Displacing 2.4 liters in an inline-four configuration, the LEA is part of the Ecotec engine. This is a job for professionals and the mechanically-inclined. You can also use an analog system to identify unknown camshafts. camshaft identification help???? | Pirate 4x4 In this case: 108 + 116 = 224 degrees / 2 = 112 degrees. 1014789895-98350.Gen.I crate motor1015955087-953501015955187-953051015955287-953501015955387-953051017438991-94350.LT5, ZR1, DOHC, 32-valve, drvs. eBay Product ID (ePID) 2320190292. On the outside there is a Carter AFB 9637 (625CFM) sitting on an Edelbrock manifold. diameter 1954-1955 235 Engine 3835913; 1956-1962 235 Engine 3836848; 1956-1962 261 Engine 3836850 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. It's for a 99-04 truck. It models the airflow for the computer to calculate fuel. You can basically find it in the center of the cam between the lobes. It means the valve is open at 255 degrees. Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. It helps you know the compatibility of the camshaft to the supposed vehicle you want to use it for. Camshaft Specifications and Terminology - Speedway Motors The best way to identify an unknown camshaft is by identifying it with your eye or using stamped numbers engraved on the camshaft to identify it. Chevy SBC 395/401 Lift Camshaft Kit 3736097 Duntov 283 Fuel Injection The pushrods cam stays above the cylinder, which is always above the combustion chamber. Switching to Synthetic Oil After 100k Miles: Pros and Cons. If you are confused as to which cam you should buy for your beast, Crane has you covered. 1963 Chevrolet Corvette L75 327ci 4 SPD RESTORATION I can't help you in regards to who actually did the final grinding. Could someone help me identify these cam numbers ? How Long Does it Take to Replace a Catalytic Converter? They are not flat, and they are recognized with a slight crown on the face. Terms of Service. Melling listings include OEM applications to match the engine requirements desired including horsepower, economy and needed engine torque. i have a 383 chev engine ibought and would like to know what cam is in it. 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quote you the numbers from the 1964 "Parts and Accessories Catalog" but, be aware that earlier numbers may exist and be superseded by the ones listed in this catalog. 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 . In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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 Inc. Lee's Summit MO. If you want to know where the intake centerline is located, all you have to do is install the cam in the engine and then degree the cam. 2. Hey Keith, we did some quick sleuthing and your cam MAY be for a BBC Marine (boat) motor application thats been discontinued. Run-out on. Can a Wheel Speed Sensor Cause Limp Mode? Information is premium and can save you from errors and spending excessively. The next two numbers are the valve lift of . side, aluminum1017439091-95350.LT5, ZR1, DOHC, 32-valve, pass. The Chevy part number for that cam is 3896929. Stock GM LS engine cams feature LSA anywhere from 116 to 121 degrees because GM is concerned with creating a very smooth idle. I have a fessler roller cam trying to identify the grind specs. 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. Add the two numbers together and divide by 2. Any time you are making this kind of important decision about your engine, it's . Also there is a Blue dot just under the distributor drive gear. What are your thoughts on the #5054 or anything else? The LEA is an engine produced by General Motors for a wide variety of compact and midsize vehicles. Quick View. COMP Cams 12-600-4 Thumpr Cam, Small Block Chevy, 2000-5800 RPM. The identification number consists of a seven-to-eight digit code. The only thing we dont know from these number is the cams intake centerline. If you don't have the VIN, you can still identify the engine by visual inspection if you know what to look for. 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). .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 HI-PO color coded stripes on the camshaft end are green, orange and red. Now he serves as a regular contributor to OnAllCylinders. The ID number will consist of either eight or nine digits; the last four numbers identify the cam and its specific application. Chevy Block Casting Numbers: Full List and Lookup - Chevy Geek - AFE 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 . GM 3736097 Vintage Duntov Camshaft for sale online | eBay It is a mode of identification used by manufacturers. E Once we found the hydraulic roller section, the first column lists each lobe by number. His work has appeared in the "New Haven Register," Medford's "Mail-Tribune" and the "Ashland Daily Tidings." Ford Au part no ! Step 2 Locate the ID number on the camshaft. 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. 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. This method requires you to do a few tasks like measuring some diameters and comparing them to the database. 