News Chevrolet Performance Releases The Impressive L8T As A Crate Engine .
Can omeone ID this GM cam? | The H.A.M.B. 4270 H11 then letters CC vertically, then CB6554 can you tell me the specs on this cam? I was pretty careful with the float settings etc and it fired right up when put back on!
Camshafts: GM Performance Motor Understanding Cam Design. Used on RPO: L86 (1980-1991). You need the best camshaft that works well with your vehicle. 366298.4Bowtie, Aluminum, billet main caps, 3.398" bore with sleeves, two piece rear main seal. Melling listings include OEM applications to match the engine requirements desired including horsepower, economy and needed engine torque. Chevy V8 BBC Block and Head Casting Numbers. 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
Camshafts: GM Performance Motor Required fields are marked *. Compare Related Articles. 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. ZL-1, Mark IV3946053.427.97-up4-bolt, Alum.
LT1 GM 2182 Camshaft Camaro Z28 Corvette 70 71 72 - Yenko.net GM 2.4 Liter I4 Ecotec LEA Engine Come join the discussion about performance, builds, restoration, modifications, classifieds, troubleshooting, reviews, and more! Could someone help me identify these cam numbers ? Step 2 Locate the ID number on the camshaft.
Technical Articles - SBC Block Casting Numbers - Bzerob.com 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. How does this compare to the 69 dz 30/30/ cam? Quick View. A good understanding of these factors will assist you in making a wise decision.
Chevy Casting Number identification - Block casting numbers There are two types of cams that you can tell the difference without using a lens or going the extra mile to tell the difference. [] Ask Away! Then do the same process with the lobe at 0.050 on the closing side. The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). This is an involved process, requiring the removal of the engine's front end. On the outside there is a Carter AFB 9637 (625CFM) sitting on an Edelbrock manifold. I was given a can that has the #s
COMP Cams Cam Series - COMP Cams For online resources, check out NastyZ28.com, Kendrick-Auto.com or Chevy-Camaro.com which have detailed listings, or contact a Chevrolet parts department to identify the camshaft. 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. 14010280 Small Block V8 1979-1982 267, 2 bolt 14011064 Small Block V8 1983 350, 4 bolt 14011148 Small Block V8 1987-1989 350, roller cam, 1-piece rear seal 14016376 Small Block V8 1979-1982 267, 2 bolt 14016379 Small Block V8 1977-1979 350, 2 bolt or 4 bolt 14016381 Small Block V8 1980-1984 305, 2 bolt 14016382 Small Block V8 1979-1984 305, 2 bolt . The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and 0.328-inch lobe lift.
Camshaft numbers - The Stovebolt Forums And there is a CR inscribed as well off the lower left The prefix consists of five digits and explains the date and the location of the Chevy's manufacture. 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. Learn more about: Cookie Policy, Will a 50 Inch TV Fit in my Car? Chevy LSX454 Camshaft. If you notice any mistakes or have any additions, use my contact me form and let me know so I can update the list. 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. Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. Below is some reference data for cylinder head casting numbers with valve sizes, years used, etc. Ford Au part no ! It helps you know the compatibility of the camshaft to the supposed vehicle you want to use it for. Quick View. The HI-PO color coded stripes on the camshaft end are green, orange and red. Retired GM employee, John Hinckley, an NCRS Master Judge, explains the one number . GM was looking for a more powerful engine for the CTS-V and ZL1 Camaros. Can You Register a Car with a Bill of Sale and No Title? engine P/N 10185058. Apr 19, 2020 Just to be clear, are those the numbers on the face of the cam behind the timing gear? There are 3 different ways to select your camshaft tightly. A good camshaft cannot be underrated, so you need it to make your engine function well.
348/409 Part numbers The identification number consists of a seven-to-eight digit code. It means the valve is open at 255 degrees. We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. 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. Quick View. 210/218 at 0.551/0.556 at 113 degrees . Any help much appreciated. Looks to have stock cast iron heads and exhaust.
Camshaft identifiction | Team Camaro Tech Reference: Chevy Engine Block Casting Numbers - Chevy Hardcore Knowing the measurement of a lobe separation angle is another special way of telling the difference between camshafts.
stock chevy cams, and a few similar aftermarket This number should be on your camshaft, followed by a number of degrees.
What do camshaft numbers mean? - Quora Stamped numbers are 529506 and 031531. Your email address will not be published. Which cam are you refering to that helped your son achieve 11.80?
