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. [] Ask Away! We would like to thank everyone that has contributed to the data provided on this site. News Chevrolet Performance Releases The Impressive L8T As A Crate Engine . 0967 is the last four digits of the GM part number. Understanding Cam Design. (adsbygoogle = window.adsbygoogle || []).push({}); AutomobTips is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com, Copyright 2022 - AUTOMOBTIPS | Auto Blog, Our website uses cookies to improve your experience. Small Block Crankshaft Casting Numbers Lookup Type your crankshaft casting number in the SEARCH BOX below. If the number was 110 degrees, this would increase the amount of overlap. The EP1 (not EPI) indicates that it was cast for Engine Power Components. 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. CWC is the casting ID for CWC Textron. This type allows more direct airflow through the engine without having to deal with obstruction. Don't forget to follow us on Facebook, and if you run a website or write for a blog, please link to our site! The grind number is the ever noted number, far and more recognized than the model number. I have gone though the list of things to look for on the CC cam that came with a motor I picked up, but have not had much luck, so Im asking Jeff to have a look. Small Block Chevy SBC Camshaft Identification? - YouTube eBay Product ID (ePID) 2320190292. It is an eight or nine-digit number. 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. Im looking into a cam to suit small block ford. You can make a sure bet by just selecting randomly but your engine life will be in big problem. A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Also can i safely run the Xtreme Energy, XR294HR on my 383 Vortec 906 heads and screw studs ? 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. A good camshaft cannot be underrated, so you need it to make your engine function well. Apr 13, 2014 Yeah, it has CR 760 stamped on the back, and then a date under it. Camshafts are identified by (usually) the last 4 digits of the part number and a casting symbol. 1963 Chevrolet Corvette L75 327ci 4 SPD RESTORATION I am partially colorblind so they may be sort of tanish as well. They are not flat, and they are recognized with a slight crown on the face. 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. GM 6930 , 6964 and 5054. Stock GM LS engine cams feature LSA anywhere from 116 to 121 degrees because GM is concerned with creating a very smooth idle. (Yes or No). 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 . SBC Block Casting Numbers. If it is an original GM part, these numbers will be there. The prefix consists of five digits and explains the date and the location of the Chevy's manufacture. Getting a camshaft can be a burden on many car owners; it works well when you have the right one. There are 3 different ways to select your camshaft tightly. That particular cam put my son's pump-gas 406" SB Chevelle to an 11.80 E.T. **Due to the COVID-19 pandemic a large number of products are on backorder and shipping times are longer then usual. The 8th digit of the VIN. There are two easy ways: 1. The numbers engraved in the body part of the camshaft are called the Stamped number or casting number. They are the flat tappet and roller camshaft. 4226 what kind of camshaft is it. 4009f/4024f 68553-06. This figure is derived by adding the intake center line plus the exhaust center line and dividing by two. Retired GM employee, John Hinckley, an NCRS Master Judge, explains the one number . Small Block Casting numbers Use these casting numbers to identify the exhaust manifolds you have. cam 5054 i am still searching for "Three Rules of Work: Out of clutter find simplicity; From discord find harmony; In the middle of . Check this castingcarefully to determine which features it may have. 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. 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 . (Yes or No), Will Hub Centric Rings Stop Vibration? How Long to Drive After Reset Computer to Pass Emission Test? It's real easy to spot if the heads are off because of the small 3.74" bore. GM 2.4 Liter I4 Ecotec LEA Engine Part Number: Type: DUR @ .050" Lift: C/R: LSA: Usage: 14093643: Hyd. Your camshaft is important; your engine isnt meaningful without the contribution of the Camshaft. The engine also had smaller 1-1/8? To avoid spinning, roller lifters are lifted together. General Motors LS-based small-block engine - Wikipedia 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. Can a Bad Battery Cause a Check Engine Light to Come On? I bought a 34 Ford pickup with a 302 installed. Does Your License and Registration Address Have to Match? 366T/427T engines - Tradecraft Specialties It is 8 figured random numbers and sometimes 9 figures with the last 4 numbers identifying the specific function of the Cam Shaft. To decipher these codes, we accessed COMPs website at compcams.com. This hydraulic flat tappet "454" is a good street high-performance and marine cam used in the Gen V 454 H.O. I was given a can that has the #s . 52.01.07 With your cam it might come out to somewhere between 114 to 110 degrees depending on if the cam was machined with advance. Ford 1970 Kansas Cars for sale - SmartMotorGuide.com This same pattern was followed throughout the 1997 production cycle. by Greenlight Mon Nov 10, 2014 6:56 pm. camshaft identification | Hot Rod Forum Jeff Smith: First of all, the CC refers to COMP Cams. Different chamber volumes, port volumes, port locations, valve sizes, etc. Anyone have any idea what make and specs are of this cam? CAST3736098. That gives us our first clue where to look for the rest of the numbers. GM was looking for a more powerful engine for the CTS-V and ZL1 Camaros. Example: 63402A-2 enter 63402A In 1975, it was the cam for the 350/145hp, 155hp, 165hp; and 400/175hp. (Yes or No). Car AC Compressor Not Turning On (Causes and Quick Fix). 