Personally, I would trash the cam and go buy a new cam and lifter set that you know what the grind is. Quick View. How Long Does it Take Transmission Fluid to Circulate? Thanks, Gary in N.Y. P.S. A roller camshaft has its wheel attached to the bottom of the lifters body. A pushrod is a metal tube constructed to transfer the valve motion of a lifter riding on the camshaft directly to the value. 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 . However, remember what to do after replacing your camshaft sensor in your car to avoid another frustration. 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. Does OnStar Keep Location History? The LS . It was later decided to build a supercharged version of the LS3 and it has less compression at 9:1:1 to run safer under boost. If you are confused as to which cam you should buy for your beast, Crane has you covered. Show entries Search: Showing 1 to 10 of 46 entries Previous Next Big Block Crankshaft Casting Numbers Lookup Your camshaft is important; your engine isnt meaningful without the contribution of the Camshaft. Jeff Smith: First of all, the CC refers to COMP Cams. 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. It doesnt add to the function of the camshaft, nor does it play an important role. Stock GM LS engine cams feature LSA anywhere from 116 to 121 degrees because GM is concerned with creating a very smooth idle. This is the COMPCams equivalent of the Rosetta stone for cam lobes. The easiest way to get the best is to check the numbers in between the lobes or boxes. *54-55 passenger W/PG, 56-58 passenger. All of these applications had the same specs as the initial 1967 application. A native of New Haven, Conn., Floyd Drake III began writing in 1984. Part Number: Type: DUR @ .050" Lift: C/R: LSA: Usage: 14093643: Hyd. motor could have casting number 10112391 or 10112391S that is the service replacement. Quick View. Less overlap generally produces a more stable idle while more overlap makes the idle lumpier. The best way to identify an unknown camshaft is by identifying it with your eye or using stamped numbers engraved on the camshaft to identify it. The 8th digit of the VIN. 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. If you notice any mistakes or have any additions, use my contact me form and let me know so I can update the list. In 1971 he installed a 1965 Corvette fuel injection system. 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. 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 car has all orig drive train, Except for fuel injection and headers. The Chevrolet small-block engine is a series of gasoline-powered, V-8 automobile engines, produced by the Chevrolet division of General Motors between 1954 and 2003, using the same basic engine block.Referred to as a "small-block" for its size relative to the physically much larger Chevrolet big-block engines, the small block family spanned from 262 cu in (4.3 L) to 400 cu in (6.6 L) in . They include: Identifying with your eye. For a better experience, please enable JavaScript in your browser before proceeding. You can make a sure bet by just selecting randomly but your engine life will be in big problem. That particular cam put my son's pump-gas 406" SB Chevelle to an 11.80 E.T. The HR refers to this as a hydraulic roller camshaft while the 114 refers to the lobe separation angle (LSA). Drivetrain: '95 T56, pro 5.0 shifter, hayes clutch, Stock 10 bolt with 3.42's $799.00 +$36.00 shipping. They dont own the name flat, but the lobes of roller camshafts are perfectly flat. CAMSHAFT SPECIFICATIONS Part No. 4485B 4391B HR112+4 R (with a line under the R ) then CC and at the bottom G1979-14. In 1969, it was the cam for the 307/200hp; 327/210hp, 235hp; and 350/250hp, 255hp, 300hp. Step 2 Find the profile or grind number. $510.45. Only thing is the idle mixture screws have little effect (oh no timing pointer either on order) so cant really tell timing. The chevy part number for that cam is 3896929. For instance, the number for a Toyota 3SGE would be CS 3SGE. If I rotate the camshaft the other side has markings of AO, D14. 1991 and later Gen.V, VI and VII production BBC motors have one-piece rear main crank seals. cam 5054 i am still searching for "Three Rules of Work: Out of clutter find simplicity; From discord find harmony; In the middle of . Apr 19, 2020 Just to be clear, are those the numbers on the face of the cam behind the timing gear? Example: 63402A-2 enter 63402A Using stamped numbers and. Manufacturer Part Number. 330864: 1968 through 1991 oval port, open chamber, 2.06 in. Visit www.jamsionline.com to shop today. Crane makes Blueprint camshafts for almost, if not, every GM, Ford, Mopar engine from the sixties and seventies. Any advice? It is typically located in the center of the cam between the lobes. Reading a Cam Card: Advance Drake studied journalism at Southern Connecticut State University. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. There are other camshafts that can be viewed in this category, they include: SOHC means simple overhead cam. The end of the cam is stamped 3709/3711 HR 114 followed by CC and 7661-11. I only put the numbers here that I can prove, so this is a short list. no idea) and only pulls about 10psi vac at idle. 