gm camshaft identification numbers

This was one of the best selling/most popular cams through the years past! i have a 383 chev engine ibought and would like to know what cam is in it. Any advice? Discussion in 'The Hokey Ass Message Board' started by indestructableforce, Nov 13, 2012. A Solid Lifter Camshaft for 1970 1971 and 1972 Camaro Z28 or Corvette with the 350 LT1 Small Block Motor. I tried searching & googling these markings with no luck. How to Start a Car with a Blown Head Gasket (Explained). No smoke, but I have not checked compression yet. This hydraulic flat tappet "454" is a good street high-performance and marine cam used in the Gen V 454 H.O. Switching to Synthetic Oil After 100k Miles: Pros and Cons. 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. Manufacturer Part Number. 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. . GM is recalling seven. 210/218 at 0.551/0.556 at 113 degrees . Information is premium and can save you from errors and spending excessively. Your email address will not be published. cam 5054 i am still searching for "Three Rules of Work: Out of clutter find simplicity; From discord find harmony; In the middle of . Old school Comp 9000 Mallory Distributor and coil. 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. (Yes or No), Will Hub Centric Rings Stop Vibration? Used on RPO: L86 (1980-1991). CWC is the casting ID for CWC Textron. Only thing is the idle mixture screws have little effect (oh no timing pointer either on order) so cant really tell timing. GEN III vs GEN IV. Thanks for any info I Think its a crane cam but I cant match the stamped numbers anywhere. Can You Register a Car with a Bill of Sale and No Title? It is an eight or nine-digit number. A DOHC is known as a dual overhead cam. There are two easy ways: 1. How to Catch Someone Putting Nails in Your Tires (5 Best Ways), Method 2: You can Identify with Stamp Numbers, what to do after replacing your camshaft sensor in your car. 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. If it is an original GM part, these numbers will be there. Dec 31, 2009. To be sincere, flat tappet just owns the name flat. Chevy V8 Crankshaft Casting Numbers. Show More Show Less. Also can i safely run the Xtreme Energy, XR294HR on my 383 Vortec 906 heads and screw studs ? This an original 1966 283 camshaft casting number is 3732798, hydraulic lifters. To obtain specifications on a Crower cam please enter the part number (00242, 15210, etc) or custom work order number (E23456, A7890, etc) located on the end of the camshaft. 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. 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 . Apr 13, 2014 Yeah, it has CR 760 stamped on the back, and then a date under it. Step 3 Match the number to a Chevrolet camshaft part number listing. 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. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. All of these applications had the same specs as the initial 1967 application. Your camshaft is important; your engine isnt meaningful without the contribution of the Camshaft. Can You Register a Car in a Different Name than on the Title? side, aluminum1022512295350.LT5, ZR1, DOHC, 32-valve, pass. The next two numbers are the valve lift of . Other examples include small block Chevys -12, big block Chevys -11, and 5.0L small block Fords -35. News Chevrolet Performance Releases The Impressive L8T As A Crate Engine . The "2182" Casting number identifies this camshaft as GM part number 3972182. ** Free Shipping for Engines & Transmissions* Learn More; 0; 888.284.7491 . Small Block Crankshaft Casting Numbers Lookup Type your crankshaft casting number in the SEARCH BOX below. 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. The first three-digit number shows the average duration time of the lobes. Remove the camshaft from the engine if necessary. . Camshafts are stamped by the manufacturers as a means of identification. $510.45. Good Day: eBay Product ID (ePID) 2320190292. This method requires you to do a few tasks like measuring some diameters and comparing them to the database. 