This will give you the intake centerline. Does OnStar Keep Location History? Four or six-cylinder can be attached to the valves. Chevy LSX454 Camshaft. The radiator, hoses, timing assembly, belts and fan will need to be removed to access the camshaft. We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. Melling listings include OEM applications to match the engine requirements desired including horsepower, economy and needed engine torque. 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. This was one of the best selling/most popular cams through the years past! 4270 H11 then letters CC vertically, then CB6554 can you tell me the specs on this cam? 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. (Yes or No), Will Hub Centric Rings Stop Vibration? It is a mode of identification used by manufacturers. The car came with the two cams you identified above, Stored in cardboard tubes, With the #5054 & date 1971 stamped on tubes. This is the COMPCams equivalent of the Rosetta stone for cam lobes. Now turn the engine clockwise and stop at 0.050 on the opening side of max lift and record the degree wheel reading. Stamped on end is Z099, also has three pink dots above that stamping. CAMSHAFT SPECIFICATIONS Part No. In 1971 he installed a 1965 Corvette fuel injection system. Step 2 Locate the ID number on the camshaft. Hi, I have a cam that trying to figure out the specs on. Chevy V8 "W" Motor 348-409 Casting Numbers. This an original 1966 283 camshaft casting number is 3732798, hydraulic lifters. It's a stock cam. .390 .410 310 320 1.50 in 1968, it was the cam for the 307/200hp; 327/210hp, 250hp, 275hp, 300hp; and 350/295hp. How to Turn off Daytime Running Lights (Explained), How to Turn Off Headlights While Car is Running. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. They are the flat tappet and roller camshaft. I have a new cam was told it was a comp cam # 1136 230780 any ideas on cam specks. Re: camshaft identification. It means the valve is open at 255 degrees. All you have to do to determine valve lift is multiply the lobe lift times the rocker ratio. The only thing we dont know from these number is the cams intake centerline. Using stamped numbers and. .390 .410 310 320 1.50 In 1968, it was the cam for the 307/200hp; 327/210hp, 250hp, 275hp, 300hp; and 350/295hp. Any info helps, or where I can find. They are widely used and they perform well, which is more affordable than a roller cam. were used. In 1974, it was the cam for the 350/145hp, 185hp, 195hp; and 400/150hp, 180hp. If you notice any mistakes or have any additions, use my contact me form and let me know so I can update the list. Car AC Compressor Not Turning On (Causes and Quick Fix). Knowing the measurement of a lobe separation angle is another special way of telling the difference between camshafts. Small Block Casting numbers Use these casting numbers to identify the exhaust manifolds you have. E This number should be on your camshaft, followed by a number of degrees. Locate the ID number on the camshaft. 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. Camshafts come in a wide array of variations, and Chevrolet has a range of camshafts for different applications, engine sizes and performance specs. Anyone have any idea what make and specs are of this cam? On the outside there is a Carter AFB 9637 (625CFM) sitting on an Edelbrock manifold. Compare Related Articles. motor could have casting number 10112391 or 10112391S that is the service replacement. 366299.4Bowtie, Aluminum, nodular iron splayed caps, wet sump, 4.00" bore389257..302..67.2393288..28365-672460703..350..78.4460776..30578-792460777..30578-792460778..30578-792 or 4, some Canadian assembled heavy duty truck blocks have 4-bolt main caps471511..26779-8223556519.28358-6123703524.265..55.2No oil filter3720991.26556-5723731548.265572No side motor mounts3731548.283572No side motor mounts3737739.28358-6423756519.28358-6223782870.32762-6723789817.28362-6423789817.32762-6723789935.28361-6423790721.28362-642Chevy II recessed oil filter boss3790721.32765-662Chevy II recessed oil filter boss3791362.32762-672Chevy II recessed oil filter boss3792563.327..65.23792582.28364-6523794226.28358-6323794460.32762-6423830944.327..63.23834810.28364-6623834812.28362-6323837739.28358-6223849852.28357-6623849935.28365-6723858174.32764-6723858180.32764-6723858618.35068-7623862194.28365-672Chevy II recessed oil filter boss3862812.28362-6423892657.302..67.2Z-28 