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. How Long to Drive After Reset Computer to Pass Emission Test? The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and .328-inch lobe lift. JavaScript is disabled. This hydraulic flat tappet "454" is a good street high-performance and marine cam used in the Gen V 454 H.O. A DOHC is known as a dual overhead cam. In 1975, it was the cam for the 350/145hp, 155hp, 165hp; and 400/175hp. Cam is in used shape but with little to no wear. By visual inspection. This advances the intake centerline by that number of degrees. Does Your License and Registration Address Have to Match? 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. Retired GM employee, John Hinckley, an NCRS Master Judge, explains the one number . I suspect you have . The numbers are just figures a manufacturer uses to identify their products and to track them sometimes. When referring to LSAs, the larger the number, the more degrees of separation between the intake and exhaust lobes. We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. On the outside there is a Carter AFB 9637 (625CFM) sitting on an Edelbrock manifold. These numbers only describe the functions or tell the specifics of each product. The GM tube has the ID number as 3863151 which correlates to a L79 Cam however the stamping at the end is 920883. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The 4 digit ID on the camshaft core is 1529, which if correct I believe is for a 327 engine. Displacing 2.4 liters in an inline-four configuration, the LEA is part of the Ecotec engine. I did a search as well, google and on here. This requires a little more time but COMP does not charge extra, which is a great service if you are into tweaking the cam a bit to do something special. 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. Every engine needs a timing device that can control the opening and closing of the intake and exhaust valves. 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). (Yes or No). It is typically located in the center of the cam between the lobes. There following are ways you can tell a difference: As the name implies, these sets of numbers reveal the model of the camshaft. A good understanding of these factors will assist you in making a wise decision. Small Block Casting numbers Big Block Crankshaft Cylinder Head ID Use these casting numbers to identify the heads you have. Knowing the measurement of a lobe separation angle is another special way of telling the difference between camshafts. Terms of Service. View (5) $203.95 More Info. The car came with the two cams you identified above, Stored in cardboard tubes, With the #5054 & date 1971 stamped on tubes. CAM 6964 1969 CAMSHAFT ID. This sometimes is tagged stressing when you can just tell by looking at numbers, but in the absence of a degree when or dial indicator, an analog is required to make your best decision. In this case: 108 + 116 = 224 degrees / 2 = 112 degrees. Learn more about: Cookie Policy, Will a 50 Inch TV Fit in my Car? In 1987, he assumed the role of editor for Hot Rod magazine before returning to his first love of writing technical stories. 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. It is 8 figured random numbers and sometimes 9 figures with the last 4 numbers identifying the specific function of the Cam Shaft. I bought a 34 Ford pickup with a 302 installed. Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. They are the flat tappet and roller camshaft. Hope weve helped you with a little more camshaft knowledge. 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 How to Start a Car with a Blown Head Gasket (Explained). First Generation Camaro Info and Tech - 1967-1969. 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. Could someone help me identify these cam numbers ? Under that heading toward the bottom we found a tab for the Cam Lobe Master Catalog. In 1974, it was the cam for the 350/145hp, 185hp, 195hp; and 400/150hp, 180hp. Switching to Synthetic Oil After 100k Miles: Pros and Cons. Apr 13, 2014 Yeah, it has CR 760 stamped on the back, and then a date under it. In 1969, it was the cam for the 307/200hp; 327/210hp, 235hp; and 350/250hp, 255hp, 300hp. 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. Different chamber volumes, port volumes, port locations, valve sizes, etc. The pushrods cam stays above the cylinder, which is always above the combustion chamber. Don't forget to follow us on Facebook, and if you run a website or write for a blog, please link to our site! 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 ? One thing I"m trying to figure out is if the orig cam is still in the car. 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. The duration at lash point in degrees (intake/exhaust) is 328/324; duration at .050" tappet lift (intake/exhaust) is 220/220; and . Which cam are you refering to that helped your son achieve 11.80? ). You can also use an analog system to identify unknown camshafts. The exhaust number also comes through some time, maybe if you see digits like 266/288; the second shows the exhaust number. This same pattern was followed throughout the 1997 production cycle. Anyone know whos cam this is. Thank, Ray. 