PDF CAMSHAFT SPECIFICATIONS - Melling General Motors LS-based small-block engine - Wikipedia Chevy Camshaft Identification - Club Hot Rod Forums Casting numbers used on factory 366ci tall deck engines (some used on multiple engines): *ending 328: 1980 through 1991. 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 ? Contact. Can you tell me the specs on this cam from these numbers? A call to Comp at 1-800-999-0853 will probably give you some more details. $426.78. A stamp is not a functioning part of a camshaft.
Need help Identifying CWC Camshaft | Team Chevelle Small Block Chevy SBC Camshaft Identification? - YouTube Show More Show Less. Each family of cam lobes has its own numerical designation with the same basic configuration, usually encompassing multiple individual durations that also might include changes in lobe lift. 4485B 4391B HR112+4 R (with a line under the R ) then CC and at the bottom G1979-14. Add the two numbers together and divide by 2. Using stamped numbers and. (Yes or No). Chevy . For the intake centerline method, once the cam is installed and TDC is established on the degree wheel, then roll the cam around until the dial indicator signals maximum lift. Canadian made ERTEL brand. On other cams Ive looked at, they just list the part number which is easy to look up, but this cam has a bunch of numbers I dont recognize. CWC is the casting ID for CWC Textron. It's real easy to spot if the heads are off because of the small 3.74" bore. They provide average torque to the valves. There are at least 6 different versions as of 11/99. Only thing is the idle mixture screws have little effect (oh no timing pointer either on order) so cant really tell timing. Are you a newbie in dealing with cars and you seem not to know how useful a camshaft is and what is used for? (Yes or No), Will Hub Centric Rings Stop Vibration? 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. Camshafts are identified by (usually) the last 4 digits of the part number and a casting symbol. In 1972, it was the cam for the 307/130hp; and an optional cam for the 350/165hp, 175hp, 200hp; and 400/170hp.
Differences and Applications of GM ECMs (GEN III, IV, & V) $799.00 +$36.00 shipping. The end of the cam is stamped 3709/3711 HR 114 followed by CC and 7661-11. side, aluminum1017439091-95350.LT5, ZR1, DOHC, 32-valve, pass. That particular cam put my son's pump-gas 406" SB Chevelle to an 11.80 E.T. journal.3.00" stroke3876768.283.forged..small journal.3.00" stroke3884577.327.forged..small journal.3.25" stroke3892690.350.forged..medium journal3.48" stroke3911001.307,327cast.medium journal3.25" stroke3911011.307,327cast.medium journal3.25" stroke3914672.327.forged..medium journal3.25" stroke3923279.302.forged..medium journal3.00" stroke3932442..267,305,350..castmedium journal3.48" stroke3941174.307,327cast.medium journal3.25" stroke3941178.302.forged..medium journal3.00" stroke3941182.350.forged..medium journal3.48" stroke3941188.350.forged..medium journal3.48" stroke3949847.283..forged or cast..sm. SBC Block Casting Numbers. Remove the camshaft from the engine if necessary. CWC is the foundry that cast the cam blank. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. 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. 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. How Long to Drive After Reset Computer to Pass Emission Test? GM used a forged crankshaft, oil-spray cooled Hypereutectic pistons, and a hydraulic roller camshaft made to handle boost. 2. This same pattern was followed throughout the 1997 production cycle. After graduating from Iowa State University with a journalism degree in 1978, he combined his two passions: cars and writing. COMPCams uses two-number designations for all its engine families. However, remember what to do after replacing your camshaft sensor in your car to avoid another frustration. Old school Comp 9000 Mallory Distributor and coil. The radiator, hoses, timing assembly, belts and fan will need to be removed to access the camshaft. Jeff Smith: First of all, the CC refers to COMP Cams. Show entries Search: Showing 1 to 10 of 46 entries Previous Next Big Block Crankshaft Casting Numbers Lookup Step 1 Find the model prefix. Trying to find the specs on this camshaft. In 1973, it was the cam for the 307/115hp; 350/145hp, 175hp, 190hp; and 400/150hp. The pushrods cam stays above the cylinder, which is always above the combustion chamber. Example: 63402A-2 enter 63402A .390 .410 310 320 1.50 In 1968, it was the cam for the 307/200hp; 327/210hp, 250hp, 275hp, 300hp; and 350/295hp. Rear cam bearing journal is etched/engraved Fessler Killer Cams #38 Any info is appreciated. How to Start a Car with a Blown Head Gasket (Explained). The ID number will consist of either eight or nine digits; the last four numbers identify the cam and its specific application. How Long Does it Take for Oil to Drain Back into the Pan? In this case: 108 + 116 = 224 degrees / 2 = 112 degrees.
