The engine needs to function by opening the valve with the help of the camshaft. GM is recalling seven. Manufacturer Part Number. Only show this user. Oct 8, 2010 #2 Z z28rod Veteran Member Apr 30, 2009 4,472 hopewell junction,ny CAM 6964 1969 CAMSHAFT ID. On this cam card, you will see the LSA is 112 degrees. Its got a great loping idle (big cam?? 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. A roller camshaft has its wheel attached to the bottom of the lifters body. *54-55 passenger W/PG, 56-58 passenger. They are not flat, and they are recognized with a slight crown on the face. At one time they supplied 85% of the blanks in the world. The duration at lash point in degrees (intake/exhaust) is 328/324; duration at .050" tappet lift (intake/exhaust) is 220/220; and . How to Turn off Daytime Running Lights (Explained), How to Turn Off Headlights While Car is Running. How Long Does it Take Transmission Fluid to Circulate? 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. News Chevrolet Performance Releases The Impressive L8T As A Crate Engine . I can't help you in regards to who actually did the final grinding. The numbers engraved in the body part of the camshaft are called the Stamped number or casting number. It models the airflow for the computer to calculate fuel. CWC is the foundry that cast the cam blank. The Vehicle's Service Parts Identification Label Will Have The VIN Digit and Engine RPO Code (Circled) To Confirm Engine Application Gen III LS Engine Car Applications 1997 to 2004 Corvette, 1998 to 2002 Camaro & Firebird, 2004 GTO: 5.7L LS1 2001-2004 Corvette, 2004-2005 Cadillac CTS-V: 5.7L LS6 Gen III LS Engine Truck Applications: This figure is derived by adding the intake center line plus the exhaust center line and dividing by two. My grandfather was one of their 1st employees when they started out as Cambell, Wyant, and Cannon back in the early 1900s. Lift of tested lobe could be .300" before wear. side, aluminum1017439091-95350.LT5, ZR1, DOHC, 32-valve, pass. COMPCams uses two-number designations for all its engine families. In 1987, he assumed the role of editor for Hot Rod magazine before returning to his first love of writing technical stories. The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. The radiator, hoses, timing assembly, belts and fan will need to be removed to access the camshaft. After graduating from Iowa State University with a journalism degree in 1978, he combined his two passions: cars and writing. The HR refers to this as a hydraulic roller camshaft while the 114 refers to the lobe separation angle (LSA). How to Get a California Drivers License with an Out of State License, Can You Register a Car Online in Florida? Compare Related Articles. (Yes or No). Thank you ,This has been very helpful. 14010280 Small Block V8 1979-1982 267, 2 bolt 14011064 Small Block V8 1983 350, 4 bolt 14011148 Small Block V8 1987-1989 350, roller cam, 1-piece rear seal 14016376 Small Block V8 1979-1982 267, 2 bolt 14016379 Small Block V8 1977-1979 350, 2 bolt or 4 bolt 14016381 Small Block V8 1980-1984 305, 2 bolt 14016382 Small Block V8 1979-1984 305, 2 bolt No smoke, but I have not checked compression yet. The GM tube has the ID number as 3863151 which correlates to a L79 Cam however the stamping at the end is 920883. Now turn the engine clockwise and stop at 0.050 on the opening side of max lift and record the degree wheel reading. A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. $426.78. 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. With your cam it might come out to somewhere between 114 to 110 degrees depending on if the cam was machined with advance. i have a 383 chev engine ibought and would like to know what cam is in it. A good camshaft cannot be underrated, so you need it to make your engine function well. Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. I bought a 34 Ford pickup with a 302 installed. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. no idea) and only pulls about 10psi vac at idle. Im looking into a cam to suit small block ford. 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. It's for a 99-04 truck. This method requires you to do a few tasks like measuring some diameters and comparing them to the database. Show entries Search: Showing 1 to 10 of 46 entries Previous Next Big Block Crankshaft Casting Numbers Lookup i have a 383 chev engine ibought and would like to know what cam is in it. Quick View. The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. The 4 digit ID on the camshaft core is 1529, which if correct I believe is for a 327 engine. Part Number: Type: DUR @ .050" Lift: C/R: LSA: Usage: 14093643: Hyd. PG,63 4WD 1st series. In 1971 he installed a 1965 Corvette fuel injection system. For as simple as this product appears, it is actually a very complicated piece of engineering if you study it closely. A pushrod is a metal tube constructed to transfer the valve motion of a lifter riding on the camshaft directly to the value. Show More Show Less. To be sincere, flat tappet just owns the name flat. This was one of the best selling/most popular cams through the years past! My buddy says its a mild cam thats bigger than a stock LS6 version, but he didnt have any more information. 