Camaro3892657.327..67.23892657.350..67.2Camaro3896944.28366-6723896948.28366-6723903352.327..67.23914636.307..68.23914638.307..68.23914653.30768-7323914660.327..68.23914678.302..68.2Z-28 Camaro3914678.327..68.23914678.350..68.23931174.307..68.2Truck3932371.30769-7323932373.30768-7323932386.302..69.4Z-28 Camaro3932386.327..69.23932386.350..69.2 or 43932388.327..69.23932388.350..69.2 or 43933180.32768-6923951509.40070-7143951509.40074-8023951511.40070-734Some replacement blocks had 2-bolt main caps3956618.302..69.4Z-28 Camaro3956618.32768-6923956618.350..69.2 or 43956632.307..69.23959512.32762-672Was also used for some "CE" replacement blocks3959532.283642Used for some "CE" replacement blocks3959538.327..2Chevy II recessed oil filter boss, Used for some Chevy II "CE" replacement blocks3970010.302..69.4Z-28 Camaro3970010.327..69.2Trucks and industrial3970010.35069-802 or 43970014.35070-762 or 43970020.30769-7323970024.30769-7324715111.305..80.26259425.35069-762, 95509..400.762 bolt have only seen one10036033350..4Goodwrench crate motor, 2-piece rear seal, "Hecho en Mexico"10046164305..86.210049804..4Aluminum, Pontiac Super Duty version of Gen.I SBC, 4.00" bore, 350 mains, 2-piece rear seal, splayed caps, GTP race block10051182..2 or 4Bowtie, 3.75"-4.30" bores, 1 or 2-piece rear seal10051184..4Bowtie, 4.00"-4.155" bores, 1 or 2-piece rear seal1005472735086-up2 or 4one piece rear seal, some "Made in Canada"10066036350..2 or 4Target Master/Goodwrench crate motor, 2-piece rear, seal, "Hecho en Mexico"10066038350..92.4Goodwrench crate motor, 2-piece rear seal, "Hecho en Mexico"10090511350..90.2LT-5, ZR1 Vette, 375hp1012532735092-up2 or 4Gen.II LT-1, reverse flow cooling1012532735096-up2 or 4Gen.II LT-4, reverse flow cooling10134398..4Bowtie, Aluminum, 4.125" bore, 2.65" main journals10134996..4Bowtie, Aluminum, 4.125" bore 2.65" main journals1015355835091-924LT-5, ZR1 Vette, 375hp1016858826594-962L99, Gen.II, 4.3 Liter V-8, Caprice, reverse flow cooling1019900135093-954LT-5, ZR1 Vette, 405hp1024387830596-982Vortec truck, roller cam, one-piece rear seal1024388035095-002 or 4Vortec truck, Gen.I crate motors and "ZZ4", roller cam, one piece rear seal1255059235097-upcrossbolted block, Gen.III, "LS1", aluminum1255135899-upGen.III, 4.8L or 5.3L, cast iron, truck1255136436498-04crossbolted cast iron Gen. III, 6.0L, truck1255937835099-upcrossbolted block, Gen.III, "LS1", aluminum1255984635098-upcrossbolted block, Gen.III, "LS1", aluminum1256062135098-upcrossbolted block, Gen.III, "LS1", aluminum1256062635099-upcrossbolted block, Gen.III, "LS1", aluminum1256062935099crossbolted block, Gen.III, "LS1", aluminum1256116835001-upcrossbolted block, Gen.III, "LS1", aluminum1256217435098-upcrossbolted block, Gen.III, "LS1", aluminum1256895236405-upcrossbolted block, Gen.III, 6.0L, aluminum, LS21256691032504-upcrossbolted block, Gen.III, 5.3L, aluminum, SSR truck1257104832504-upcrossbolted block, Gen.III, 5.3L1257358136498-04crossbolted cast iron, Gen.III, 6.0L, truck1257718436498-04crossbolted cast iron, Gen.III, 6.0L, truck1257739602-upGen.III, 4.8L or 5.3L, cast iron, truck1401020130580-8521401020230580-8521401020330580-8521401020735080-852 or 41401020935080-852 or 41401028026779-822140110643508341401114835087-89.Roller cam, one-piece rear seal1401637626779-8221401637935077-792 or 41401638130580-8421401638230579-8421401638330580-852Truck1407928735086-90.Truck1408852635087-89.Roller cam, one-piece rear seal1408854835086-882 or 41408855130586-872one-piece rear main seal1409362730587-942Roller or flat tappet cam, one-piece rear seal1409363835087-952 or 4Roller or flat tappet cam, one-piece rear seal1409476630586-up2One-piece rear seal1410114730585-up21410114835086-904One-piece rear seal1410205830587-912Roller cam, one-piece rear seal22551656..4Chevy/Olds Rocket block, 4.00"-4.190" bores, 2.45" main journal sizes, splayed caps, dry sump, 2-piece rear seal, 9.025" deck22551660..4Chevy/Olds Rocket block, 4.00"-4.190" bores, 400 mains journal sizes, splayed steel caps, wet sump, raised cam 2-piece rear seal, 9.300" deck. I have a fessler roller cam trying to identify the grind specs. 