gm camshaft identification numbersweymouth club instructors
For instance, if you have numbers like 266H04, the last two digits are the numbers used to show the measurement of the lobes. I have a Pontiac camshaft with 960938 number on the backside. 1970 Mustang Mach I "Synergy Green Pearl"351 Cleveland - Fuel Injection "The Rattle Shaker" Complete nut and bolt rotisserie restoration LESS than 500 miles by C.A.R.S. Its got a great loping idle (big cam?? In 1970, it was the cam for the 307/200hp; 350/250hp, 300hp; and 400/265hp. Any advice? Chevy . One of these cams looks unused and the other at best slightly used. Chevy V8 BBC Block and Head Casting Numbers. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. intake and 1.72 in. Stock GM LS engine cams feature LSA anywhere from 116 to 121 degrees because GM is concerned with creating a very smooth idle. ). Vortec truck, Gen.I crate motors and ZZ4, roller cam, one piece rear seal: 12550592 : 97-up : 350 : crossbolted block, Gen.III, LS1, aluminum: The GM Generation I and Generation II (LT) engine families are both derived from the longstanding Chevrolet small block V8.The Generation III small-block V8 was a "clean sheet" design, which replaced the Gen I and Gen II engine families in 2002 and 1995 respectively.. Like the previous two generations, the Buick and Oldsmobile small blocks, the Gen III/IV can be found in many different brands. 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. I actually went through several lists and made some corrections before making this list. How Long Does it Take for Oil to Drain Back into the Pan? Anyone know whos cam this is. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! I dont have any numbers. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. E.g. At one time they supplied 85% of the blanks in the world. journal.3.00" stroke3849847.283.forged..small journal.3.00" stroke3876764.283.forged or cast..sm. The Chevy part number for that cam is 3896929. Thanks, Mike. After working as a reporter in Oregon, he is now based back home in New Haven. This is a COMP Cams timing card. These markings will usually be in the center of the camshaft, obviously in between the valve lobes. Does Your License and Registration Address Have to Match? One thing I"m trying to figure out is if the orig cam is still in the car. It is a mode of identification used by manufacturers. How to Turn off Daytime Running Lights (Explained), How to Turn Off Headlights While Car is Running. Because the camshaft orchestrates the entire valve system, your Chevy won't run properly without it. 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. A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. 1954-1955 235 Engine 3835913; 1956-1962 235 Engine 3836848; 1956-1962 261 Engine 3836850 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. That particular cam put my son's pump-gas 406" SB Chevelle to an 11.80 E.T. 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. It's a stock cam. Despite the differences, however, an 8.1L camshaft will drop right into a 454 like it belongs there - but it will only run four cylinders. On the home page, we looked for the Information tab and then clicked on Catalogs. side, aluminum1010617990350.LT5, ZR1, DOHC, 32-valve, drvs. The numbers engraved in the body part of the camshaft are called the Stamped number or casting number. 1130.327.forged..mediumjournal3.25" stroke1178.302.forged..medium journal3.00" stroke1181.305,350cast.medium journal3.48" stroke1182.350.forged..medium journal3.48" stroke2680.327.forged..small journal.3.25" stroke2690.350.forged..medium journal3.48" stroke3279.302.forged..medium journal3.00" stroke3474.283.forged..small journal.3.00" stroke, military tank use4577.327.forged..small journal.3.25" stroke4672.327.forged..medium journal3.25" stroke310514..350.cast.medium journal3.48" stroke330550..350.cast.medium journal3.48" stroke354431..262.cast.medium journal3.10" stroke3727449.283.forged..small journal.3.00" stroke3729449.265.forged..small journal.3.00" stroke3734627.327.forged..small journal.3.25" stroke3735236.265,283forged..small journal.3.00" stroke3735263.283.forged..small journal.3.00" stroke3782680.327.forged..small journal.3.25" stroke3814671.327.forged..small journal.3.25" stroke3815822..265,283,302.forged..small journal.3.00" stroke3835236.283.forged..small journal.3.00" stroke3836266.283.forged..small journal.3.00" stroke3848847.283.forged