Original factory camshaft | Chevy Nova Forum i have a 383 chev engine ibought and would like to know what cam is in it. Car AC Compressor Not Turning On (Causes and Quick Fix). How Long Does it Take Transmission Fluid to Circulate? Why are Volkswagen Oil Changes so Expensive? can you help me to decode this cam . Identifiers: Letter R, CWC, EP1, C4 and E8. side, aluminum1023990296-up350.Gen.II LT4, aluminum, reverse flow cooling, 195cc port, 54.4cc chamber, angle plug1023990696-up350."Vortec 5700", "L31", 64cc chamber, 170cc intake port, 1.94"/1.5" valves1236771299-up."Fast Burn", aluminum, 210cc intake,port, 2.00/1.55 valves, 62cc chamber1236771399-up."Fast Burn" used on ZZ430 crate motor, aluminum, 210cc intake port, 2.00/1.55 valves, 62cc chamber124800052000..LS1 "GTZ", aluminum, 38cc, 2.125"/1.625" valves, angle plug1248001197-up.Bowtie "SB2.2", aluminum, 2nd version of "SB2", 48cc chambers, "mirror ports", revised valve angles & plug location1250645087-953501250985987-943051251685287-953501252974295-96265.Gen.II, "L99", cast iron1255156196350.Gen.II, "LT1", aluminum1255252097-up305.Vortec, truck1255429094-96350.Gen.II, "LT1", cast iron version, used on "9C1" Police package, Impala SS, Cadillac Fleetwood, Buick Roadmaster reverse flow cooling1255429195-96265.Gen.II, "L99", cast iron1255569096350.Gen.II, "LT4", aluminum1255674399325.Gen.III, 5.3L, aluminum, truck, van1255805997305.Vortec, truck, 1.84"/1.5" valves1255806298350.L31 Vortec, truck, 64cc chambers, 1.94/1.5, 170cc intake port1255880697-98350.Gen.III, "LS1", aluminum, 68cc1255985399-up350.Gen.III, "LS1", aluminum, 68cc1255986299-00.Gen.III, aluminum 4.8/5.3L1255989500-up325.Gen.III, aluminum, Vortec 5.3L1256170601-04.Gen.III, 5.3L, aluminum1256187399-01364.Gen.III, 71cc, iron1256231701-04364.Gen.III, 71cc, aluminum1256424100-up350.Gen.III, "LS1", aluminum, 68cc1256424301-up350/364Gen.III, "LS6", "LS2", aluminum1257203501-04364.Gen.III, 6.0L, aluminum, 71cc1400885679-812671401020182-8530514011034Bowtie, cast iron, 64cc chambers, 184cc port volume, angle plug, "Phase II" head14011049Bowtie, aluminum, 55cc chambers, angle plug, 180cc ports, "Phase 6"1401108355-86350.Crate motor for years indicated. A pushrod is a metal tube constructed to transfer the valve motion of a lifter riding on the camshaft directly to the value. Sept. 2019 Drag-Week Winner - N.Y. Legal Streeter - 1956 Chevy Bel-Air, http://www.msnusers.com/Chrisjunque/shoebox.msnw?action=ShowPhoto&PhotoID=2. To avoid spinning, roller lifters are lifted together.
1963 Chevrolet Corvette L75 327ci 4 SPD RESTORATION Roller: 202/206 .403"/.415" The duration at lash point in degrees (intake/exhaust) is 328/324; duration at .050" tappet lift (intake/exhaust) is 220/220; and . Also there is a Blue dot just under the distributor drive gear. I just rebuilt the carb as it was pretty dirty and leaked at the accel pump. It is an eight or nine-digit number. Im looking into a cam to suit small block ford. This will give you the intake centerline.
camshaft identification | Hot Rod Forum Installing a Timing Belt on Ford Ranger chevrolet image by Eduard Shelesnjak from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. It's a 10168588 casting that had the numbers "4.3" cast on the side, too. Can You Register a Car in a Different Name than on the Title? In 1987, he assumed the role of editor for Hot Rod magazine before returning to his first love of writing technical stories. The Chevy part number for that cam is 3896929. If we didnt already know this was an LS cam, the first thing we would want to do is determine the engine family. It doesn't indicate a different cam or an earlier or later version. 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. (Advanced five degrees; use spring P/N 3970627.) A camshaft is a rotating object in a vehicle with pointed cams in which its rotations produce reciprocal motion. The grind number is the ever noted number, far and more recognized than the model number. Hope weve helped you with a little more camshaft knowledge. 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. Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. 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 With over 35 years of experience in automotive machining, you will not find a more trustworthy and reliable source of parts. Stock GM LS engine cams feature LSA anywhere from 116 to 121 degrees because GM is concerned with creating a very smooth idle. You can make a sure bet by just selecting randomly but your engine life will be in big problem. If I rotate the camshaft the other side has markings of AO, D14. COMP Cams 12-600-4 Thumpr Cam, Small Block Chevy, 2000-5800 RPM. One of these cams looks unused and the other at best slightly used. That number is actually the casting number of the camshaft, not the part number. After working as a reporter in Oregon, he is now based back home in New Haven. I purchased a used hydraulic roller camshaft from a friend that was originally used in an LS1 engine. 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. 330864: 1968 through 1991 oval port, open chamber, 2.06 in. I did a search as well, google and on here. $850.12. motor could have casting number 10112391 or 10112391S that is the service replacement. Discussion in 'The Hokey Ass Message Board' started by indestructableforce, Nov 13, 2012. In 1971 he installed a 1965 Corvette fuel injection system. GM is recalling seven. The HR refers to this as a hydraulic roller camshaft while the 114 refers to the lobe separation angle (LSA). I can't help you in regards to who actually did the final grinding.