10186060 Hydraulic Flat Tappet "454". Switching to Synthetic Oil After 100k Miles: Pros and Cons. How to Identify an LS Engine - OnAllCylinders It is typically located in the center of the cam between the lobes. His work has appeared in the "New Haven Register," Medford's "Mail-Tribune" and the "Ashland Daily Tidings." CAMSHAFT SPECIFICATIONS Part No. The only thing we dont know from these number is the cams intake centerline. Big Block Chevy Cam Identification - Engine Builder Magazine Come join the discussion about performance, builds, restoration, modifications, classifieds, troubleshooting, reviews, and more! 4270 H11 then letters CC vertically, then CB6554 can you tell me the specs on this cam? Chevy V8 Engine Crankshaft Casting Numbers List - Mortec How to Identify Unknown Camshaft in 2022 (3 Best Methods) Hi, I have a cam that trying to figure out the specs on. I was pretty careful with the float settings etc and it fired right up when put back on! Used on RPO: L86 (1980-1991). This is a COMP Cams timing card. Re: camshaft identification. We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. I have a cam trying to set startup timeing hr112 intake hyd .555 ext .576 duration .006 valve tapping lift 287 in 293 ex valve timing .050 open int 10 close btdc46 abdc exh :57 BBdc 5 ATC. From the distribute drive gear down are the folloing markings: CWC, 06, C14, EP1. It doesn't indicate a different cam or an earlier or later version. 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. If you are confused as to which cam you should buy for your beast, Crane has you covered. In the catalog, you will see the cams listed by configuration starting with flat tappet hydraulics and then hydraulic rollerswhich is what we want. Chevy Casting Number identification - Block casting numbers PDF CAMSHAFT SPECIFICATIONS - Melling Show entries Search: Showing 1 to 10 of 46 entries Previous Next Big Block Crankshaft Casting Numbers Lookup How To Read Engine Block Numbers | Crate Engine Supplies After graduating from Iowa State University with a journalism degree in 1978, he combined his two passions: cars and writing. JavaScript is disabled. Why are Volkswagen Oil Changes so Expensive? 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. Now turn the engine clockwise and stop at 0.050 on the opening side of max lift and record the degree wheel reading. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. 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. In 1974, it was the cam for the 350/145hp, 185hp, 195hp; and 400/150hp, 180hp. I actually went through several lists and made some corrections before making this list. Chevy V8 Crankshaft Casting Numbers. The "2182" Casting number identifies this camshaft as GM part number 3972182. Less overlap generally produces a more stable idle while more overlap makes the idle lumpier. Canadian made ERTEL brand. These numbers only describe the functions or tell the specifics of each product. motor could have casting number 10112391 or 10112391S that is the service replacement. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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. 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. I purchased a used hydraulic roller camshaft from a friend that was originally used in an LS1 engine. Add the two numbers together and divide by 2. In 1987, he assumed the role of editor for Hot Rod magazine before returning to his first love of writing technical stories. On this cam card, you will see the LSA is 112 degrees. Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. Step 2 Find the profile or grind number. Can a Wheel Speed Sensor Cause Limp Mode? This advances the intake centerline by that number of degrees. side, aluminum1010617990350.LT5, ZR1, DOHC, 32-valve, drvs. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The recall affects several models of heavy duty Chevrolet Silverados and GMC Sierras with optional engine block heaters. The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and 0.328-inch lobe lift. 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. Match the number to a Chevrolet camshaft part number listing. 1014789895-98350.Gen.I crate motor1015955087-953501015955187-953051015955287-953501015955387-953051017438991-94350.LT5, ZR1, DOHC, 32-valve, drvs. Identifiers: Letter R, CWC, EP1, C4 and E8. One of these cams looks unused and the other at best slightly used. Trying to find the specs on this camshaft. I only put the numbers here that I can prove, so this is a short list. Analog system. 14088552 Leave a comment at the end of this post if you cannot find the information you want. side, aluminum1022512295350.LT5, ZR1, DOHC, 32-valve, pass. Each number has a meaning and an interpretation. So why did this cam not have a lope to it in the 283, from everything I am reading long . Mon to Fri: 8am - 5pm CDT; Gandrud Chevrolet 919 Auto Plaza Dr. Green Bay, WI 54302; Sales: 888.284.7491 [email protected]; Contact Us; Connect With Us This is what is on the cam, it would not let me past a picture here. It models the airflow for the computer to calculate fuel. You need the best camshaft that works well with your vehicle. Step 1 Find the model prefix. The LS . Stamped on end is Z099, also has three pink dots above that stamping. JavaScript is disabled. Thank you, if you can help, send me an e mail and I will send you a picture. Which cam are you refering to that helped your son achieve 11.80? 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? Camshaft numbers - The Stovebolt Forums This is an involved process, requiring the removal of the engine's front end. It has a taper inside the lobe which ensures the lifter can spin. If I rotate the camshaft the other side has markings of AO, D14. Privacy Policy. Installing a Timing Belt on Ford Ranger chevrolet image by Eduard Shelesnjak from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. . Crane makes Blueprint camshafts for almost, if not, every GM, Ford, Mopar engine from the sixties and seventies. Can you tell me the specs on this cam from these numbers? Thank you ,This has been very helpful. This card reveals the basic information you need to identify, properly install, and degree the camshaft in the engine. The car came with the two cams you identified above, Stored in cardboard tubes, With the #5054 & date 1971 stamped on tubes. i have some stamps on the cam that i can see EP236 and CWC can these be used to idetify the cam. (You must log in or sign up to reply here. Its got a great loping idle (big cam?? In 1969, it was the cam for the 307/200hp; 327/210hp, 235hp; and 350/250hp, 255hp, 300hp. The numbers are just figures a manufacturer uses to identify their products and to track them sometimes. One of the primary differences between the GM GEN 3 and 4 ECMs are how they estimate airflow using VE Tables. 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. Knowing the measurement of a lobe separation angle is another special way of telling the difference between camshafts. Could someone help me identify these cam numbers ?
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