1954-1955 235 Engine 3835913; 1956-1962 235 Engine 3836848; 1956-1962 261 Engine 3836850 with Jeff Smith: How to Decode a COMP Cams http://www.onallcylinders.com/Jeff Smith: First of all, the CC refers to COMP Cams. Switching to Synthetic Oil After 100k Miles: Pros and Cons. Hope weve helped you with a little more camshaft knowledge. . The prefix consists of five digits and explains the date and the location of the Chevy's manufacture. I suspect you have . Under that heading toward the bottom we found a tab for the Cam Lobe Master Catalog. Crane makes Blueprint camshafts for almost, if not, every GM, Ford, Mopar engine from the sixties and seventies. . To be sincere, flat tappet just owns the name flat. Quick View. A Solid Lifter Camshaft for 1970 1971 and 1972 Camaro Z28 or Corvette with the 350 LT1 Small Block Motor. Chevy Intake Manifolds (Yes or No). Cam is in used shape but with little to no wear. GM used a forged crankshaft, oil-spray cooled Hypereutectic pistons, and a hydraulic roller camshaft made to handle boost. cam 5054 i am still searching for "Three Rules of Work: Out of clutter find simplicity; From discord find harmony; In the middle of . In 1987, he assumed the role of editor for Hot Rod magazine before returning to his first love of writing technical stories. Step 3 Match the number to a Chevrolet camshaft part number listing. ** Free Shipping for Engines & Transmissions* Learn More; 0; 888.284.7491 . The greater number of degrees means there is less overlap between the intake and exhaust lobes. I have 3.55 geArs and a 3600 stall. Reading a Cam Card: Advance Every engine needs a timing device that can control the opening and closing of the intake and exhaust valves. 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. (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. 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. $510.45. Any way to to determine the type of cam from the outside? . Thanks, Mike. One thing I"m trying to figure out is if the orig cam is still in the car. The recall affects several models of heavy duty Chevrolet Silverados and GMC Sierras with optional engine block heaters. Jeff Smith: First of all, the CC refers to COMP Cams. We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. 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. Retired GM employee, John Hinckley, an NCRS Master Judge, explains the one number . Sept. 2019 Drag-Week Winner - N.Y. Legal Streeter - 1956 Chevy Bel-Air, http://www.msnusers.com/Chrisjunque/shoebox.msnw?action=ShowPhoto&PhotoID=2. ZL-1, Mark IV3946053.427.97-up4-bolt, Alum. That gives us our first clue where to look for the rest of the numbers. Chevrolet LS7 Camshaft. JavaScript is disabled. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! One of these cams looks unused and the other at best slightly used. 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. In 1975, it was the cam for the 350/145hp, 155hp, 165hp; and 400/175hp. Vortec truck, Gen.I crate motors and ZZ4, roller cam, one piece rear seal: 12550592 : 97-up : 350 : crossbolted block, Gen.III, LS1, aluminum: In this case: 108 + 116 = 224 degrees / 2 = 112 degrees. diameter However, most cams intended for street use are ground with several degrees of advance. These markings will usually be in the center of the camshaft, obviously in between the valve lobes. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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). 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. Chevy V8 Crankshaft Casting Numbers. This type allows more direct airflow through the engine without having to deal with obstruction. It is 8 figured random numbers and sometimes 9 figures with the last 4 numbers identifying the specific function of the Cam Shaft. Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). How Long Does it Take for Oil to Drain Back into the Pan? Small Block Casting numbers Big Block Crankshaft Cylinder Head ID Use these casting numbers to identify the heads you have. And there is a CR inscribed as well off the lower left Thank, Ray. CAM 6930 1967 CAMSHAFT ID. We would like to thank everyone that has contributed to the data provided on this site. For a better experience, please enable JavaScript in your browser before proceeding. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Rear cam bearing journal is etched/engraved Fessler Killer Cams #38 Any info is appreciated. Why are Volkswagen Oil Changes so Expensive? In 1973, it was the cam for the 307/115hp; 350/145hp, 175hp, 190hp; and 400/150hp. . 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. Roller: 202/206 .403"/.415" 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. With your cam it might come out to somewhere between 114 to 110 degrees depending on if the cam was machined with advance. The grind number is the ever noted number, far and more recognized than the model number. 