gm camshaft identification numbers

There are other camshafts that can be viewed in this category, they include: SOHC means simple overhead cam. Chevy Intake Manifolds 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. Identifiers: Letter R, CWC, EP1, C4 and E8. I dont have any numbers. Camshaft Identification - LS1TECH - Camaro and Firebird Forum Discussion 4226 what kind of camshaft is it. BBC Cylinder Head Casting Numbers RECTANGULAR PORT - medicalundfit.de News Chevrolet Performance Releases The Impressive L8T As A Crate Engine . 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. Terms of Service. 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. Drivetrain: '95 T56, pro 5.0 shifter, hayes clutch, Stock 10 bolt with 3.42's 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. (You must log in or sign up to reply here. The numbers on it are, 3734R/3377R, HR13, I 3996-06. I actually went through several lists and made some corrections before making this list. A good camshaft cannot be underrated, so you need it to make your engine function well. They minimize friction, which ensures the camshaft contains more power. The suffix provides the. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. Chevy V8 Casting Number Locations. In this case: 108 + 116 = 224 degrees / 2 = 112 degrees. 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. Hey Keith, we did some quick sleuthing and your cam MAY be for a BBC Marine (boat) motor application thats been discontinued. Thanks, Your email address will not be published. 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. JavaScript is disabled. no idea) and only pulls about 10psi vac at idle. Any time you are making this kind of important decision about your engine, it's . 4. Each code will be represented by the SES light flashing, pausing ** Free Shipping for Engines & Transmissions* Learn More; 0; 888.284.7491 . It models the airflow for the computer to calculate fuel. A SOHC allows at least 2 to 3 valves per cylinder configuration, with more manufacturer prowess. JavaScript is disabled. Thanks, Gary in N.Y. P.S. 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. One of these cams looks unused and the other at best slightly used. ). 1970 Mustang Mach I "Synergy Green Pearl"351 Cleveland - Fuel Injection "The Rattle Shaker" Complete nut and bolt rotisserie restoration LESS than 500 miles by C.A.R.S. Can You Register a Car in a Different Name than on the Title? Analog system. The easiest way to tell the difference is to check the 8th digit of the Vehicle Identification Number (VIN) on the original vehicle. Under that heading toward the bottom we found a tab for the Cam Lobe Master Catalog. One of the primary differences between the GM GEN 3 and 4 ECMs are how they estimate airflow using VE Tables. It is typically located in the center of the cam between the lobes. It's a used cam and it has this barcode on it. This figure is derived by adding the intake center line plus the exhaust center line and dividing by two. The 3709/3711 numbers are references to lobe designs. In 1975, it was the cam for the 350/145hp, 155hp, 165hp; and 400/175hp. The 7661-11 is a serial number specific to that camshaft only. 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. Four or six-cylinder can be attached to the valves. View (5) $203.95 More Info. (Yes or No). Cam is in used shape but with little to no wear. Each number has a meaning and an interpretation. To decipher these codes, we accessed COMPs website at compcams.com. On this cam card, you will see the LSA is 112 degrees. On the shaft the #'s 1539 are stamped in one spot, and CWC is stamped in another spot. 210/218 at 0.551/0.556 at 113 degrees . The engine also had smaller 1-1/8? Drake studied journalism at Southern Connecticut State University. The Chevy part number for that cam is 3896929. The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and 0.328-inch lobe lift. If the number was 110 degrees, this would increase the amount of overlap. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. Stock GM LS engine cams feature LSA anywhere from 116 to 121 degrees because GM is concerned with creating a very smooth idle. 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. Anyone know whos cam this is. eBay Product ID (ePID) 2320190292. CWC is the foundry that cast the cam blank. If you notice any mistakes or have any additions, use my contact me form and let me know so I can update the list. I have a Pontiac camshaft with 960938 number on the backside. There are at least 6 different versions as of 11/99. It's real easy to spot if the heads are off because of the small 3.74" bore. I purchased a used hydraulic roller camshaft from a friend that was originally used in an LS1 engine. The easiest way to get the best is to check the numbers in between the lobes or boxes. They include: 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. Carb number is stamped in this location as well as on an identification tag held on with one of the air . By visual inspection. Apr 19, 2020 Just to be clear, are those the numbers on the face of the cam behind the timing gear? 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. All you have to do to determine valve lift is multiply the lobe lift times the rocker ratio. Don't forget to follow us on Facebook, and if you run a website or write for a blog, please link to our site! It's for a 99-04 truck. Compare Related Articles. 1963 Chevrolet Corvette L75 327ci 4 SPD RESTORATION I have Comp Cams camshaft. Personally, I would trash the cam and go buy a new cam and lifter set that you know what the grind is. Chevy SBC 395/401 Lift Camshaft Kit 3736097 Duntov 283 Fuel Injection DOHC is a production to improve the volumetric of the internal combustion engine in which it has more power than a simple overhead cam. On the outside there is a Carter AFB 9637 (625CFM) sitting on an Edelbrock manifold. I can quote you the numbers from the 1964 "Parts and Accessories Catalog" but, be aware that earlier numbers may exist and be superseded by the ones listed in this catalog. Is there any way anyone could hp me out? 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. 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. 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. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The grind number is the ever noted number, far and more recognized than the model number. 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. PERFORMANCE PARTS | My great WordPress blog. I have 3.55 geArs and a 3600 stall. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. The numbers engraved in the body part of the camshaft are called the Stamped number or casting number. To be sincere, flat tappet just owns the name flat. The HI-PO color coded stripes on the camshaft end are green, orange and red. GM is recalling seven. A roller camshaft has its wheel attached to the bottom of the lifters body. Visit www.jamsionline.com to shop today. Hope weve helped you with a little more camshaft knowledge. From the distribute drive gear down are the folloing markings: CWC, 06, C14, EP1. were used. A good understanding of these factors will assist you in making a wise decision. The markings on end of cam is 300C6 and X6733. It would take some digging and some research, but you could look through a parts catalog of some of the more popular cam manufacturers and see if you can match up part numbers with something. 1954-1955 235 Engine 3835913; 1956-1962 235 Engine 3836848; 1956-1962 261 Engine 3836850 Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! Thank, Ray. E Camshafts are identified by (usually) the last 4 digits of the part number and a casting symbol. PG,63 4WD 1st series. Thank you, if you can help, send me an e mail and I will send you a picture. The Chevrolet Big Block Camshaft Part Numbers - WOW Muscle Cars Crower's cam specifications and printable cam card finder Discussion in 'The Hokey Ass Message Board' started by indestructableforce, Nov 13, 2012. Sept. 2019 Drag-Week Winner - N.Y. Legal Streeter - 1956 Chevy Bel-Air, http://www.msnusers.com/Chrisjunque/shoebox.msnw?action=ShowPhoto&PhotoID=2. ZL-1, Mark IV3946053.427.97-up4-bolt, Alum. Gen III/IV LS Engine ID Guide - Speedway Motors Camshaft numbers - The Stovebolt Forums No smoke, but I have not checked compression yet. A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. However, remember what to do after replacing your camshaft sensor in your car to avoid another frustration. 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. Small Block Factory Cams

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