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. COMP Cams 12-600-4 Thumpr Cam, Small Block Chevy, 2000-5800 RPM. 366298.4Bowtie, Aluminum, billet main caps, 3.398" bore with sleeves, two piece rear main seal. Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. The chevy part number for that cam is 3896929. The 3709/3711 numbers are references to lobe designs. I was pretty careful with the float settings etc and it fired right up when put back on! Step 2 Find the profile or grind number. This will give you the intake centerline. Now zero the indicator and turn the engine backward until the dial indicator reads roughly 0.100-inch. Are you a newbie in dealing with cars and you seem not to know how useful a camshaft is and what is used for? 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. For instance, the number for a Toyota 3SGE would be CS 3SGE. 1014789895-98350.Gen.I crate motor1015955087-953501015955187-953051015955287-953501015955387-953051017438991-94350.LT5, ZR1, DOHC, 32-valve, drvs. CWC is the casting ID for CWC Textron. First Generation Camaro Info and Tech - 1967-1969. All you have to do to determine valve lift is multiply the lobe lift times the rocker ratio. In 1972, it was the cam for the 307/130hp; and an optional cam for the 350/165hp, 175hp, 200hp; and 400/170hp. I'll post up a pic as well. Only thing is the idle mixture screws have little effect (oh no timing pointer either on order) so cant really tell timing. The car came with the two cams you identified above, Stored in cardboard tubes, With the #5054 & date 1971 stamped on tubes. Locate the ID number on the camshaft. 25-12. Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. Vortec truck, Gen.I crate motors and ZZ4, roller cam, one piece rear seal: 12550592 : 97-up : 350 : crossbolted block, Gen.III, LS1, aluminum: The Fora platform includes forum software by XenForo. Camshafts Melling offers a full line of OE replacement camshafts for cars, light duty, medium duty and heavy duty trucks. indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. Don't forget to follow us on Facebook, and if you run a website or write for a blog, please link to our site! 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. 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 Can You Register a Car with a Bill of Sale and No Title? From the distribute drive gear down are the folloing markings: CWC, 06, C14, EP1. The LEA is an engine produced by General Motors for a wide variety of compact and midsize vehicles. This is an involved process, requiring the removal of the engine's front end. 1 BTC 42 ABC 223 30 BTC 80 ABC 290 .298 .447 114 1.5 HYD EXH. Once we found the hydraulic roller section, the first column lists each lobe by number. Personally, I would trash the cam and go buy a new cam and lifter set that you know what the grind is. In the catalog, you will see the cams listed by configuration starting with flat tappet hydraulics and then hydraulic rollerswhich is what we want. .390 .410 310 320 1.50 in 1968, it was the cam for the 307/200hp; 327/210hp, 250hp, 275hp, 300hp; and 350/295hp. (Yes or No). Learn more about: Cookie Policy, Will a 50 Inch TV Fit in my Car? These markings will usually be in the center of the camshaft, obviously in between the valve lobes. Your email address will not be published. The Chevy part number for that cam is 3896929. 52.01.07 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. This will help you get the full details directly from the manufacturing, which requires the model and other factors that need attention. Which cam are you refering to that helped your son achieve 11.80? Also can i safely run the Xtreme Energy, XR294HR on my 383 Vortec 906 heads and screw studs ? 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. How to Start a Car with a Blown Head Gasket (Explained). Chevy V8 Crankshaft Casting Numbers. In 1970, it was the cam for the 307/200hp; 350/250hp, 300hp; and 400/265hp. However, remember what to do after replacing your camshaft sensor in your car to avoid another frustration. In 1969, it was the cam for the 307/200hp; 327/210hp, 235hp; and 350/250hp, 255hp, 300hp. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Visit www.jamsionline.com to shop today. There following are ways you can tell a difference: As the name implies, these sets of numbers reveal the model of the camshaft. Rear cam bearing journal is etched/engraved Fessler Killer Cams #38 Any info is appreciated. Casting numbers used on factory 366ci tall deck engines (some used on multiple engines): *ending 328: 1980 through 1991. with Jeff Smith: How to Decode a COMP Cams http://www.onallcylinders.com/Jeff Smith: First of all, the CC refers to COMP Cams. DOHC is a production to improve the volumetric of the internal combustion engine in which it has more power than a simple overhead cam. In 1973, it was the cam for the 307/115hp; 350/145hp, 175hp, 190hp; and 400/150hp. If it is an original GM part, these numbers will be there. The easiest way to get the best is to check the numbers in between the lobes or boxes. There are 3 different ways to select your camshaft tightly. Answer (1 of 4): Most common specs for an engine would be for example. All of these applications had the same specs as the initial 1967 application. Stock GM LS engine cams feature LSA anywhere from 116 to 121 degrees because GM is concerned with creating a very smooth idle. ** Free Shipping for Engines & Transmissions* Learn More; 0; 888.284.7491 . Can you tell me the specs on this cam from these numbers? 