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. A roller camshaft has its wheel attached to the bottom of the lifters body. Add the two numbers together and divide by 2. Are you a newbie in dealing with cars and you seem not to know how useful a camshaft is and what is used for? This is a COMP Cams timing card. I have verified this information with a degree wheel and a dial indicator, 300 degrees @ 0.006 lift, 250 degrees @ 0.050 lift, lift is 0.266 or 0.399 at valve, and LSA of 11.5. That gives us our first clue where to look for the rest of the numbers. **Due to the COVID-19 pandemic a large number of products are on backorder and shipping times are longer then usual. I have more than 4 Camaro's am I Addicted? Chevy . E.g. 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. 4009f/4024f 68553-06. 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 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. Terms of Service. the 4.3L LT1 was also referred to as the L99 (not to be confused with the LS variant bearing the same name) DOHC is a production to improve the volumetric of the internal combustion engine in which it has more power than a simple overhead cam. Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. Displacing 2.4 liters in an inline-four configuration, the LEA is part of the Ecotec engine. The LS engine is designated 54 and this number is generally the first two numbers that define the actual cam part number. $426.78. There are 3 different ways to select your camshaft tightly. It's for a 99-04 truck. I have a Pontiac camshaft with 960938 number on the backside. Different chamber volumes, port volumes, port locations, valve sizes, etc. It has a taper inside the lobe which ensures the lifter can spin. Speed isnt a problem with a dual camshaft and it increases the engines power. You can make a sure bet by just selecting randomly but your engine life will be in big problem. The model prefix is the first part of the camshaft number, and it describes the vehicle that the camshaft is meant for. Camshafts are identified by (usually) the last 4 digits of the part number and a casting symbol. Small Block Chevy Factory Camshafts . His work has appeared in the "New Haven Register," Medford's "Mail-Tribune" and the "Ashland Daily Tidings." In 1972, it was the cam for the 307/130hp; and an optional cam for the 350/165hp, 175hp, 200hp; and 400/170hp. A SOHC allows at least 2 to 3 valves per cylinder configuration, with more manufacturer prowess. This card reveals the basic information you need to identify, properly install, and degree the camshaft in the engine. I tried searching & googling these markings with no luck. PG,63 4WD 1st series. Canadian made ERTEL brand. They appear to be a rock arms with a small diameter. Discussion in 'The Hokey Ass Message Board' started by indestructableforce, Nov 13, 2012. What Happens When the Turbo Goes on a Diesel? Thank you ,This has been very helpful. Hey Keith, we did some quick sleuthing and your cam MAY be for a BBC Marine (boat) motor application thats been discontinued. 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. 0967 is the last four digits of the GM part number. Can You Register a Car in a Different Name than on the Title? 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. The markings on end of cam is 300C6 and X6733. The engine also had smaller 1-1/8? 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. The exhaust number also comes through some time, maybe if you see digits like 266/288; the second shows the exhaust number. 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. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. After graduating from Iowa State University with a journalism degree in 1978, he combined his two passions: cars and writing. The numbers on it are, 3734R/3377R, HR13, I 3996-06. Casting numbers used on factory 366ci tall deck engines (some used on multiple engines): *ending 328: 1980 through 1991. It helps you know the compatibility of the camshaft to the supposed vehicle you want to use it for. The car has all orig drive train, Except for fuel injection and headers. COMPCams uses two-number designations for all its engine families. Only thing is the idle mixture screws have little effect (oh no timing pointer either on order) so cant really tell timing. Looking for 4311-4314-r106 Q 7388-04 CAN ANYONE TELL ME WHERE I CAN LOOK THE SPECS UP! Used on RPO: L86 (1980-1991). Below is some reference data for cylinder head casting numbers with valve sizes, years used, etc. The Vehicle's Service Parts Identification Label Will Have The VIN Digit and Engine RPO Code (Circled) To Confirm Engine Application Gen III LS Engine Car Applications 1997 to 2004 Corvette, 1998 to 2002 Camaro & Firebird, 2004 GTO: 5.7L LS1 2001-2004 Corvette, 2004-2005 Cadillac CTS-V: 5.7L LS6 Gen III LS Engine Truck Applications: Once we found the hydraulic roller section, the first column lists each lobe by number. A call to Comp at 1-800-999-0853 will probably give you some more details. 