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. I have a fessler roller cam trying to identify the grind specs. Do not enter the -2 on dual cams part numbers or the (I) that indicates intake or (E) for exhaust. The 4 digit ID on the camshaft core is 1529, which if correct I believe is for a 327 engine. Which cam are you refering to that helped your son achieve 11.80? back of cam has 660 371079 front of cam has s42008L, i have a 572 hemi and i am in the process of pulling the cam but the harmonic damper is being a pain . GM 6930 , 6964 and 5054. Despite the differences, however, an 8.1L camshaft will drop right into a 454 like it belongs there - but it will only run four cylinders. $799.00 +$36.00 shipping. In 1970, it was the cam for the 307/200hp; 350/250hp, 300hp; and 400/265hp. Sept. 2019 Drag-Week Winner - N.Y. Legal Streeter - 1956 Chevy Bel-Air, http://www.msnusers.com/Chrisjunque/shoebox.msnw?action=ShowPhoto&PhotoID=2. 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 There are 3 different ways to select your camshaft tightly. i have a 383 chev engine ibought and would like to know what cam is in it. If you are confused as to which cam you should buy for your beast, Crane has you covered. To Develop Good Eye Habits While Driving You Should? Contact. the 4.3L LT1 was also referred to as the L99 (not to be confused with the LS variant bearing the same name) The radiator, hoses, timing assembly, belts and fan will need to be removed to access the camshaft. I have verified this information with a degree wheel and a dial indicator, 300 degrees @ 0.006 lift, 250 degrees @ 0.050 lift, lift is 0.266 or 0.399 at valve, and LSA of 11.5. 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. 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. 52.01.07 To avoid spinning, roller lifters are lifted together. 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. In 1987, he assumed the role of editor for Hot Rod magazine before returning to his first love of writing technical stories. (Yes or No). Because the camshaft orchestrates the entire valve system, your Chevy won't run properly without it. On the outside there is a Carter AFB 9637 (625CFM) sitting on an Edelbrock manifold. One of the primary differences between the GM GEN 3 and 4 ECMs are how they estimate airflow using VE Tables. .390 .410 310 320 1.50 In 1968, it was the cam for the 307/200hp; 327/210hp, 250hp, 275hp, 300hp; and 350/295hp. They dont add to the function of the camshaft itself. The LS engine is designated 54 and this number is generally the first two numbers that define the actual cam part number. I know that Chevy Casting Numbers are on several sites on the World Wide Web but I thought it would be a good idea to list them here too. 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 . How to Turn off Daytime Running Lights (Explained), How to Turn Off Headlights While Car is Running. Carb number is stamped in this location as well as on an identification tag held on with one of the air . 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. Its got a great loping idle (big cam?? Now turn the engine clockwise and stop at 0.050 on the opening side of max lift and record the degree wheel reading. The EP1 (not EPI) indicates that it was cast for Engine Power Components. Learn more about: Cookie Policy, Will a 50 Inch TV Fit in my Car? His work has appeared in the "New Haven Register," Medford's "Mail-Tribune" and the "Ashland Daily Tidings." Using stamped numbers and. I did a search as well, google and on here. Understanding Cam Design. Canadian made ERTEL brand. As each engine model comes with a specific camshaft, proper identification is key to finding the right one. But this comes at the cost of reduced torque in the middle of the rpm band. The easiest way to tell the difference is to check the 8th digit of the Vehicle Identification Number (VIN) on the original vehicle. motor could have casting number 10112391 or 10112391S that is the service replacement. When referring to LSAs, the larger the number, the more degrees of separation between the intake and exhaust lobes. I have no idea whats on the inside. A good understanding of these factors will assist you in making a wise decision. Step 2 Find the profile or grind number. Does Your License and Registration Address Have to Match? They minimize friction, which ensures the camshaft contains more power. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. In 1972, it was the cam for the 307/130hp; and an optional cam for the 350/165hp, 175hp, 200hp; and 400/170hp. p/n 12560967, .466/.457, 191/190, 114 LSA. The grind number is the ever noted number, far and more recognized than the model number. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. I have 3.55 geArs and a 3600 stall. Small Block Casting numbers Big Block Crankshaft Cylinder Head ID Use these casting numbers to identify the heads you have. It doesnt add to the function of the camshaft, nor does it play an important role. The cam is in very good used condition and will likely be reused. 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. It is typically located in the center of the cam between the lobes. 4270 H11 then letters CC vertically, then CB6554 can you tell me the specs on this cam? Ford Au part no ! 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. Any help much appreciated. 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. Thanks, Gary in N.Y. P.S. 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. There following are ways you can tell a difference: As the name implies, these sets of numbers reveal the model of the camshaft. Step 2 Locate the ID number on the camshaft. Drivetrain: '95 T56, pro 5.0 shifter, hayes clutch, Stock 10 bolt with 3.42's Stamp numbers are engraved by the manufacturers to monitor production and distribution. Less overlap generally produces a more stable idle while more overlap makes the idle lumpier. GM used a forged crankshaft, oil-spray cooled Hypereutectic pistons, and a hydraulic roller camshaft made to handle boost. Personally, I would trash the cam and go buy a new cam and lifter set that you know what the grind is. Thanks, Mike. 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. E.g. I hope it helps you identify the Chevrolet engine parts you are working on. Analog system. Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. Hope weve helped you with a little more camshaft knowledge. BBC Cylinder Head Casting Numbers RECTANGULAR PORT - Valve size 2.19 intake, 1.88 exhaust IP = Intake runner volume OVAL PORT - Valve size 2.06 intake, 1.72 exhaust BBC Camshaft Part Numbers Note 1: 80 deg overlap, 396 375hp L-78/L-89, 427 425/435hp L-71/L-72, 454 450hp LS-6, HP streetof engines we now know as Small Block Chevys. 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. Every engine needs a timing device that can control the opening and closing of the intake and exhaust valves. 366299.4Bowtie, Aluminum, nodular iron splayed caps, wet sump, 4.00" bore389257..302..67.2393288..28365-672460703..350..78.4460776..30578-792460777..30578-792460778..30578-792 or 4, some Canadian assembled heavy duty truck blocks have 4-bolt main caps471511..26779-8223556519.28358-6123703524.265..55.2No oil filter3720991.26556-5723731548.265572No side motor mounts3731548.283572No side motor mounts3737739.28358-6423756519.28358-6223782870.32762-6723789817.28362-6423789817.32762-6723789935.28361-6423790721.28362-642Chevy II recessed oil filter boss3790721.32765-662Chevy II recessed oil filter boss3791362.32762-672Chevy II recessed oil filter boss3792563.327..65.23792582.28364-6523794226.28358-6323794460.32762-6423830944.327..63.23834810.28364-6623834812.28362-6323837739.28358-6223849852.28357-6623849935.28365-6723858174.32764-6723858180.32764-6723858618.35068-7623862194.28365-672Chevy II recessed oil filter boss3862812.28362-6423892657.302..67.2Z-28 