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. Looking for 4311-4314-r106 Q 7388-04 CAN ANYONE TELL ME WHERE I CAN LOOK THE SPECS UP! Hi, I have a cam that trying to figure out the specs on. The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and 0.328-inch lobe lift. How to Turn off Daytime Running Lights (Explained), How to Turn Off Headlights While Car is Running. 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. This is the number of crankshaft degrees of separation between the intake and exhaust lobe center lines. I have 3.55 geArs and a 3600 stall. 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. All of these applications had the same specs as the initial 1967 application. side, aluminum10185040Bowtie, aluminum, 45cc chambers, 1st version, symmetrical ports, 263cc intake ports, splayed valves10185040Bowtie, aluminum, 45cc chambers, 2nd version, symmetrical ports, 240cc intake ports, splayed valves1020524593350.Gen.II LT1, aluminum, reverse flow cooling, 175/68cc port volumes1020764394-96350.Gen.II LT1, aluminum, reverse flow cooling, 175/68cc port volumes1020889094-96265.Gen.II, L99, 4.3 Liter V-8, cast iron, reverse flow1021533997350.Gen.III, LS1, aluminum, 68cc1022512194-95350.LT5, ZR1, DOHC, 32-valve, drvs. Re: camshaft identification. Small Block Casting numbers Use these casting numbers to identify the exhaust manifolds you have. A SOHC allows at least 2 to 3 valves per cylinder configuration, with more manufacturer prowess. Then do the same process with the lobe at 0.050 on the closing side. Rear cam bearing journal is etched/engraved Fessler Killer Cams #38 Any info is appreciated. I have a new cam was told it was a comp cam # 1136 230780 any ideas on cam specks. were used. Chevy Cam Part Number Location Chevrolet Big Block Camshaft Types Chevrolet installed Three different types of Camshafts on the Big Block Engines. i have some stamps on the cam that i can see EP236 and CWC can these be used to idetify the cam. This type allows more direct airflow through the engine without having to deal with obstruction. Small Block Chevy Factory Camshafts . The next two numbers are the valve lift of . We investigated a couple of our Comp off-the-shelf LS cams and found they were ground with 5 degrees of advance, but that is no guarantee that your camshaft is ground that way. One of the primary differences between the GM GEN 3 and 4 ECMs are how they estimate airflow using VE Tables. I have more than 4 Camaro's am I Addicted? In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. 52.01.07 Any info helps, or where I can find. I have a 1969 z28 I bought a few years back from a friend who was orig owner. But this comes at the cost of reduced torque in the middle of the rpm band. Trying to find the specs on this camshaft. DOHC is a production to improve the volumetric of the internal combustion engine in which it has more power than a simple overhead cam. 14088552 Leave a comment at the end of this post if you cannot find the information you want. indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. Do not enter the -2 on dual cams part numbers or the (I) that indicates intake or (E) for exhaust. Ford Au part no ! I have no idea whats on the inside. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. I tried searching & googling these markings with no luck. (You must log in or sign up to reply here. Good Day: Can you tell me the specs on this cam from these numbers? (Yes or No), Will Hub Centric Rings Stop Vibration? Im looking into a cam to suit small block ford. I have a Pontiac camshaft with 960938 number on the backside. 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. The prefix consists of five digits and explains the date and the location of the Chevy's manufacture. After working as a reporter in Oregon, he is now based back home in New Haven. Thanks, Your email address will not be published. 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. A stamp is not a functioning part of a camshaft. Match the number to a Chevrolet camshaft part number listing. . The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). Its got a great loping idle (big cam?? Below is some reference data for cylinder head casting numbers with valve sizes, years used, etc. The only stamped markings on the front are 951758. Stamped on end is Z099, also has three pink dots above that stamping. Chevy LSX454 Camshaft. Is there any way anyone could hp me out? Their outer look tells the difference. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. 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. CAST3736098. This number should be on your camshaft, followed by a number of degrees. Can I Sell a Car if the Title is not in my Name? This method requires you to do a few tasks like measuring some diameters and comparing them to the database. 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. SBC Block Casting Numbers. 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. This an original 1966 283 camshaft casting number is 3732798, hydraulic lifters. In the catalog, you will see the cams listed by configuration starting with flat tappet hydraulics and then hydraulic rollerswhich is what we want. Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. .390 .410 310 320 1.50 in 1968, it was the cam for the 307/200hp; 327/210hp, 250hp, 275hp, 300hp; and 350/295hp. Chevy V8 BBC Block and Head Casting Numbers. The "2182" Casting number identifies this camshaft as GM part number 3972182. In 1973, it was the cam for the 307/115hp; 350/145hp, 175hp, 190hp; and 400/150hp. . 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. In 1998, head c/n 24575507 arrived with a heart-shaped combustion chamber against a D shape. Add the two numbers together and divide by 2. In 1972, it was the cam for the 307/130hp; and an optional cam for the 350/165hp, 175hp, 200hp; and 400/170hp. On this page you will be able to look up the original part numbers for 1958-1965 348 and 409 Chevy engine components such as Bell Housing, Carburetor, Camshaft, Crankshaft, Distributor, Generator/Alternators, Radiator Hoses and Starters. In 1970, it was the cam for the 307/200hp; 350/250hp, 300hp; and 400/265hp. For as simple as this product appears, it is actually a very complicated piece of engineering if you study it closely. A call to Comp at 1-800-999-0853 will probably give you some more details. Step 2 Locate the ID number on the camshaft. How Long Does it Take for Oil to Drain Back into the Pan? The suffix provides the. 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. Chevy V8 "W" Motor 348-409 Casting Numbers. . The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. 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. It has a taper inside the lobe which ensures the lifter can spin. Can a Bad Battery Cause a Check Engine Light to Come On? For instance, if you have numbers like 266H04, the last two digits are the numbers used to show the measurement of the lobes. They dont add to the function of the camshaft itself. There are 3 different ways to select your camshaft tightly. 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. 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. back of cam has 660 371079 front of cam has s42008L, i have a 572 hemi and i am in the process of pulling the cam but the harmonic damper is being a pain . The EP1 (not EPI) indicates that it was cast for Engine Power Components. I dont have any numbers. [] Ask Away! Lift of tested lobe could be .300" before wear. I have Comp Cams camshaft. A Solid Lifter Camshaft for 1970 1971 and 1972 Camaro Z28 or Corvette with the 350 LT1 Small Block Motor. On the home page, we looked for the Information tab and then clicked on Catalogs. 4009f/4024f 68553-06. The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). I was given a can that has the #s On the shaft the #'s 1539 are stamped in one spot, and CWC is stamped in another spot. $426.78. The block casting number on smallblock and big block Chevy V-8 motors is located on a ledge found at the rear of the block, most often on the driver's side. The engine needs to function by opening the valve with the help of the camshaft. Now he serves as a regular contributor to OnAllCylinders. (Yes or No). Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. It is a mode of identification used by manufacturers. . In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. Crankshaft Identification Use these casting numbers to identify the crankshaft you have. Getting a camshaft can be a burden on many car owners; it works well when you have the right one. You can basically find it in the center of the cam between the lobes. 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. Camshafts Melling offers a full line of OE replacement camshafts for cars, light duty, medium duty and heavy duty trucks. * 54-55 all 6 cyl except PG, 58 D-D 2 nd design,59 series 3, 60-62 series 10-30,60-61 fleetmaster exc. In 1974, it was the cam for the 350/145hp, 185hp, 195hp; and 400/150hp, 180hp. In 1972, it was the cam for the 307/130hp; and an optional cam for the 350/165hp, 175hp, 200hp; and 400/170hp. No smoke, but I have not checked compression yet. (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. Locate the ID number on the camshaft. At one time they supplied 85% of the blanks in the world. however, depending on how you want to look at it. I have a fessler roller cam trying to identify the grind specs. diameter I can't help you in regards to who actually did the final grinding. It's a stock cam. i have a hr8ty 3050s/305is y7379 cc 212203 2811 out of a 1999 360 dodge magnum i cannot get any info on lift duration or center line also has cc letters asume comp cam ? 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. GM is recalling seven. Discussion in 'The Hokey Ass Message Board' started by indestructableforce, Nov 13, 2012. They are not so much of the speeding type. Thanks, Mike. Chevy Intake Manifolds These markings will usually be in the center of the camshaft, obviously in between the valve lobes. It's for a 99-04 truck. What are your thoughts on the #5054 or anything else? The engine also had smaller 1-1/8? Chevy . Because the camshaft orchestrates the entire valve system, your Chevy won't run properly without it.