In 1970, it was the cam for the 307/200hp; 350/250hp, 300hp; and 400/265hp. Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. 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. GEN III vs GEN IV. cam 5054 i am still searching for "Three Rules of Work: Out of clutter find simplicity; From discord find harmony; In the middle of . Hey. The Fora platform includes forum software by XenForo. Grind numbers are HR 224/339. The EP1 (not EPI) indicates that it was cast for Engine Power Components. I actually went through several lists and made some corrections before making this list. 25-12. How to Identify a Camshaft by Number | It Still Runs The model prefix is the first part of the camshaft number, and it describes the vehicle that the camshaft is meant for. Four or six-cylinder can be attached to the valves. Speed isnt a problem with a dual camshaft and it increases the engines power. Smith began writing for Car Craft magazine in 1979 and became editor in 1984. The Chevy part number for that cam is 3896929. Compare Related Articles. The car has all orig drive train, Except for fuel injection and headers. In 1998, head c/n 24575507 arrived with a heart-shaped combustion chamber against a D shape. Your email address will not be published. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. 348/409 Part numbers Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. Cam Identification? | LS1LT1 Forum camshaft identification - Don Terrill's Speed-Talk 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quote you the numbers from the 1964 "Parts and Accessories Catalog" but, be aware that earlier numbers may exist and be superseded by the ones listed in this catalog. The exhaust number also comes through some time, maybe if you see digits like 266/288; the second shows the exhaust number. What Happens When the Turbo Goes on a Diesel? Quick View. Deciphering The Differences In The Chevy 2.2L Engine Can a Bad Battery Cause a Check Engine Light to Come On? Its got a great loping idle (big cam?? The grind number is the ever noted number, far and more recognized than the model number. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. I hope it helps you identify the Chevrolet engine parts you are working on. i have a 383 chev engine ibought and would like to know what cam is in it. Each number has a meaning and an interpretation. 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 . 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 LT1 casting numbers | LS1LT1 Forum 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. GM 6930 , 6964 and 5054. Looking Back At The Famous Duntov Small-Block Chevrolet Camshaft Inc. Lee's Summit MO. The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. A Solid Lifter Camshaft for 1970 1971 and 1972 Camaro Z28 or Corvette with the 350 LT1 Small Block Motor. GM is recalling seven. The numbers on it are, 3734R/3377R, HR13, I 3996-06. Reference: Chevy Engine Block Casting Numbers - Chevy Hardcore The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and 0.328-inch lobe lift. 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. Chevrolet "Stock" LS Camshaft. 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. Learn more about: Cookie Policy, Will a 50 Inch TV Fit in my Car? A good camshaft cannot be underrated, so you need it to make your engine function well. 52.01.07 If it is an original GM part, these numbers will be there. ** Free Shipping for Engines & Transmissions* Learn More; 0; 888.284.7491 . Personally, I would trash the cam and go buy a new cam and lifter set that you know what the grind is. It is 8 figured random numbers and sometimes 9 figures with the last 4 numbers identifying the specific function of the Cam Shaft. Im looking into a cam to suit small block ford. Small Block Factory Cams This is a job for professionals and the mechanically-inclined. It is an eight or nine-digit number. Stamp numbers are engraved by the manufacturers to monitor production and distribution. Gen III/IV LS Engine ID Guide - Speedway Motors Required fields are marked *. If you notice any mistakes or have any additions, use my contact me form and let me know so I can update the list. A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. (See below.) 1963 Chevrolet Corvette L75 327ci 4 SPD RESTORATION The next information engraved on the cam was HR 114. Crane makes Blueprint camshafts for almost, if not, every GM, Ford, Mopar engine from the sixties and seventies. On the shaft the #'s 1539 are stamped in one spot, and CWC is stamped in another spot. They are the flat tappet and roller camshaft. PERFORMANCE PARTS | My great WordPress blog. (You must log in or sign up to reply here. ZL-1, Mark IV3946053.427.97-up4-bolt, Alum. This same pattern was followed throughout the 1997 production cycle. Camshaft Identification - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS Can a Wheel Speed Sensor Cause Limp Mode? . 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. . 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 We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. CHEVY CASTING NUMBERS - enginerepairshop.com Step 3 Match the number to a Chevrolet camshaft part number listing. 49 BBC -6 ATC 223 78 BBC 32 ATC 290 .298 .447 . no idea) and only pulls about 10psi vac at idle. One of these cams looks unused and the other at best slightly used. 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. Small Block Chevy SBC Camshaft Identification? - YouTube All of these applications had the same specs as the initial 1967 application. Can omeone ID this GM cam? | The H.A.M.B. Camshafts: GM Performance Motor PG,63 4WD 1st series. It is typically located in the center of the cam between the lobes. stock chevy cams, and a few similar aftermarket camshaft identification help???? | Pirate 4x4 Do not enter the -2 on dual cams part numbers or the (I) that indicates intake or (E) for exhaust. (Advanced five degrees; use spring P/N 3970627.) They provide average torque to the valves. I have no idea whats on the inside. 