Camaro3892657.327..67.23892657.350..67.2Camaro3896944.28366-6723896948.28366-6723903352.327..67.23914636.307..68.23914638.307..68.23914653.30768-7323914660.327..68.23914678.302..68.2Z-28 Camaro3914678.327..68.23914678.350..68.23931174.307..68.2Truck3932371.30769-7323932373.30768-7323932386.302..69.4Z-28 Camaro3932386.327..69.23932386.350..69.2 or 43932388.327..69.23932388.350..69.2 or 43933180.32768-6923951509.40070-7143951509.40074-8023951511.40070-734Some replacement blocks had 2-bolt main caps3956618.302..69.4Z-28 Camaro3956618.32768-6923956618.350..69.2 or 43956632.307..69.23959512.32762-672Was also used for some "CE" replacement blocks3959532.283642Used for some "CE" replacement blocks3959538.327..2Chevy II recessed oil filter boss, Used for some Chevy II "CE" replacement blocks3970010.302..69.4Z-28 Camaro3970010.327..69.2Trucks and industrial3970010.35069-802 or 43970014.35070-762 or 43970020.30769-7323970024.30769-7324715111.305..80.26259425.35069-762, 95509..400.762 bolt have only seen one10036033350..4Goodwrench crate motor, 2-piece rear seal, "Hecho en Mexico"10046164305..86.210049804..4Aluminum, Pontiac Super Duty version of Gen.I SBC, 4.00" bore, 350 mains, 2-piece rear seal, splayed caps, GTP race block10051182..2 or 4Bowtie, 3.75"-4.30" bores, 1 or 2-piece rear seal10051184..4Bowtie, 4.00"-4.155" bores, 1 or 2-piece rear seal1005472735086-up2 or 4one piece rear seal, some "Made in Canada"10066036350..2 or 4Target Master/Goodwrench crate motor, 2-piece rear, seal, "Hecho en Mexico"10066038350..92.4Goodwrench crate motor, 2-piece rear seal, "Hecho en Mexico"10090511350..90.2LT-5, ZR1 Vette, 375hp1012532735092-up2 or 4Gen.II LT-1, reverse flow cooling1012532735096-up2 or 4Gen.II LT-4, reverse flow cooling10134398..4Bowtie, Aluminum, 4.125" bore, 2.65" main journals10134996..4Bowtie, Aluminum, 4.125" bore 2.65" main journals1015355835091-924LT-5, ZR1 Vette, 375hp1016858826594-962L99, Gen.II, 4.3 Liter V-8, Caprice, reverse flow cooling1019900135093-954LT-5, ZR1 Vette, 405hp1024387830596-982Vortec truck, roller cam, one-piece rear seal1024388035095-002 or 4Vortec truck, Gen.I crate motors and "ZZ4", roller cam, one piece rear seal1255059235097-upcrossbolted block, Gen.III, "LS1", aluminum1255135899-upGen.III, 4.8L or 5.3L, cast iron, truck1255136436498-04crossbolted cast iron Gen. III, 6.0L, truck1255937835099-upcrossbolted block, Gen.III, "LS1", aluminum1255984635098-upcrossbolted block, Gen.III, "LS1", aluminum1256062135098-upcrossbolted block, Gen.III, "LS1", aluminum1256062635099-upcrossbolted block, Gen.III, "LS1", aluminum1256062935099crossbolted block, Gen.III, "LS1", aluminum1256116835001-upcrossbolted block, Gen.III, "LS1", aluminum1256217435098-upcrossbolted block, Gen.III, "LS1", aluminum1256895236405-upcrossbolted block, Gen.III, 6.0L, aluminum, LS21256691032504-upcrossbolted block, Gen.III, 5.3L, aluminum, SSR truck1257104832504-upcrossbolted block, Gen.III, 5.3L1257358136498-04crossbolted cast iron, Gen.III, 6.0L, truck1257718436498-04crossbolted cast iron, Gen.III, 6.0L, truck1257739602-upGen.III, 4.8L or 5.3L, cast iron, truck1401020130580-8521401020230580-8521401020330580-8521401020735080-852 or 41401020935080-852 or 41401028026779-822140110643508341401114835087-89.Roller cam, one-piece rear seal1401637626779-8221401637935077-792 or 41401638130580-8421401638230579-8421401638330580-852Truck1407928735086-90.Truck1408852635087-89.Roller cam, one-piece rear seal1408854835086-882 or 41408855130586-872one-piece rear main seal1409362730587-942Roller or flat tappet cam, one-piece rear seal1409363835087-952 or 4Roller or flat tappet cam, one-piece rear seal1409476630586-up2One-piece rear seal1410114730585-up21410114835086-904One-piece rear seal1410205830587-912Roller cam, one-piece rear seal22551656..4Chevy/Olds Rocket block, 4.00"-4.190" bores, 2.45" main journal sizes, splayed caps, dry sump, 2-piece rear seal, 9.025" deck22551660..4Chevy/Olds Rocket block, 4.00"-4.190" bores, 400 mains journal sizes, splayed steel caps, wet sump, raised cam 2-piece rear seal, 9.300" deck.

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