or cast..sm. Can You Register a Car with a Bill of Sale and No Title? Im looking into a cam to suit small block ford. If you notice any mistakes or have any additions, use my contact me form and let me know so I can update the list. The car has all orig drive train, Except for fuel injection and headers. Apr 13, 2014 Yeah, it has CR 760 stamped on the back, and then a date under it. It is an eight or nine-digit number. With your cam it might come out to somewhere between 114 to 110 degrees depending on if the cam was machined with advance. It doesnt add to the function of the camshaft, nor does it play an important role. Hey. I tried searching & googling these markings with no luck. 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. GM 6930 , 6964 and 5054. In 1972, it was the cam for the 307/130hp; and an optional cam for the 350/165hp, 175hp, 200hp; and 400/170hp. Contact. Stamped numbers are 529506 and 031531. This figure is derived by adding the intake center line plus the exhaust center line and dividing by two. Stamp numbers are engraved by the manufacturers to monitor production and distribution. Every engine needs a timing device that can control the opening and closing of the intake and exhaust valves. engine P/N 10185058. Re: camshaft identification. Hi, I have a cam that trying to figure out the specs on. Drivetrain: '95 T56, pro 5.0 shifter, hayes clutch, Stock 10 bolt with 3.42's As each engine model comes with a specific camshaft, proper identification is key to finding the right one. The EP1 (not EPI) indicates that it was cast for Engine Power Components. Under that heading toward the bottom we found a tab for the Cam Lobe Master Catalog. Ford Au part no ! The numbers are just figures a manufacturer uses to identify their products and to track them sometimes. 285/300hp, 64cc chambers, 1.94"/1.5" valves1401441580-85267/3051401441680-86305.1.84"/1.5" valves, 58cc chambers1401444080305.1.84"/1.5" valves1401982180-863501401992479-812671401992680-863501401051680-86350140205178035014020555813051402055681350140220568535014022206803501402230180-863051402260180-86267/3051.72"/1.5" or 1.84"/1.5" valves, 53cc chambers1402280180-8630514024816..350.76cc chambers, 1.94/1.5 valves, Gen.I crate motors1403480678-822671403480778-863051403480880-863501403480896-up350.76cc chambers, 1.94"/1.5" valves, Gen.I Goodwrench crate motors1403481080-86350.Truck1403481180-86350.Truck1403912181-86305.Truck1403912281-86305.Truck1407111480-863501407538180-86350.Truck14079261863501408584480-86350.Truck140859638635014088526..350.Gen.II, LT1, aluminum1408911986-883501409409386-883501409621780-96350.Crate motor, 285hp/300hp, 64cc chambers, 72' or 90' center intake manifold bolt angles1410108187-953051410108387-up350.Gen.I, also used on crate motors, 285 or 300 hp, 64cc chambers, 72' center manifold bolt angles1410112886-87350.Aluminum, 58cc, angle plug1410218787-91305.1.84"/1.5" valves1410219187-up3501410219387-up350.1.94"/1.5" valves22542525Dart/Olds/Chevy aluminum, 14'or 17' race head.2450255996-97.Bowtie, "SB2", 1st version, "mirror ports", aluminum, 196cc port, CNC version 280cc port, 38cc chamber25500141Buick/Chevy aluminum, 10' race head, 42cc chambers, symmetrical ports, 235cc intake port volumes, 2.1"/1.625" valves25534351C..04-up.Gen.I Bowtie, cast iron Vortec head, 175/65cc ports, 2.00/1.55 valves, "small port head"25534371C..04-up.Gen.I Bowtie, cast iron Vortec head, 206/77cc ports, 2.00/1.55 valves, "large port head"3341736990-up350.Gen.I Goodwrench crate motor,"Hecho en Mexico", 76cc, 0-3267114-bolt, Alum., CanAm, 4.44" bores, steel cylinder liners340220..427T68-854-bolt345014..454.70-86346236..454.75-762-bolt359070..454.70-90361959..454.73-902 or 4 bolt364776..427T68-854-bolt364779..366T68-904-bolt399204..509.70-714-bolt, Alum., CanAm, 4.5" bores, steel Cylinder liners399293..366T77-784-bolt473478..427T77-904-bolt495102..4-bolt, Alum., CanAm, 4.5" bores3782870.427T68-764-bolt3824553.366T66-674-bolt3855961.396.65-662 or 4 bolt3855961.427.662-bolt3855962.396.65-664-bolt3855977.366T66-734-bolt3869942.427.66-672 or 4 bolt3902406.396.672 or 4 bolt3904351.427.672 or 4 bolt3904354.366T66-764-bolt3916319.366T684-bolt3916321.427.682 or 4 bolt3916323.396.682 or 4 bolt3925521.427T68-854-bolt3935439.427.68-692 or 4 bolt3935440.396.68-692 or 4 bolt3937724.366T68-854-bolt3937726.427T68-844-bolt3946052.427.694-bolt, Alum. It has a taper inside the lobe which