If you have ever heard that the new style 235 gets better compression numbers with an "848" Head, look for the last three numbers of that Casting Number. There are other camshafts that can be viewed in this category, they include: SOHC means simple overhead cam. A stamp is not a functioning part of a camshaft. 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 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. 1991 and later Gen.V, VI and VII production BBC motors have one-piece rear main crank seals. Less overlap generally produces a more stable idle while more overlap makes the idle lumpier. CWC is the casting ID for CWC Textron. Small Block Casting numbers Use these casting numbers to identify the exhaust manifolds you have. 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. For instance, if you have numbers like 266H04, the last two digits are the numbers used to show the measurement of the lobes. However, most cams intended for street use are ground with several degrees of advance. The greater number of degrees means there is less overlap between the intake and exhaust lobes. On the shaft the #'s 1539 are stamped in one spot, and CWC is stamped in another spot. If you are confused as to which cam you should buy for your beast, Crane has you covered. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. 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. In 1972, it was the cam for the 307/130hp; and an optional cam for the 350/165hp, 175hp, 200hp; and 400/170hp. 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. Can you tell me the specs on this cam from these numbers? A native of New Haven, Conn., Floyd Drake III began writing in 1984. 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. 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. The Chevy part number for that cam is 3896929. In this case: 108 + 116 = 224 degrees / 2 = 112 degrees. Their outer look tells the difference. Also can i safely run the Xtreme Energy, XR294HR on my 383 Vortec 906 heads and screw studs ? Does Your License and Registration Address Have to Match? Thanks, Gary in N.Y. P.S. Below is some reference data for cylinder head casting numbers with valve sizes, years used, etc. Cheers Bart, I have a cam that is stamped K 7 THEN ABOVE IT IS 1264 321 7273 WHAT DO I HAVE ITS NEW IN BUBBLE WRAP. side, aluminum1010617990350.LT5, ZR1, DOHC, 32-valve, drvs. Run-out on. In 1975, it was the cam for the 350/145hp, 155hp, 165hp; and 400/175hp. 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 have a fessler roller cam trying to identify the grind specs. Oct 8, 2010 #2 Z z28rod Veteran Member Apr 30, 2009 4,472 hopewell junction,ny The "2182" Casting number identifies this camshaft as GM part number 3972182. Now turn the engine clockwise and stop at 0.050 on the opening side of max lift and record the degree wheel reading. engine P/N 10185058. The engine also had smaller 1-1/8? Can You Register a Car with a Bill of Sale and No Title? I have no idea whats on the inside. Chevy V8 Casting Number Locations. To Develop Good Eye Habits While Driving You Should? I dont have any numbers. Looking for 4311-4314-r106 Q 7388-04 CAN ANYONE TELL ME WHERE I CAN LOOK THE SPECS UP! Thank you ,This has been very helpful. Any time you are making this kind of important decision about your engine, it's . 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. Vortec truck, Gen.I crate motors and ZZ4, roller cam, one piece rear seal: 12550592 : 97-up : 350 : crossbolted block, Gen.III, LS1, aluminum: Ford Au part no ! The car came with the two cams you identified above, Stored in cardboard tubes, With the #5054 & date 1971 stamped on tubes. $799.00 +$36.00 shipping. Can Jumpstarting a Car Damage the Alternator? I have a Pontiac camshaft with 960938 number on the backside. I have 3.55 geArs and a 3600 stall. The numbers are just figures a manufacturer uses to identify their products and to track them sometimes. No smoke, but I have not checked compression yet. In 1973, it was the cam for the 307/115hp; 350/145hp, 175hp, 190hp; and 400/150hp. The next information engraved on the cam was HR 114. 