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. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. The easiest way to tell the difference is to check the 8th digit of the Vehicle Identification Number (VIN) on the original vehicle. Any advice? The 8.1L FO is 1-8-7-2-6-5-4-3 where a 454/7.4L is 1-8-4-3-6-5-7-2 as seen in Figure 1. Only show this user. So why did this cam not have a lope to it in the 283, from everything I am reading long . Match the number to a Chevrolet camshaft part number listing. (Advanced five degrees; use spring P/N 3970627.) GM is recalling seven. Also a great fitting cam for the earlier 302 or 327 Solid lifter Hi-Po motors used by Corvette, Nova or Camaro. Trying to find the specs on this camshaft. p/n 12560967, .466/.457, 191/190, 114 LSA. CAST3736098. (Yes or No). The pushrods cam stays above the cylinder, which is always above the combustion chamber. engine P/N 10185058. The first three-digit number shows the average duration time of the lobes. How to Get a California Drivers License with an Out of State License, Can You Register a Car Online in Florida? 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 duration at lash point in degrees (intake/exhaust) is 328/324; duration at .050" tappet lift (intake/exhaust) is 220/220; and . If we didnt already know this was an LS cam, the first thing we would want to do is determine the engine family. 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. 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. 330864: 1968 through 1991 oval port, open chamber, 2.06 in. Apr 19, 2020 Just to be clear, are those the numbers on the face of the cam behind the timing gear? If you are confused as to which cam you should buy for your beast, Crane has you covered. This will help you get the full details directly from the manufacturing, which requires the model and other factors that need attention. Installing a Timing Belt on Ford Ranger chevrolet image by Eduard Shelesnjak from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. If it is an aftermarket service replacement cam, it may not have the same last 3 digits of the casting number cast between the lobes. Can Jumpstarting a Car Damage the Alternator? Can you guys help me pick a cam and fix my combo? can you help me to decode this cam . I have no idea whats on the inside. I was pretty careful with the float settings etc and it fired right up when put back on! The EP1 (not EPI) indicates that it was cast for Engine Power Components. 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. Then do the same process with the lobe at 0.050 on the closing side. On the home page, we looked for the Information tab and then clicked on Catalogs. In 1974, it was the cam for the 350/145hp, 185hp, 195hp; and 400/150hp, 180hp. I'll post up a pic as well. Contact. The Chevy part number for that cam is 3896929. I bought a 34 Ford pickup with a 302 installed. Quick View. 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. You need the measurement of the diameter to compare with the database or any online store IDs. Your email address will not be published. The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. 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. 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. I have Comp Cams camshaft. In 1973, it was the cam for the 307/115hp; 350/145hp, 175hp, 190hp; and 400/150hp. 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. Step 2 Find the profile or grind number. Manufacturer Part Number. Information is premium and can save you from errors and spending excessively. The Fora platform includes forum software by XenForo. 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 ? 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. Chevrolet "Stock" LS Camshaft. Other examples include small block Chevys -12, big block Chevys -11, and 5.0L small block Fords -35. I purchased a used hydraulic roller camshaft from a friend that was originally used in an LS1 engine. 