210/218 at 0.551/0.556 at 113 degrees . View (5) $203.95 More Info. journal.3.00" stroke3849847.283.forged..small journal.3.00" stroke3876764.283.forged or cast..sm. 366T/427T engines - Tradecraft Specialties (Yes or No), Will Hub Centric Rings Stop Vibration? $799.00 +$36.00 shipping. This method requires you to do a few tasks like measuring some diameters and comparing them to the database. A 'VE Table' is one of two methods used to control fuel delivery, typically the secondary method with the primary being a MAF (Mass Airflow Sensor). Can You Register a Car with a Bill of Sale and No Title? Every engine needs a timing device that can control the opening and closing of the intake and exhaust valves. The greater number of degrees means there is less overlap between the intake and exhaust lobes. 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. engine P/N 10185058. This card reveals the basic information you need to identify, properly install, and degree the camshaft in the engine. Anyone know whos cam this is. 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. 4485B 4391B HR112+4 R (with a line under the R ) then CC and at the bottom G1979-14. The duration at lash point in degrees (intake/exhaust) is 328/324; duration at .050" tappet lift (intake/exhaust) is 220/220; and . . I only put the numbers here that I can prove, so this is a short list. I can't help you in regards to who actually did the final grinding. Small Block Chevy Factory Camshafts - NastyZ28.com The engine needs to function by opening the valve with the help of the camshaft. How Long to Drive After Reset Computer to Pass Emission Test? Now zero the indicator and turn the engine backward until the dial indicator reads roughly 0.100-inch. How to Get a California Drivers License with an Out of State License, Can You Register a Car Online in Florida? Small Block Chevy Factory Camshafts . The car came with the two cams you identified above, Stored in cardboard tubes, With the #5054 & date 1971 stamped on tubes. The next two numbers are the valve lift of . 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. His work has appeared in the "New Haven Register," Medford's "Mail-Tribune" and the "Ashland Daily Tidings." The cam is in very good used condition and will likely be reused. This is the COMPCams equivalent of the Rosetta stone for cam lobes. How to Identify an LS Engine - OnAllCylinders The suffix provides the. I have Comp Cams camshaft. indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. 1954-1955 235 Engine 3835913; 1956-1962 235 Engine 3836848; 1956-1962 261 Engine 3836850 That gives us our first clue where to look for the rest of the numbers. Chevy Cam Part Number Location Chevrolet Big Block Camshaft Types Chevrolet installed Three different types of Camshafts on the Big Block Engines. 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. The prefix consists of five digits and explains the date and the location of the Chevy's manufacture. Chevrolet small-block engine (first- and second-generation) Cam is in used shape but with little to no wear. I have a Pontiac camshaft with 960938 number on the backside. Camshafts - Melling 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. Chevy V8 BBC Block and Head Casting Numbers. Camshaft Guide for Small-Block Chevys: How-To, Tips & Techniques CAM 6930 1967 CAMSHAFT ID. In 1973, it was the cam for the 307/115hp; 350/145hp, 175hp, 190hp; and 400/150hp. You can basically find it in the center of the cam between the lobes. The first two numbers are the degrees of opening being 210 for the intake and 218 degrees for the exhaust given normally at .050 inch of lift. Chevy V8 Crankshaft Casting Numbers. So why did this cam not have a lope to it in the 283, from everything I am reading long . This is an involved process, requiring the removal of the engine's front end. 1014789895-98350.Gen.I crate motor1015955087-953501015955187-953051015955287-953501015955387-953051017438991-94350.LT5, ZR1, DOHC, 32-valve, drvs. 586 FM13 216 00L 1991 Z28 Engine: '94 355 LT1, GM hot cam, 1.6 RR's, Ported Heads, Dyno Don's headers, #30 SVO injectors, stock internals with skirted pistons. Anyone have any idea what make and specs are of this cam? Re: camshaft identification. It doesnt add to the function of the camshaft, nor does it play an important role. Oct 8, 2010 #2 Z z28rod Veteran Member Apr 30, 2009 4,472 hopewell junction,ny 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. Analog system. But this comes at the cost of reduced torque in the middle of the rpm band. A camshaft is a rotating object in a vehicle with pointed cams in which its rotations produce reciprocal motion. BBC Cylinder Head Casting Numbers RECTANGULAR PORT - medicalundfit.de i have some stamps on the cam that i can see EP236 and CWC can these be used to idetify the cam. ). It has a taper inside the lobe which ensures the lifter can spin. 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. **Due to the COVID-19 pandemic a large number of products are on backorder and shipping times are longer then usual. Why are Volkswagen Oil Changes so Expensive? Thanks, Gary in N.Y. P.S. They make castings for CMC (Camshaft Machine Corp.) and EPC (Engine Power Components) and others. 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. Chevrolet LS7 Camshaft. The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). On the outside there is a Carter AFB 9637 (625CFM) sitting on an Edelbrock manifold. CWC camshaft identification | Team Chevelle Ask Away! with Jeff Smith: How to Decode a COMP Cams Camshaft Answer (1 of 4): Most common specs for an engine would be for example. 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.