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. 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. This is a job for professionals and the mechanically-inclined. CAST3736098. Any help much 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 grind number is the ever noted number, far and more recognized than the model number. . Specs @ 0.50 Cam Lift Opens Closes Duration SAE Specs@ (0.06/Rocker Arm Ratio) Cam Lift Opens Closes Duration Cam Lift Gross Valve Lift Center Line C/L Rocker Arm Ratio Valve Lash Clearance C-400-P INT. 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. In 1975, it was the cam for the 350/145hp, 155hp, 165hp; and 400/175hp. The HI-PO color coded stripes on the camshaft end are green, orange and red. Car AC Compressor Not Turning On (Causes and Quick Fix). These spec are for cam install @108 intake ctr line duration @.050 intake 236 ext 242 lobe lift .3470in .3600 ext lobe selection 112.0 where do I set my timeing for first start ? 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. It doesn't indicate a different cam or an earlier or later version. The exhaust number also comes through some time, maybe if you see digits like 266/288; the second shows the exhaust number. 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. In 1974, it was the cam for the 350/145hp, 185hp, 195hp; and 400/150hp, 180hp. (You must log in or sign up to reply here. What are your thoughts on the #5054 or anything else? The Fora platform includes forum software by XenForo. Displacing 2.4 liters in an inline-four configuration, the LEA is part of the Ecotec engine. 1991 and later Gen.V, VI and VII production BBC motors have one-piece rear main crank seals. Chevy V8 Casting Number Locations. After working as a reporter in Oregon, he is now based back home in New Haven. Then do the same process with the lobe at 0.050 on the closing side. 330864: 1968 through 1991 oval port, open chamber, 2.06 in. Hope weve helped you with a little more camshaft knowledge. The ID number will consist of either eight or nine digits; the last four numbers identify the cam and its specific application. The prefix consists of five digits and explains the date and the location of the Chevy's manufacture. Canadian made ERTEL brand. 4485B 4391B HR112+4 R (with a line under the R ) then CC and at the bottom G1979-14. In 1970, it was the cam for the 307/200hp; 350/250hp, 300hp; and 400/265hp. They dont add to the function of the camshaft itself. 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. For a better experience, please enable JavaScript in your browser before proceeding. Apr 19, 2020 Just to be clear, are those the numbers on the face of the cam behind the timing gear? 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. GEN III vs GEN IV. 10186060 Hydraulic Flat Tappet "454". 210/218 at 0.551/0.556 at 113 degrees . I have 3.55 geArs and a 3600 stall. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. Crankshaft Identification Use these casting numbers to identify the crankshaft you have. The ID number will consist of either eight or nine digits; the last four numbers identify the cam and its specific application. side, aluminum1011081091-up350.Gen. 1, 65cc chambers1012092887-953501012532094-96350.Gen.II LT1, cast iron version, used on "9C1" Police package, Impala SS, Cadillac Fleetwood, Buick Roadmaster reverse flow cooling 1012837492-up350.Gen.II LT1, 53cc, angle plug, aluminum, reverse flow cooling, 175/68cc ports10134352Bowtie, 45cc, angle plug, "low" port, 223cc intake port,aluminum, 18' race head10134363NOTE: This casting # has been used in many different versions of this aluminum 18' and 15' Bowtie race head. It is typically located in the center of the cam between the lobes. They provide average torque to the valves. GM was looking for a more powerful engine for the CTS-V and ZL1 Camaros. 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 This an original 1966 283 camshaft casting number is 3732798, hydraulic lifters. You need the best camshaft that works well with your vehicle. Required fields are marked *. $850.12. My 1968 Camaro Site. 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. Under that heading toward the bottom we found a tab for the Cam Lobe Master Catalog. PERFORMANCE PARTS | My great WordPress blog. The numbers are just figures a manufacturer uses to identify their products and to track them sometimes. Thanks, Gary in N.Y. P.S. 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. were used. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. You can also use an analog system to identify unknown camshafts. In 1975, it was the cam for the 350/145hp, 155hp, 165hp; and 400/175hp. however, depending on how you want to look at it. I have a Street Performance comp cam that was purchased in 2007.
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