330545..73350.76cc chamber, 2.02/1.60333881..74-75350.76cc chamber, 2.02/1.60333882..74-80350/40076cc chambers340292..70's.Over the counter, angle plug, 64cc chamber354434..75-79262/267/30560cc chambers358741..76-79305376445..77-85350.76cc chamber, small valves376450..75-81262/267/305..6 or 7 exhaust bolt holes, 60cc chamber462614..77-79305.60cc chamber462624..75-86350/40076cc chamber, 1.72/1.5, 1.94/1.5 or 2.02/1.6 valves458642..75-84350.350468642..76-up350/400471513..79267/350517513..79267/3501816887.63283.Made in "Canada", GMC HD truck3636839.552653703523.552653713358.55-562653713569.55-562653725306.562653731539.57283.283 HP FI3731544.57-612833731554.57-622833731556.57283.Truck, Made in Canada3731762.56265.Vette, 2x4 carbs3737775.62-67283/3273740997.57283.1x4, 2x4 & FI (exc.-283hp)3743056.582833743096.62-67327.GMC Truck3747363.57-612833747460.59-67283/32770cc chambers3748770.582833748772.58-612833755537.57-622833755549.57-622833755550.592833755585.62-67327.GMC Truck3767460.59-602833767462.62-673273767465.59-612833767754.59-61283.60cc chambers3767792.60-642833774682.60-64283/32770cc chambers3774684.62-64327.75cc chambers3774692.58-64283.60cc chambers3782461.64-66327Camel hump,no accessory holes,160/62cc port volumes,62cc chamber3782461X60-63283/327..Camel hump,no accessory holes,larger 172/64cc port volumes, 62cc chamber3795896.63-6528360cc chamber3795896.62-6432760cc chamber3798996.63-673273814480.60-67283/327..70cc chambers, 1.72/1.5 valves3814482.62-67283/327/350..75cc chambers3817680.63-67283/3273817681.62-673273817682.61-622833836839.552653836842.57-67283/3273837064.56-62265/2833837065.55-56265.Truck3848720.57-582833876775.60-67283/32775cc chamber3884520.60-67283.Some marked "Made in Canada", 60cc chamber, also used by Studebaker3884520.62-67327.Some marked "Made in Canada", 60cc chamber, also used by Studebaker3890462.66-67302/327/350..Camel hump,no accessory holes,64cc chamber3901068.87-up350.Crate motor, 285hp, 64cc chamber3911032.68307/32770cc chamber3912264.58-622833912265.63-642833912311.65-673273912313.65-673273917290.67-68307/3273917291.67-68302/327/350..Camel hump,no accessory holes,64cc chamber3917292.68327/350Camel hump,64cc chamber3917293.67-68307/32775cc chambers3927185.69-76307/327/350..70cc chambers3927186.69-70302/350Camel hump,64cc chambers,accessory holes3927187.69-70350.Camel hump,64cc chambers,accessory holes3927188.69327.74cc chambers3927188.70307.74cc chambers3931633.68-733073931635.68-763503931638.68327.Truck3932441.69-70350.76cc chambers3932441X69-70350/40080cc chambers3932454.69-733073932454.69-79350.Truck3946812.693503946813.69-79350.Truck3947040.68327."Right angle" casting identifier, 64cc chambers, good HP head,used in trucks, no accessory holes3947041.69-70302/350"Right angle" casting identifier, 64cc chamber, accessory holes, good HP head3947041X69-70302/350"Right angle" casting identifier, 64cc chamber, 165cc intake port, accessory holes, good HP head3951598.70400.76cc chambers39642863503965742.70350.over the counter, angle plug3970126.67-71327/3503973370.69-70350.over the counter in US, Canadian 350/300hp production use in Pontiac, 64cc, straight or angle plug3973414.70350.LT1-350/370hp, Camel hump, 64cc chamber3973487.71-72350.1.94/1.5 or 2.02/1.6 valves, was also used on '71 350/330hp LT1, 75cc chamber3973487X71-72350.1.94/1.5 or 2.02/1.6 valves, 75cc chamber3973493.71-72400.76cc chamber3986316.71350.76cc chamber3986336.71350.76cc chamber3986336X71350.76cc chamber3986339.71307/35074cc chamber3986339X71307/35074cc chamber3986388.68-76307/3503991492.70350.LT1,Camel hump,accessory holes,64cc, straight plug3991492.70-up.over the counter,Camel hump,64cc, straight or angle plug3998916.72350.also used w/'72 350 LT1, big valves, screw in studs, 76cc chambers3998920.72-733503998991.72-73307/35075cc chambers3998993.72-73307/35075cc chambers3998993.current..350Goodwrench crate motors,"Hecho en Mexico", 75cc chambers3998997.72-73350/40076cc chambers3998997.78-84305/35076cc chambers4079261.7535010033867Aluminum,over the counterPontiac 23' head,62cc,angle plug, 196cc intake port10045434Over the counter Pontiac 15' head 55cc, angle plug, raised runner aluminum, "roll over" head10051101Bowtie, aluminum, 55cc, angle plug raised runner, 196cc intake port1006520287-95350.Truck1006520387-95350.Truck1006520487-953501006520587-953051006520687-953501006520787-953051008811388-up350.Aluminum, 58cc, angle plug, raised "D" port exhaust, 1.94"/1.5" valves10093328Over the counter, Pontiac 15' head aluminum,224cc ports, 61cc chambers "roll over" head1010617890350.LT5, ZR1, DOHC, 32-valve, pass.
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