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. Knowing the measurement of a lobe separation angle is another special way of telling the difference between camshafts. Reference: Chevy Engine Block Casting Numbers - Chevy Hardcore The exhaust number also comes through some time, maybe if you see digits like 266/288; the second shows the exhaust number. 4226 what kind of camshaft is it. Does OnStar Keep Location History? Big Block Chevy Cam Identification - Engine Builder Magazine 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. The markings on end of cam is 300C6 and X6733. 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. force 120hz android The GM Ecotec engine, also known by its codename L850, is a family of all-aluminium inline-four engines, displacing between 1.4 and 2.5 litres. 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. For as simple as this product appears, it is actually a very complicated piece of engineering if you study it closely. The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and .328-inch lobe lift. SBC Block Casting Numbers. That gives us our first clue where to look for the rest of the numbers. *54-55 passenger W/PG, 56-58 passenger. 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. To avoid spinning, roller lifters are lifted together. Small Block Casting numbers Use these casting numbers to identify the exhaust manifolds you have. Now turn the engine clockwise and stop at 0.050 on the opening side of max lift and record the degree wheel reading. The last 3 digits of the number of the CASTING is frequently very close but not the same as the PART number of the camshaft assembly. 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. My buddy says its a mild cam thats bigger than a stock LS6 version, but he didnt have any more information. With this intake lobe: 0.328 x 1.7 = 0.5576-inch, which COMProunds off to 0.558-inch. Camshafts Melling offers a full line of OE replacement camshafts for cars, light duty, medium duty and heavy duty trucks. How to Identify Unknown Camshaft in 2022 (3 Best Methods) 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. Manufacturer Part Number. I only put the numbers here that I can prove, so this is a short list. 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. 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. 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. After working as a reporter in Oregon, he is now based back home in New Haven. Casting numbers used on factory 366ci tall deck engines (some used on multiple engines): *ending 328: 1980 through 1991. (Advanced five degrees; use spring P/N 3970627.) DOHC is a production to improve the volumetric of the internal combustion engine in which it has more power than a simple overhead cam. Remove the camshaft from the engine if necessary. If you are looking for the actual Chevy engine codes that are stamped into the block during assembly, Nasty Z-28.com has an excellent block stamping number decoder. There are at least 6 different versions as of 11/99. This was one of the best selling/most popular cams through the years past! 4. Each code will be represented by the SES light flashing, pausing Differences and Applications of GM ECMs (GEN III, IV, & V) Good Day: From the distribute drive gear down are the folloing markings: CWC, 06, C14, EP1. side, aluminum1010617990350.LT5, ZR1, DOHC, 32-valve, drvs. How to Identify an LS Engine - OnAllCylinders Thanks, Mike. To decipher these codes, we accessed COMPs website at compcams.com. In 1970, it was the cam for the 307/200hp; 350/250hp, 300hp; and 400/265hp. Dec 31, 2009. intake and 1.72 in. They dont add to the function of the camshaft itself. This an original 1966 283 camshaft casting number is 3732798, hydraulic lifters. A stamp is not a functioning part of a camshaft. 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. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. Hey. 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. To Develop Good Eye Habits While Driving You Should? Ford 1970 Kansas Cars for sale - SmartMotorGuide.com GM Casting Numbers - Deves Technet.com The numbers on it are, 3734R/3377R, HR13, I 3996-06. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! The easiest way to tell the difference is to check the 8th digit of the Vehicle Identification Number (VIN) on the original vehicle. In 1974, it was the cam for the 350/145hp, 185hp, 195hp; and 400/150hp, 180hp. The end of the cam is stamped 3709/3711 HR 114 followed by CC and 7661-11. were used. CAM 6964 1969 CAMSHAFT ID. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Small Block Chevy SBC Camshaft Identification? - YouTube 348/409 Part numbers I'll post up a pic as well. Also can i safely run the Xtreme Energy, XR294HR on my 383 Vortec 906 heads and screw studs ? .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 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and 0.328-inch lobe lift.

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