ensures the lifter can spin. Camshafts Melling offers a full line of OE replacement camshafts for cars, light duty, medium duty and heavy duty trucks. p/n 12560967, .466/.457, 191/190, 114 LSA. eBay Product ID (ePID) 2320190292. The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. Below is some reference data for cylinder head casting numbers with valve sizes, years used, etc. The radiator, hoses, timing assembly, belts and fan will need to be removed to access the camshaft. Do not enter the -2 on dual cams part numbers or the (I) that indicates intake or (E) for exhaust. many years ago! The HR refers to this as a hydraulic roller camshaft while the 114 refers to the lobe separation angle (LSA). 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. 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. 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. The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. After graduating from Iowa State University with a journalism degree in 1978, he combined his two passions: cars and writing. How Long Does it Take Transmission Fluid to Circulate? In 1987, he assumed the role of editor for Hot Rod magazine before returning to his first love of writing technical stories. The easiest way to get the best is to check the numbers in between the lobes or boxes. Four or six-cylinder can be attached to the valves. ZL-1, Mark IV3946053.427.97-up4-bolt, Alum. Oct 8, 2010 #2 Z z28rod Veteran Member Apr 30, 2009 4,472 hopewell junction,ny GM used a forged crankshaft, oil-spray cooled Hypereutectic pistons, and a hydraulic roller camshaft made to handle boost. Learn more about: Cookie Policy, Will a 50 Inch TV Fit in my Car? Chevy V8 SBC Block and Head Casting Numbers. A DOHC is known as a dual overhead cam. Sept. 2019 Drag-Week Winner - N.Y. Legal Streeter - 1956 Chevy Bel-Air, http://www.msnusers.com/Chrisjunque/shoebox.msnw?action=ShowPhoto&PhotoID=2. Anyone have any idea what make and specs are of this cam? I bought a 34 Ford pickup with a 302 installed. By visual inspection. 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. In 1974, it was the cam for the 350/145hp, 185hp, 195hp; and 400/150hp, 180hp. The 7661-11 is a serial number specific to that camshaft only. I have a new cam was told it was a comp cam # 1136 230780 any ideas on cam specks. motor could have casting number 10112391 or 10112391S that is the service replacement. If we didn't already know this was an LS cam, the first thing we would want to do is determine the engine [], it seems like you can barely write,you need education, I bought pair of cams for my 99 mustang 4.6 i was told they are stage 2 cams but i wanted to be sure before taking old ones off can u please help me identify them will they improve my pony thank u very much sir. Visit www.jamsionline.com to shop today. Privacy Policy. Can Jumpstarting a Car Damage the Alternator? $799.00 +$36.00 shipping. i have some stamps on the cam that i can see EP236 and CWC can these be used to idetify the cam. In the catalog, you will see the cams listed by configuration starting with flat tappet hydraulics and then hydraulic rollerswhich is what we want. The greater number of degrees means there is less overlap between the intake and exhaust lobes. .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 engine needs to function by opening the valve with the help of the camshaft. . Run-out on. On the outside there is a Carter AFB 9637 (625CFM) sitting on an Edelbrock manifold. The 8th digit of the VIN. 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 A SOHC allows at least 2 to 3 valves per cylinder configuration, with more manufacturer prowess. Remove the camshaft from the engine if necessary. But this comes at the cost of reduced torque in the middle of the rpm band. In 1969, it was the cam for the 307/200hp; 327/210hp, 235hp; and 350/250hp, 255hp, 300hp. cam 5054 i am still searching for "Three Rules of Work: Out of clutter find simplicity; From discord find harmony; In the middle of . I suspect you have . Once we found the hydraulic roller section, the first column lists each lobe by number. Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. 4270 H11 then letters CC vertically, then CB6554 can you tell me the specs on this cam? What are your thoughts on the #5054 or anything else? JavaScript is disabled. Chevy V8 "W" Motor 348-409 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.