gm camshaft identification numbers

I was pretty careful with the float settings etc and it fired right up when put back on! Speed isnt a problem with a dual camshaft and it increases the engines power. Camshafts Melling offers a full line of OE replacement camshafts for cars, light duty, medium duty and heavy duty trucks. You need the best camshaft that works well with your vehicle. Analog system. (Yes or No). i have a 383 chev engine ibought and would like to know what cam is in it. .390 .410 310 320 1.50 In 1968, it was the cam for the 307/200hp; 327/210hp, 250hp, 275hp, 300hp; and 350/295hp. The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and .328-inch lobe lift. There following are ways you can tell a difference: As the name implies, these sets of numbers reveal the model of the camshaft. (See below.) Stamped on end is Z099, also has three pink dots above that stamping. Camshafts come in a wide array of variations, and Chevrolet has a range of camshafts for different applications, engine sizes and performance specs. 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. $850.12. It is an eight or nine-digit number. 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. Is there any way anyone could hp me out? 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. I have a Street Performance comp cam that was purchased in 2007. 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 more than 4 Camaro's am I Addicted? If the number was 110 degrees, this would increase the amount of overlap. They are widely used and they perform well, which is more affordable than a roller cam. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! i have a 383 chev engine ibought and would like to know what cam is in it. 210/218 at 0.551/0.556 at 113 degrees . Discussion in 'The Hokey Ass Message Board' started by indestructableforce, Nov 13, 2012. 14088552 Leave a comment at the end of this post if you cannot find the information you want. E.g. The chevy part number for that cam is 3896929. It's real easy to spot if the heads are off because of the small 3.74" bore. The Chevy part number for that cam is 3896929. By visual inspection. Reading a Cam Card: Advance I did a search as well, google and on here. Step 3 Match the number to a Chevrolet camshaft part number listing. Match the number to a Chevrolet camshaft part number listing. First Generation Camaro Info and Tech - 1967-1969. 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. 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. 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. (Yes or No). The identification number consists of a seven-to-eight digit code. How to Start a Car with a Blown Head Gasket (Explained). intake and 1.72 in. force 120hz android The GM Ecotec engine, also known by its codename L850, is a family of all-aluminium inline-four engines, displacing between 1.4 and 2.5 litres. journal3.00" stroke3951130.327.forged..medium journal3.25" stroke3951529.400.cast.large journal.3.75" stroke, 10168568265.cast.medium journal3.00" stroke12552215364.cast.medium journal3.62" stroke, Gen. III, 6.0L12552216325,350,364.cast.medium journal3.62" stroke, Gen. III 5.7L LS1, 5.3L, 6.0L12553312293.cast.medium journal, 3.27" stroke, Gen. III, 4.8L12553482293.cast.medium journal, 3.27" stroke, Gen. III, 4.8L14088526305,350cast.medium journal3.48" stroke14088532350.forged..medium journal3.48" stroke14088535305,350cast.medium journal3.48" stroke14088552350.forged..medium journal3.48" strokeZR1, "LT5", 350 DOHC, 10106122350.forged..large 2.76" journal3.66"stroke, BBC TWO PIECE REAR MAIN OIL SEALS 3.76" STROKE used on '65-'90 Mark IV 366T, 396, 402, 427 or 427T, 6223.396,402,427forged, 1053 steel 7115.396,402,427forged, nitrided, cross-drilled, 5140 steel3804816.396,402,427cast3856223.396forged3863114.4023863144.396,4023874874.396,4023879621.427forged3882841.396forged, cross drilled, nitrided3882842.427forged, cross drilled, nitrided3882847.3882848.3882849.427forged3887114.396forged, nitrided, 5140 steel3904815.396,402cast, nodular iron3941180.3942411.3965746.semi finished, forged3993804.raw, 5140 steel, BBC ONE PIECE REAR MAIN OIL SEAL 3.76" STROKE used on '91-up Gen.V and Gen. VI 366T, 427T, 10114186427Tforged, 1053 steel10114187366Tcast10114189427Tcast, TWO PIECE REAR MAIN OIL SEALS 4.00" STROKE used on '70-90 Mark IV 454 or Mark IV 502, 3520.454forged, cross-drilled, 1053 steel3521.454, 502forged, cross-drilled, 5140 steel3524.454forged7416.454, 502forged, cross-drilled, 1053 steel7463.454forged336782..454cast353039..454cast353638..454359730..4543962523.454forged3963523.4543963524.454forged3967416.454forged3967463.454forged3975945.4543963521.454forged, cross drilled, 5140 steel3965753.semi finished, forged, 5140 steel3975495.4543993878.454forged10051169454forged raw casting, ONE PIECE REAR MAIN OIL SEAL 4.00" STROKE used on '91-up Gen.V and VI 454 or 502, 10114188454cast14097044454,502..forged, 1053 steel, 3732692348forged3.25" stroke3733223348forged3.25" stroke3733226348forged3.25" stroke3741640348forged3.25" stroke3741642348forged3.25" stroke3788072409forged3.50" stroke3795589409forged3.50" stroke3824553348forged3.25" stroke3829027409forged3.50" stroke, 