How To Find The Percentage Of A Number, Articles G

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. 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. p/n 12560967, .466/.457, 191/190, 114 LSA. 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. I dont have any numbers. How to Start a Car with a Blown Head Gasket (Explained). Analog system. I have a fessler roller cam trying to identify the grind specs. View (5) $203.95 More Info. Chevy . They include: Identifying with your eye. The LS . With your cam it might come out to somewhere between 114 to 110 degrees depending on if the cam was machined with advance. . no idea) and only pulls about 10psi vac at idle. A call to Comp at 1-800-999-0853 will probably give you some more details. Used on RPO: L86 (1980-1991). Melling listings include OEM applications to match the engine requirements desired including horsepower, economy and needed engine torque. Can a Bad Battery Cause a Check Engine Light to Come On? CAMSHAFT SPECIFICATIONS Part No. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Vortec truck, Gen.I crate motors and ZZ4, roller cam, one piece rear seal: 12550592 : 97-up : 350 : crossbolted block, Gen.III, LS1, aluminum: This same pattern was followed throughout the 1997 production cycle. 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 . The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and 0.328-inch lobe lift. Part Number: Type: DUR @ .050" Lift: C/R: LSA: Usage: 14093643: Hyd. But this comes at the cost of reduced torque in the middle of the rpm band. I bought a 34 Ford pickup with a 302 installed. 4226 what kind of camshaft is it. How Long to Drive After Reset Computer to Pass Emission Test? Can you guys help me pick a cam and fix my combo? 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 . 49 BBC -6 ATC 223 78 BBC 32 ATC 290 .298 .447 . A Solid Lifter Camshaft for 1970 1971 and 1972 Camaro Z28 or Corvette with the 350 LT1 Small Block Motor. News Chevrolet Performance Releases The Impressive L8T As A Crate Engine . Information is premium and can save you from errors and spending excessively. Dec 31, 2009. If it is an original GM part, these numbers will be there. Stamped on end is Z099, also has three pink dots above that stamping. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. Any info helps, or where I can find. 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. This was one of the best selling/most popular cams through the years past! No smoke, but I have not checked compression yet. 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 best camshaft that works well with your vehicle. If the number was 110 degrees, this would increase the amount of overlap. 1991 and later Gen.V, VI and VII production BBC motors have one-piece rear main crank seals. Switching to Synthetic Oil After 100k Miles: Pros and Cons. Chevy V8 "W" Motor 348-409 Casting Numbers. 25-12. They minimize friction, which ensures the camshaft contains more power. PERFORMANCE PARTS | My great WordPress blog. Any advice? 1954-1955 235 Engine 3835913; 1956-1962 235 Engine 3836848; 1956-1962 261 Engine 3836850 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. I was pretty careful with the float settings etc and it fired right up when put back on! There are two easy ways: 1. The only thing we dont know from these number is the cams intake centerline. It has a taper inside the lobe which ensures the lifter can spin. Quick View. It is a mode of identification used by manufacturers. motor could have casting number 10112391 or 10112391S that is the service replacement. Camshafts come in a wide array of variations, and Chevrolet has a range of camshafts for different applications, engine sizes and performance specs. Can you tell me the specs on this cam from these numbers? In 1971 he installed a 1965 Corvette fuel injection system. Since 2003, Jeff has held various positions at Car Craft (including editor), has written books on small block Chevy performance, and even cultivated an impressive collection of 1965 and 1966 Chevelles. With this intake lobe: 0.328 x 1.7 = 0.5576-inch, which COMProunds off to 0.558-inch. Their outer look tells the difference. The prefix consists of five digits and explains the date and the location of the Chevy's manufacture. Below is some reference data for cylinder head casting numbers with valve sizes, years used, etc. Learn how your comment data is processed. They are not so much of the speeding type. by Greenlight Mon Nov 10, 2014 6:56 pm. This will help you get the full details directly from the manufacturing, which requires the model and other factors that need attention. How to Turn off Daytime Running Lights (Explained), How to Turn Off Headlights While Car is Running. side, aluminum1010617990350.LT5, ZR1, DOHC, 32-valve, drvs. On the home page, we looked for the Information tab and then clicked on Catalogs. His work has appeared in the "New Haven Register," Medford's "Mail-Tribune" and the "Ashland Daily Tidings." 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). The easiest way to tell the difference is to check the 8th digit of the Vehicle Identification Number (VIN) on the original vehicle. Can Jumpstarting a Car Damage the Alternator? I have a Pontiac camshaft with 960938 number on the backside. I just rebuilt the carb as it was pretty dirty and leaked at the accel pump. 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. There are 3 different ways to select your camshaft tightly. The markings on end of cam is 300C6 and X6733. 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. Chevy V8 SBC Block and Head Casting Numbers. After working as a reporter in Oregon, he is now based back home in New Haven. There following are ways you can tell a difference: As the name implies, these sets of numbers reveal the model of the camshaft. Old school Comp 9000 Mallory Distributor and coil. ** Free Shipping for Engines & Transmissions* Learn More; 0; 888.284.7491 . It is typically located in the center of the cam between the lobes. It is typically located in the center of the cam between the lobes. You can basically find it in the center of the cam between the lobes. This is what is on the cam, it would not let me past a picture here. For as simple as this product appears, it is actually a very complicated piece of engineering if you study it closely. Lift of tested lobe could be .300" before wear. Answer (1 of 4): Most common specs for an engine would be for example. All you have to do to determine valve lift is multiply the lobe lift times the rocker ratio. Any help much appreciated. 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.