/130hp; and an optional cam for the 350/165hp, 175hp, 200hp; and 400/170hp. The prefix consists of five digits and explains the date and the location of the Chevy's manufacture. This an original 1966 283 camshaft casting number is 3732798, hydraulic lifters. Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. In 1969, it was the cam for the 307/200hp; 327/210hp, 235hp; and 350/250hp, 255hp, 300hp. If you want to know where the intake centerline is located, all you have to do is install the cam in the engine and then degree the cam. 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.