For a better experience, please enable JavaScript in your browser before proceeding. Do You Get a Ticket in the Mail for Passing a School Bus? Add the two numbers together and divide by 2. With this intake lobe: 0.328 x 1.7 = 0.5576-inch, which COMProunds off to 0.558-inch. $510.45. (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, Copyright 2022 - AUTOMOBTIPS | Auto Blog, Our website uses cookies to improve your experience. Good Day: A stamp is not a functioning part of a camshaft. CWC is the casting ID for CWC Textron. Analog system. This is the number of crankshaft degrees of separation between the intake and exhaust lobe center lines. This will help you get the full details directly from the manufacturing, which requires the model and other factors that need attention. GEN III vs GEN IV. Your camshaft is important; your engine isnt meaningful without the contribution of the Camshaft. There are other camshafts that can be viewed in this category, they include: SOHC means simple overhead cam. View (5) $203.95 More Info. 49 BBC -6 ATC 223 78 BBC 32 ATC 290 .298 .447 . How Long Does it Take Transmission Fluid to Circulate? COMPCams uses two-number designations for all its engine families. The numbers on it are, 3734R/3377R, HR13, I 3996-06. 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. . Chevrolet LS7 Camshaft. In 1969, it was the cam for the 307/200hp; 327/210hp, 235hp; and 350/250hp, 255hp, 300hp. 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. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The model prefix is the first part of the camshaft number, and it describes the vehicle that the camshaft is meant for. This number should be on your camshaft, followed by a number of degrees. Drake studied journalism at Southern Connecticut State University. Thank you, if you can help, send me an e mail and I will send you a picture. The Chevy orange will appear as new for decades.Gear shifting is accomplished with a rebuilt 1960's HURST Competition Plus shifter specific to the C2 Corvette w/Borg Warner which is extremely rare.Ignition is handled by a computerized multiple spark discharge controller providing instantaneous throttle response by way of multiple sparking at . Then do the same process with the lobe at 0.050 on the closing side. The 8th digit of the VIN. no idea) and only pulls about 10psi vac at idle. 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. As each engine model comes with a specific camshaft, proper identification is key to finding the right one. You can also use an analog system to identify unknown camshafts. It doesn't indicate a different cam or an earlier or later version. In 1987, he assumed the role of editor for Hot Rod magazine before returning to his first love of writing technical stories. We would like to thank everyone that has contributed to the data provided on this site. Sept. 2019 Drag-Week Winner - N.Y. Legal Streeter - 1956 Chevy Bel-Air, indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. 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). 1014789895-98350.Gen.I crate motor1015955087-953501015955187-953051015955287-953501015955387-953051017438991-94350.LT5, ZR1, DOHC, 32-valve, drvs. Displacing 2.4 liters in an inline-four configuration, the LEA is part of the Ecotec engine. When referring to LSAs, the larger the number, the more degrees of separation between the intake and exhaust lobes. After working as a reporter in Oregon, he is now based back home in New Haven. However, remember what to do after replacing your camshaft sensor in your car to avoid another frustration. The greater number of degrees means there is less overlap between the intake and exhaust lobes. . 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. You need the best camshaft that works well with your vehicle. 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. They are the flat tappet and roller camshaft. A camshaft is a rotating object in a vehicle with pointed cams in which its rotations produce reciprocal motion. For a better experience, please enable JavaScript in your browser before proceeding. I dont have any numbers. Step 2 Locate the ID number on the camshaft. Anyone know whos cam this is. How to Start a Car with a Blown Head Gasket (Explained). Is there any way anyone could hp me out? 210/218 at 0.551/0.556 at 113 degrees . 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. This is what is on the cam, it would not let me past a picture here. 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. Installing a Timing Belt on Ford Ranger chevrolet image by Eduard Shelesnjak from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. by Greenlight Mon Nov 10, 2014 6:56 pm. A roller camshaft has its wheel attached to the bottom of the lifters body. Information is premium and can save you from errors and spending excessively. I purchased a used hydraulic roller camshaft from a friend that was originally used in an LS1 engine. Melling listings include OEM applications to match the engine requirements desired including horsepower, economy and needed engine torque. I can't help you in regards to who actually did the final grinding. The second lobe number 3711 refers to the same family of lobesthis one specd at 269 degrees advertised with 216 degrees at 0.050-inch tappet lift with a lobe lift of 0.330 and a theoretical valve lift of 0.561-inch. I have a Pontiac camshaft with 960938 number on the backside. Im looking into a cam to suit small block ford. The end of the cam is stamped 3709/3711 HR 114 followed by CC and 7661-11. The suffix provides the. It means the valve is open at 255 degrees. SBC Block Casting Numbers. The ID number will consist of either eight or nine digits; the last four numbers identify the cam and its specific application. (Yes or No). Carb number is stamped in this location as well as on an identification tag held on with one of the air . Chevy LSX454 Camshaft. The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and .328-inch lobe lift. *54-55 passenger W/PG, 56-58 passenger. The first three-digit number shows the average duration time of the lobes. Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. I did a search as well, google and on here. item 7 1957-1963 Corvette Camshaft GM 3736098 Solid Lifter 283 Sp Hi Perf 327/340 360hp 1957-1963 Corvette Camshaft GM 3736098 Solid Lifter 283 Sp Hi Perf 327/340 360hp. I am partially colorblind so they may be sort of tanish as well. Old school Comp 9000 Mallory Distributor and coil. ZL-1, Mark IV3946053.427.97-up4-bolt, Alum. A DOHC is known as a dual overhead cam. In 1969, it was the cam for the 307/200hp; 327/210hp, 235hp; and 350/250hp, 255hp, 300hp. That number is actually the casting number of the camshaft, not the part number. I suspect you have . The prefix consists of five digits and explains the date and the location of the Chevy's manufacture. The Fora platform includes forum software by XenForo. Quick View. 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 next two numbers are the valve lift of . How to Get a California Drivers License with an Out of State License, Can You Register a Car Online in Florida? Rear cam bearing journal is etched/engraved Fessler Killer Cams #38 Any info is appreciated. 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 . This figure is derived by adding the intake center line plus the exhaust center line and dividing by two. diameter i have some stamps on the cam that i can see EP236 and CWC can these be used to idetify the cam. With over 35 years of experience in automotive machining, you will not find a more trustworthy and reliable source of parts. Any time you are making this kind of important decision about your engine, it's . PG,63 4WD 1st series. Thank, Ray. A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. Small Block Casting numbers Big Block Crankshaft Cylinder Head ID Use these casting numbers to identify the heads you have. Crankshaft Identification Use these casting numbers to identify the crankshaft you have. . The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. Step 1 Find the model prefix. Looks to have stock cast iron heads and exhaust. There are two easy ways: 1. Check this castingcarefully to determine which features it may have. Only thing is the idle mixture screws have little effect (oh no timing pointer either on order) so cant really tell timing. Step 3 Match the number to a Chevrolet camshaft part number listing. The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. 25-12. What Happens When the Turbo Goes on a Diesel? I was given a can that has the #s It models the airflow for the computer to calculate fuel. The 7661-11 is a serial number specific to that camshaft only. In 1975, it was the cam for the 350/145hp, 155hp, 165hp; and 400/175hp. Smith began writing for Car Craft magazine in 1979 and became editor in 1984. Part Number: Type: DUR @ .050" Lift: C/R: LSA: Usage: 14093643: Hyd. journal.3.00" stroke3849847.283.forged..small journal.3.00" stroke3876764.283.forged or They make castings for CMC (Camshaft Machine Corp.) and EPC (Engine Power Components) and others. Using stamped numbers and. exhaust valves. Switching to Synthetic Oil After 100k Miles: Pros and Cons. Chevy . If the number was 110 degrees, this would increase the amount of overlap. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. . Run-out on. In 1974, it was the cam for the 350/145hp, 185hp, 195hp; and 400/150hp, 180hp. $426.78. Chevrolet "Stock" LS Camshaft. .390 .410 310 320 1.50 in 1968, it was the cam for the 307/200hp; 327/210hp, 250hp, 275hp, 300hp; and 350/295hp. The easiest way to tell the difference is to check the 8th digit of the Vehicle Identification Number (VIN) on the original vehicle. Canadian made ERTEL brand. 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. Small Block Casting numbers Use these casting numbers to identify the exhaust manifolds you have. 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 Inc. Lee's Summit MO. 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. Getting a camshaft can be a burden on many car owners; it works well when you have the right one. To be sincere, flat tappet just owns the name flat. These markings will usually be in the center of the camshaft, obviously in between the valve lobes. Thanks, Your email address will not be published. News Chevrolet Performance Releases The Impressive L8T As A Crate Engine . Casting numbers used on factory 366ci tall deck engines (some used on multiple engines): *ending 328: 1980 through 1991. 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. What are your thoughts on the #5054 or anything else? The only thing we dont know from these number is the cams intake centerline. Because the camshaft orchestrates the entire valve system, your Chevy won't run properly without it. Does Your License and Registration Address Have to Match? Chevy Intake Manifolds Trying to find the specs on this camshaft. This is the COMPCams equivalent of the Rosetta stone for cam lobes. I have Comp Cams camshaft. COMP Cams 12-600-4 Thumpr Cam, Small Block Chevy, 2000-5800 RPM. A good camshaft cannot be underrated, so you need it to make your engine function well. You can make a sure bet by just selecting randomly but your engine life will be in big problem. 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. 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. On the shaft the #'s 1539 are stamped in one spot, and CWC is stamped in another spot. This is a job for professionals and the mechanically-inclined. If you are confused as to which cam you should buy for your beast, Crane has you covered. **Due to the COVID-19 pandemic a large number of products are on backorder and shipping times are longer then usual. The numbers engraved in the body part of the camshaft are called the Stamped number or casting number. (Advanced five degrees; use spring P/N 3970627.) In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. 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. In 1972, it was the cam for the 307/130hp; and an optional cam for the 350/165hp, 175hp, 200hp; and 400/170hp. Answer (1 of 4): Most common specs for an engine would be for example. order on 8.1L big block engines is different than a normal big block. Stock GM LS engine cams feature LSA anywhere from 116 to 121 degrees because GM is concerned with creating a very smooth idle. CAM 6964 1969 CAMSHAFT ID. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Now zero the indicator and turn the engine backward until the dial indicator reads roughly 0.100-inch. By visual inspection. 139536 93B2B, I have a solid roller cam has cc 950 k5462 r6 292-5 296-6 stamped on front help with specs, I am just trying to decode the cam out of my 400m.