3837466409,427 "Z11"forged3.65" stroke3838416409forged3.50" stroke, CASTING#..SIZEYEARMAIN CAP BOLTS.NOTES, 140029..35080-842330817..40072-802355909..262..75.2355909..30576-792360851..26275-762Monza V-8361979..30577-792 or 4, some Canadian assembled heavy duty blocks have 4-bolt main caps, 366245..35078-794Bowtie366286.4Bowtie, siamesed, straight nodular iron main caps, 2-piece seal, 4.00-4.150" bores, 2.45" main journals. COMP Cams 12-600-4 Thumpr Cam, Small Block Chevy, 2000-5800 RPM. Can You Register a Car with a Bill of Sale and No Title? JavaScript is disabled. order on 8.1L big block engines is different than a normal big block. Switching to Synthetic Oil After 100k Miles: Pros and Cons. Can Jumpstarting a Car Damage the Alternator? 25-12. Learn more about: Cookie Policy, Will a 50 Inch TV Fit in my Car? Thanks, Gary in N.Y. P.S. indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. Any help much appreciated. The grind number is the ever noted number, far and more recognized than the model number. 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. 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. How does this compare to the 69 dz 30/30/ cam? Chevy Cam Part Number Location Chevrolet Big Block Camshaft Types Chevrolet installed Three different types of Camshafts on the Big Block Engines. Hey Keith, we did some quick sleuthing and your cam MAY be for a BBC Marine (boat) motor application thats been discontinued. 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. GM is recalling seven. Do You Get a Ticket in the Mail for Passing a School Bus? The greater number of degrees means there is less overlap between the intake and exhaust lobes. 10186060 Hydraulic Flat Tappet "454". The engine also had smaller 1-1/8? Chevy V8 "W" Motor 348-409 Casting Numbers. Chevy Intake Manifolds Do not enter the -2 on dual cams part numbers or the (I) that indicates intake or (E) for exhaust. Used on RPO: L86 (1980-1991). It is typically located in the center of the cam between the lobes. As each engine model comes with a specific camshaft, proper identification is key to finding the right one. 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. The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and 0.328-inch lobe lift. 4270 H11 then letters CC vertically, then CB6554 can you tell me the specs on this cam? Example: 63402A-2 enter 63402A A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. The car came with the two cams you identified above, Stored in cardboard tubes, With the #5054 & date 1971 stamped on tubes. 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. JAMSI is a trusted source of automotive engine parts. diameter (You must log in or sign up to reply here. Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. 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 Chevy part number for that cam is 3896929. 1130.327.forged..mediumjournal3.25" stroke1178.302.forged..medium journal3.00" stroke1181.305,350cast.medium journal3.48" stroke1182.350.forged..medium journal3.48" stroke2680.327.forged..small journal.3.25" stroke2690.350.forged..medium journal3.48" stroke3279.302.forged..medium journal3.00" stroke3474.283.forged..small journal.3.00" stroke, military tank use4577.327.forged..small journal.3.25" stroke4672.327.forged..medium journal3.25" stroke310514..350.cast.medium journal3.48" stroke330550..350.cast.medium journal3.48" stroke354431..262.cast.medium journal3.10" stroke3727449.283.forged..small journal.3.00" stroke3729449.265.forged..small journal.3.00" stroke3734627.327.forged..small journal.3.25" stroke3735236.265,283forged..small journal.3.00" stroke3735263.283.forged..small journal.3.00" stroke3782680.327.forged..small journal.3.25" stroke3814671.327.forged..small journal.3.25" stroke3815822..265,283,302.forged..small journal.3.00" stroke3835236.283.forged..small journal.3.00" stroke3836266.283.forged..small journal.3.00" stroke3848847.283.forged or cast..sm. 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 engine needs to function by opening the valve with the help of the camshaft. 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. The next two numbers are the valve lift of . This sometimes is tagged stressing when you can just tell by looking at numbers, but in the absence of a degree when or dial indicator, an analog is required to make your best decision. On this cam card, you will see the LSA is 112 degrees. Trying to find the specs on this camshaft. Required fields are marked *. 