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. Cam is in used shape but with little to no wear. This card reveals the basic information you need to identify, properly install, and degree the camshaft in the engine. * 54-55 all 6 cyl except PG, 58 D-D 2 nd design,59 series 3, 60-62 series 10-30,60-61 fleetmaster exc. Inc. Lee's Summit MO. 14088552 Leave a comment at the end of this post if you cannot find the information you want. . (Advanced five degrees; use spring P/N 3970627.) Discussion in 'The Hokey Ass Message Board' started by indestructableforce, Nov 13, 2012. It is a mode of identification used by manufacturers. If it is an original GM part, these numbers will be there. I have a 1969 z28 I bought a few years back from a friend who was orig owner. GM used a forged crankshaft, oil-spray cooled Hypereutectic pistons, and a hydraulic roller camshaft made to handle boost. You need the measurement of the diameter to compare with the database or any online store IDs. For instance, the Duntov cam has a GM part number 3736097 but cast into the camshaft is the number 3736098. 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. 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. Anyone know whos cam this is. The pushrods cam stays above the cylinder, which is always above the combustion chamber. In 1971 he installed a 1965 Corvette fuel injection system. Privacy Policy. The ID number will consist of either eight or nine digits; the last four numbers identify the cam and its specific application. Any info helps, or where I can find. PG,63 4WD 1st series. I just rebuilt the carb as it was pretty dirty and leaked at the accel pump. Casting numbers used on factory 366ci tall deck engines (some used on multiple engines): *ending 328: 1980 through 1991. The engine needs to function by opening the valve with the help of the camshaft. CAM 6964 1969 CAMSHAFT ID. Its got a great loping idle (big cam?? 4485B 4391B HR112+4 R (with a line under the R ) then CC and at the bottom G1979-14. However, remember what to do after replacing your camshaft sensor in your car to avoid another frustration. 52.01.07 Stamp numbers are engraved by the manufacturers to monitor production and distribution. Chevrolet LS7 Camshaft. 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. My 1968 Camaro Site. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. COMPCams uses two-number designations for all its engine families. How to Start a Car with a Blown Head Gasket (Explained). The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). I'll post up a pic as well. i have a 383 chev engine ibought and would like to know what cam is in it. i have a 383 chev engine ibought and would like to know what cam is in it. That gives us our first clue where to look for the rest of the numbers. Small Block Chevy Factory Camshafts . There are 3 different ways to select your camshaft tightly. Check this castingcarefully to determine which features it may have. 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 4.3L LT1 was also referred to as the L99 (not to be confused with the LS variant bearing the same name) Show More Show Less. however, depending on how you want to look at it. $510.45. Using stamped numbers and. How Long Does it Take for Oil to Drain Back into the Pan? Locate the ID number on the camshaft. 366298.4Bowtie, Aluminum, billet main caps, 3.398" bore with sleeves, two piece rear main seal. These markings will usually be in the center of the camshaft, obviously in between the valve lobes. Grind numbers are HR 224/339. The radiator, hoses, timing assembly, belts and fan will need to be removed to access the camshaft. Only thing is the idle mixture screws have little effect (oh no timing pointer either on order) so cant really tell timing. PERFORMANCE PARTS | My great WordPress blog. The easiest way to tell the difference is to check the 8th digit of the Vehicle Identification Number (VIN) on the original vehicle. Thanks for any info I Think its a crane cam but I cant match the stamped numbers anywhere. Carb number is stamped in this location as well as on an identification tag held on with one of the air . To decipher these codes, we accessed COMPs website at compcams.com. On the outside there is a Carter AFB 9637 (625CFM) sitting on an Edelbrock manifold. Why are Volkswagen Oil Changes so Expensive? Contact. Hope weve helped you with a little more camshaft knowledge. . When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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 HR refers to this as a hydraulic roller camshaft while the 114 refers to the lobe separation angle (LSA). Only show this user. Retired GM employee, John Hinckley, an NCRS Master Judge, explains the one number . Getting a camshaft can be a burden on many car owners; it works well when you have the right one. With your cam it might come out to somewhere between 114 to 110 degrees depending on if the cam was machined with advance. . Identifiers: Letter R, CWC, EP1, C4 and E8. 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.

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