gm camshaft identification numbers gm camshaft identification numbers

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. JAMSI is a trusted source of automotive engine parts. It is typically located in the center of the cam between the lobes. Match the number to a Chevrolet camshaft part number listing. 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: 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). Privacy Policy. A DOHC is known as a dual overhead cam. The LEA is an engine produced by General Motors for a wide variety of compact and midsize vehicles. The numbers are just figures a manufacturer uses to identify their products and to track them sometimes. With this intake lobe: 0.328 x 1.7 = 0.5576-inch, which COMProunds off to 0.558-inch. diameter Visit www.jamsionline.com to shop today. As each engine model comes with a specific camshaft, proper identification is key to finding the right one. Im looking into a cam to suit small block ford. Good Day: 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. 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. The 8th digit of the VIN. Knowing the measurement of a lobe separation angle is another special way of telling the difference between camshafts. Can You Register a Car with a Bill of Sale and No Title? 49 BBC -6 ATC 223 78 BBC 32 ATC 290 .298 .447 . They are not flat, and they are recognized with a slight crown on the face. 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. In 1987, he assumed the role of editor for Hot Rod magazine before returning to his first love of writing technical stories. Melling listings include OEM applications to match the engine requirements desired including horsepower, economy and needed engine torque. If you are confused as to which cam you should buy for your beast, Crane has you covered. The HR refers to this as a hydraulic roller camshaft while the 114 refers to the lobe separation angle (LSA). In 1998, head c/n 24575507 arrived with a heart-shaped combustion chamber against a D shape. Trying to find the specs on this camshaft. 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 They dont own the name flat, but the lobes of roller camshafts are perfectly flat. CAM 6930 1967 CAMSHAFT ID. The car has all orig drive train, Except for fuel injection and headers. Also a great fitting cam for the earlier 302 or 327 Solid lifter Hi-Po motors used by Corvette, Nova or Camaro. The only thing we dont know from these number is the cams intake centerline. Carb number is stamped in this location as well as on an identification tag held on with one of the air . CAMSHAFT SPECIFICATIONS Part No. First Generation Camaro Info and Tech - 1967-1969. The pushrods cam stays above the cylinder, which is always above the combustion chamber. There following are ways you can tell a difference: As the name implies, these sets of numbers reveal the model of the camshaft. 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. No smoke, but I have not checked compression yet. They minimize friction, which ensures the camshaft contains more power. Does Your License and Registration Address Have to Match? So why did this cam not have a lope to it in the 283, from everything I am reading long . It's for a 99-04 truck. E How Long to Drive After Reset Computer to Pass Emission Test? 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 . 14088552 Leave a comment at the end of this post if you cannot find the information you want. 52.01.07 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. You need the measurement of the diameter to compare with the database or any online store IDs. They provide average torque to the valves. They are not so much of the speeding type. I have a Pontiac camshaft with 960938 number on the backside. The next two numbers are the valve lift of . Step 3 Match the number to a Chevrolet camshaft part number listing. Why are Volkswagen Oil Changes so Expensive? If we didnt already know this was an LS cam, the first thing we would want to do is determine the engine family. 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. . Stock GM LS engine cams feature LSA anywhere from 116 to 121 degrees because GM is concerned with creating a very smooth idle. That gives us our first clue where to look for the rest of the 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. Ford Au part no ! The easiest way to tell the difference is to check the 8th digit of the Vehicle Identification Number (VIN) on the original vehicle. Show More Show Less. $426.78. Locate the ID number on the camshaft. Can You Register a Car in a Different Name than on the Title? Chevrolet LS7 Camshaft. 4485B 4391B HR112+4 R (with a line under the R ) then CC and at the bottom G1979-14. I just rebuilt the carb as it was pretty dirty and leaked at the accel pump. The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. We would like to thank everyone that has contributed to the data provided on this site. I have a fessler roller cam trying to identify the grind specs. Chevrolet "Stock" LS Camshaft. This will give you the intake centerline. The Fora platform includes forum software by XenForo. 1 BTC 42 ABC 223 30 BTC 80 ABC 290 .298 .447 114 1.5 HYD EXH. If the number was 110 degrees, this would increase the amount of overlap. $850.12. Different chamber volumes, port volumes, port locations, valve sizes, etc. GM 6930 , 6964 and 5054. The prefix consists of five digits and explains the date and the location of the Chevy's manufacture. The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). 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 ? DOHC is a production to improve the volumetric of the internal combustion engine in which it has more power than a simple overhead cam. i have some stamps on the cam that i can see EP236 and CWC can these be used to idetify the cam. Part Number: Type: DUR @ .050" Lift: C/R: LSA: Usage: 14093643: Hyd. I suspect you have . Then do the same process with the lobe at 0.050 on the closing side. Come join the discussion about performance, builds, restoration, modifications, classifieds, troubleshooting, reviews, and more! One thing I"m trying to figure out is if the orig cam is still in the car. The radiator, hoses, timing assembly, belts and fan will need to be removed to access the camshaft. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. What Happens When the Turbo Goes on a Diesel? A stamp is not a functioning part of a camshaft. p/n 12560967, .466/.457, 191/190, 114 LSA. indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. side, aluminum1011081091-up350.Gen. 1, 65cc chambers1012092887-953501012532094-96350.Gen.II LT1, cast iron version, used on "9C1" Police package, Impala SS, Cadillac Fleetwood, Buick Roadmaster reverse flow cooling 1012837492-up350.Gen.II LT1, 53cc, angle plug, aluminum, reverse flow cooling, 175/68cc ports10134352Bowtie, 45cc, angle plug, "low" port, 223cc intake port,aluminum, 18' race head10134363NOTE: This casting # has been used in many different versions of this aluminum 18' and 15' Bowtie race head. The numbers engraved in the body part of the camshaft are called the Stamped number or casting number. Remove the camshaft from the engine if necessary. 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. This figure is derived by adding the intake center line plus the exhaust center line and dividing by two. My grandfather was one of their 1st employees when they started out as Cambell, Wyant, and Cannon back in the early 1900s. Any advice? Car AC Compressor Not Turning On (Causes and Quick Fix). Chevy Cam Part Number Location Chevrolet Big Block Camshaft Types Chevrolet installed Three different types of Camshafts on the Big Block Engines. by Greenlight Mon Nov 10, 2014 6:56 pm. The cam is in very good used condition and will likely be reused. Looking for 4311-4314-r106 Q 7388-04 CAN ANYONE TELL ME WHERE I CAN LOOK THE SPECS UP! I have 3.55 geArs and a 3600 stall. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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. E.g. i have a hr8ty 3050s/305is y7379 cc 212203 2811 out of a 1999 360 dodge magnum i cannot get any info on lift duration or center line also has cc letters asume comp cam ? The GM tube has the ID number as 3863151 which correlates to a L79 Cam however the stamping at the end is 920883. 1991 and later Gen.V, VI and VII production BBC motors have one-piece rear main crank seals. A camshaft is a rotating object in a vehicle with pointed cams in which its rotations produce reciprocal motion. Terms of Service. 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 3709/3711 numbers are references to lobe designs. I was pretty careful with the float settings etc and it fired right up when put back on! On the shaft the #'s 1539 are stamped in one spot, and CWC is stamped in another spot. (Advanced five degrees; use spring P/N 3970627.) The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). I have a cam I need to Id I need the specs and if its a solid or hydraulic its a ua9450 a4250h11 can someone help me with this I am building this junk yard over night Grease monkey maid 10/4 I need it if possible, I have a bbf429 numbers on rear of cam359356 can you tell me what cam I have. Can a Bad Battery Cause a Check Engine Light to Come On? In 1972, it was the cam for the 307/130hp; and an optional cam for the 350/165hp, 175hp, 200hp; and 400/170hp. There are 3 different ways to select your camshaft tightly. Inc. Lee's Summit MO. My 1968 Camaro Site. Camshafts Melling offers a full line of OE replacement camshafts for cars, light duty, medium duty and heavy duty trucks. It's real easy to spot if the heads are off because of the small 3.74" bore. many years ago! order on 8.1L big block engines is different than a normal big block. Answer (1 of 4): Most common specs for an engine would be for example. Is there any way anyone could hp me out? Old school Comp 9000 Mallory Distributor and coil. They are the flat tappet and roller camshaft. 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. 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. In 1973, it was the cam for the 307/115hp; 350/145hp, 175hp, 190hp; and 400/150hp. Apr 19, 2020 Just to be clear, are those the numbers on the face of the cam behind the timing gear? Small Block Casting numbers Big Block Crankshaft Cylinder Head ID Use these casting numbers to identify the heads you have. SBC Block Casting Numbers. It is an eight or nine-digit number. How Long Does it Take for Oil to Drain Back into the Pan? 1954-1955 235 Engine 3835913; 1956-1962 235 Engine 3836848; 1956-1962 261 Engine 3836850 Can I Drive my Mercedes With Check Engine Light On? side, aluminum1017439091-95350.LT5, ZR1, DOHC, 32-valve, pass. 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. In 1974, it was the cam for the 350/145hp, 185hp, 195hp; and 400/150hp, 180hp. Can Jumpstarting a Car Damage the Alternator? Identifiers: Letter R, CWC, EP1, C4 and E8. You can also use an analog system to identify unknown camshafts. When referring to LSAs, the larger the number, the more degrees of separation between the intake and exhaust lobes. It is 8 figured random numbers and sometimes 9 figures with the last 4 numbers identifying the specific function of the Cam Shaft. ** Free Shipping for Engines & Transmissions* Learn More; 0; 888.284.7491 . It helps you know the compatibility of the camshaft to the supposed vehicle you want to use it for. But this comes at the cost of reduced torque in the middle of the rpm band. The Chevy part number for that cam is 3896929. 2. .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 4.3L LT1 was also referred to as the L99 (not to be confused with the LS variant bearing the same name) 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 (You must log in or sign up to reply here. It's a used cam and it has this barcode on it. We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. eBay Product ID (ePID) 2320190292. The 7661-11 is a serial number specific to that camshaft only. $799.00 +$36.00 shipping. The Fora platform includes forum software by XenForo. Its got a great loping idle (big cam?? Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. The HI-PO color coded stripes on the camshaft end are green, orange and red. It is typically located in the center of the cam between the lobes. GEN III vs GEN IV. This is the COMPCams equivalent of the Rosetta stone for cam lobes. 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. The only stamped markings on the front are 951758. I can't help you in regards to who actually did the final grinding. I only put the numbers here that I can prove, so this is a short list. I did a search as well, google and on here. That number is actually the casting number of the camshaft, not the part number. With over 35 years of experience in automotive machining, you will not find a more trustworthy and reliable source of parts. A SOHC allows at least 2 to 3 valves per cylinder configuration, with more manufacturer prowess.