52.01.07 Dec 31, 2009. Some enthusiasts just compare the opening and closing points of the intake with the cam card but this isnt as reliable as the intake centerline method. The suffix provides the. 1954-1955 235 Engine 3835913; 1956-1962 235 Engine 3836848; 1956-1962 261 Engine 3836850 Answer (1 of 4): Most common specs for an engine would be for example. Can I Sell a Car if the Title is not in my Name? Why are Volkswagen Oil Changes so Expensive? Melling listings include OEM applications to match the engine requirements desired including horsepower, economy and needed engine torque. If you are confused as to which cam you should buy for your beast, Crane has you covered. I am partially colorblind so they may be sort of tanish as well. All of these applications had the same specs as the initial 1967 application. We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. It models the airflow for the computer to calculate fuel. .390 .410 310 320 1.50 in 1968, it was the cam for the 307/200hp; 327/210hp, 250hp, 275hp, 300hp; and 350/295hp. Which cam are you refering to that helped your son achieve 11.80? Roller: 202/206 .403"/.415" Crane makes Blueprint camshafts for almost, if not, every GM, Ford, Mopar engine from the sixties and seventies. I dont have any numbers. by Greenlight Mon Nov 10, 2014 6:56 pm. The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). 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. View (5) $203.95 More Info. 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. A good camshaft cannot be underrated, so you need it to make your engine function well. (Yes or No), Will Hub Centric Rings Stop Vibration? The HI-PO color coded stripes on the camshaft end are green, orange and red. You can make a sure bet by just selecting randomly but your engine life will be in big problem. I have a Pontiac camshaft with 960938 number on the backside. (Advanced five degrees; use spring P/N 3970627.) That gives us our first clue where to look for the rest of the numbers. Thanks for any info I Think its a crane cam but I cant match the stamped numbers anywhere. For instance, if you have numbers like 266H04, the last two digits are the numbers used to show the measurement of the lobes. Hey. Stamp numbers are engraved by the manufacturers to monitor production and distribution. Oct 8, 2010 #2 Z z28rod Veteran Member Apr 30, 2009 4,472 hopewell junction,ny The LS . This is the COMPCams equivalent of the Rosetta stone for cam lobes. 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. It has a taper inside the lobe which ensures the lifter can spin. Under that heading toward the bottom we found a tab for the Cam Lobe Master Catalog. Quick View. It helps you know the compatibility of the camshaft to the supposed vehicle you want to use it for. We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. . 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. Re: camshaft identification. The end of the cam is stamped 3709/3711 HR 114 followed by CC and 7661-11. 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. They appear to be a rock arms with a small diameter. This card reveals the basic information you need to identify, properly install, and degree the camshaft in the engine. Chevy V8 BBC Block and Head Casting Numbers. Less overlap generally produces a more stable idle while more overlap makes the idle lumpier. No smoke, but I have not checked compression yet. I have this small block chevy the guy says is a 418 strocker a lifter lifted off at the track but now im looking at the cam and all it has on it is a S then another set of numbers is CH2 ..its a roller set up lifter ar comp cams and so is the rockers but i have no cam spec with car when i got it so im lost . 366298.4Bowtie, Aluminum, billet main caps, 3.398" bore with sleeves, two piece rear main seal. With your cam it might come out to somewhere between 114 to 110 degrees depending on if the cam was machined with advance. The numbers on it are, 3734R/3377R, HR13, I 3996-06. Does OnStar Keep Location History? Chevy V8 Casting Number Locations. However, most cams intended for street use are ground with several degrees of advance. Chevrolet "Stock" LS Camshaft. The easiest way to tell the difference is to check the 8th digit of the Vehicle Identification Number (VIN) on the original vehicle. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. If we didn't already know this was an LS cam, the first thing we would want to do is determine the engine [], it seems like you can barely write,you need education, I bought pair of cams for my 99 mustang 4.6 i was told they are stage 2 cams but i wanted to be sure before taking old ones off can u please help me identify them will they improve my pony thank u very much sir. Camshafts are identified by (usually) the last 4 digits of the part number and a casting symbol. Step 2 Find the profile or grind number. I tried searching & googling these markings with no luck. Step 2 Locate the ID number on the camshaft. With over 35 years of experience in automotive machining, you will not find a more trustworthy and reliable source of parts. The Chevrolet small-block engine is a series of gasoline-powered, V-8 automobile engines, produced by the Chevrolet division of General Motors between 1954 and 2003, using the same basic engine block.Referred to as a "small-block" for its size relative to the physically much larger Chevrolet big-block engines, the small block family spanned from 262 cu in (4.3 L) to 400 cu in (6.6 L) in . This is a COMP Cams timing card. 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.