This card reveals the basic information you need to identify, properly install, and degree the camshaft in the engine. 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. In 1971 he installed a 1965 Corvette fuel injection system. I have 3.55 geArs and a 3600 stall. 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. Answer (1 of 4): Most common specs for an engine would be for example. 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. 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. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. Is there any way anyone could hp me out? For as simple as this product appears, it is actually a very complicated piece of engineering if you study it closely. Ford Au part no ! In 1974, it was the cam for the 350/145hp, 185hp, 195hp; and 400/150hp, 180hp. 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. 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. Using stamped numbers and. Visit www.jamsionline.com to shop today. In 1975, it was the cam for the 350/145hp, 155hp, 165hp; and 400/175hp. They are not flat, and they are recognized with a slight crown on the face. 49 BBC -6 ATC 223 78 BBC 32 ATC 290 .298 .447 . All you have to do to determine valve lift is multiply the lobe lift times the rocker ratio. 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. To be sincere, flat tappet just owns the name flat. The numbers are just figures a manufacturer uses to identify their products and to track them sometimes. The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and 0.328-inch lobe lift. 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. Getting a camshaft can be a burden on many car owners; it works well when you have the right one. How to Turn off Daytime Running Lights (Explained), How to Turn Off Headlights While Car is Running. There are 3 different ways to select your camshaft tightly. In the catalog, you will see the cams listed by configuration starting with flat tappet hydraulics and then hydraulic rollerswhich is what we want. 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. Because the camshaft orchestrates the entire valve system, your Chevy won't run properly without it. One of the primary differences between the GM GEN 3 and 4 ECMs are how they estimate airflow using VE Tables. I purchased a used hydraulic roller camshaft from a friend that was originally used in an LS1 engine. What Happens When the Turbo Goes on a Diesel? To decipher these codes, we accessed COMPs website at compcams.com. engine P/N 10185058. 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 ? We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. Vortec truck, Gen.I crate motors and ZZ4, roller cam, one piece rear seal: 12550592 : 97-up : 350 : crossbolted block, Gen.III, LS1, aluminum: exhaust valves. JavaScript is disabled. How does this compare to the 69 dz 30/30/ cam? 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. His work has appeared in the "New Haven Register," Medford's "Mail-Tribune" and the "Ashland Daily Tidings." 52.01.07 I have a new cam was told it was a comp cam # 1136 230780 any ideas on cam specks. Anyone have any idea what make and specs are of this cam? 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. That gives us our first clue where to look for the rest of the numbers. It doesnt add to the function of the camshaft, nor does it play an important role. diameter 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. Speed isnt a problem with a dual camshaft and it increases the engines power. Do You Get a Ticket in the Mail for Passing a School Bus? The markings on end of cam is 300C6 and X6733. For a better experience, please enable JavaScript in your browser before proceeding. 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. Step 2 Locate the ID number on the camshaft. Contact. Four or six-cylinder can be attached to the valves. Example: 63402A-2 enter 63402A Step 2 Find the profile or grind number. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. Thanks, Your email address will not be published. Then do the same process with the lobe at 0.050 on the closing side. The car has all orig drive train, Except for fuel injection and headers. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. They dont own the name flat, but the lobes of roller camshafts are perfectly flat. (You must log in or sign up to reply here. Thank, Ray. 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. Stamped numbers are 529506 and 031531. Personally, I would trash the cam and go buy a new cam and lifter set that you know what the grind is. Show More Show Less. JAMSI is a trusted source of automotive engine parts. 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. 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. Identifiers: Letter R, CWC, EP1, C4 and E8. This method requires you to do a few tasks like measuring some diameters and comparing them to the database. Good Day: 210/218 at 0.551/0.556 at 113 degrees . the 4.3L LT1 was also referred to as the L99 (not to be confused with the LS variant bearing the same name) If we didnt already know this was an LS cam, the first thing we would want to do is determine the engine family. Hope weve helped you with a little more camshaft knowledge. All of these applications had the same specs as the initial 1967 application. They are widely used and they perform well, which is more affordable than a roller cam. As each engine model comes with a specific camshaft, proper identification is key to finding the right one. Camshafts are stamped by the manufacturers as a means of identification. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. 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 I have a fessler roller cam trying to identify the grind specs. After graduating from Iowa State University with a journalism degree in 1978, he combined his two passions: cars and writing. Chevy V8 Casting Number Locations. This is the number of crankshaft degrees of separation between the intake and exhaust lobe center lines. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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.