How to Read a Cam Card to Understand Camshaft Specs - OnAllCylinders This is the number of crankshaft degrees of separation between the intake and exhaust lobe center lines. E.g. 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. We have it in internal combustion engines and some electric motor speed controllers. (396 BBC), Is this enough information to get the specs on this cam? First Generation Camaro Info and Tech - 1967-1969. The cam is in very good used condition and will likely be reused. side, aluminum1010617990350.LT5, ZR1, DOHC, 32-valve, drvs.
Small Block Factory Cams Step 3 Match the number to a Chevrolet camshaft part number listing. Hey. 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. Any way to to determine the type of cam from the outside? 25-12. If you don't have the VIN, you can still identify the engine by visual inspection if you know what to look for. This card reveals the basic information you need to identify, properly install, and degree the camshaft in the engine. They are the flat tappet and roller camshaft. For a better experience, please enable JavaScript in your browser before proceeding. Can a Bad Battery Cause a Check Engine Light to Come On?
How to Identify an LS Engine - OnAllCylinders It models the airflow for the computer to calculate fuel. Different chamber volumes, port volumes, port locations, valve sizes, etc. indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. Cam is in used shape but with little to no wear. Information is premium and can save you from errors and spending excessively. Step 2 Find the profile or grind number. The LEA is an engine produced by General Motors for a wide variety of compact and midsize vehicles. One of the primary differences between the GM GEN 3 and 4 ECMs are how they estimate airflow using VE Tables.
4. Each code will be represented by the SES light flashing, pausing How To Read Engine Block Numbers | Crate Engine Supplies The only thing we dont know from these number is the cams intake centerline. If you happen to misplace your card, most cam companies now list all off-the-shelf cam cards on their website that you can easily print out. To Develop Good Eye Habits While Driving You Should? 1991 and later Gen.V, VI and VII production BBC motors have one-piece rear main crank seals.
Camshaft Guide for Small-Block Chevys: How-To, Tips & Techniques They minimize friction, which ensures the camshaft contains more power. To decipher these codes, we accessed COMPs website at compcams.com. I have more than 4 Camaro's am I Addicted? * 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. no idea) and only pulls about 10psi vac at idle. ). What Happens When the Turbo Goes on a Diesel? The chevy part number for that cam is 3896929. The engine also had smaller 1-1/8? I hope it helps you identify the Chevrolet engine parts you are working on. 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. This method requires you to do a few tasks like measuring some diameters and comparing them to the database.
camshaft identification - Don Terrill's Speed-Talk Chevrolet "Stock" LS Camshaft. It doesnt add to the function of the camshaft, nor does it play an important role. They make castings for CMC (Camshaft Machine Corp.) and EPC (Engine Power Components) and others. I have no idea whats on the inside. Hi, I have a cam that trying to figure out the specs on. Crane makes Blueprint camshafts for almost, if not, every GM, Ford, Mopar engine from the sixties and seventies. Smith began writing for Car Craft magazine in 1979 and became editor in 1984. 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.
Looking Back At The Famous Duntov Small-Block Chevrolet Camshaft Now turn the engine clockwise and stop at 0.050 on the opening side of max lift and record the degree wheel reading. Do not enter the -2 on dual cams part numbers or the (I) that indicates intake or (E) for exhaust. Apr 13, 2014 Yeah, it has CR 760 stamped on the back, and then a date under it. 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 Fora platform includes forum software by XenForo. 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. Thanks for any info I Think its a crane cam but I cant match the stamped numbers anywhere. Privacy Policy. 14088552 Leave a comment at the end of this post if you cannot find the information you want. A Solid Lifter Camshaft for 1970 1971 and 1972 Camaro Z28 or Corvette with the 350 LT1 Small Block Motor.