gm camshaft identification numbers

however, depending on how you want to look at it. The numbers on it are, 3734R/3377R, HR13, I 3996-06. This card reveals the basic information you need to identify, properly install, and degree the camshaft in the engine. On the home page, we looked for the Information tab and then clicked on Catalogs. It models the airflow for the computer to calculate fuel. For a better experience, please enable JavaScript in your browser before proceeding. .390 .410 310 320 1.50 In 1968, it was the cam for the 307/200hp; 327/210hp, 250hp, 275hp, 300hp; and 350/295hp. (Yes or No). GEN III vs GEN IV. (Advanced five degrees; use spring P/N 3970627.) 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 just rebuilt the carb as it was pretty dirty and leaked at the accel pump. The next information engraved on the cam was HR 114. Differences and Applications of GM ECMs (GEN III, IV, & V) To be sincere, flat tappet just owns the name flat. We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. Learn more about: Cookie Policy, Will a 50 Inch TV Fit in my Car? . **Due to the COVID-19 pandemic a large number of products are on backorder and shipping times are longer then usual. Stamped numbers are 529506 and 031531. 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. 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 ID number will consist of either eight or nine digits; the last four numbers identify the cam and its specific application. order on 8.1L big block engines is different than a normal big block. 1954-1955 235 Engine 3835913; 1956-1962 235 Engine 3836848; 1956-1962 261 Engine 3836850 As each engine model comes with a specific camshaft, proper identification is key to finding the right one. Hey Keith, we did some quick sleuthing and your cam MAY be for a BBC Marine (boat) motor application thats been discontinued. $799.00 +$36.00 shipping. 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. You need the measurement of the diameter to compare with the database or any online store IDs. Terms of Service. The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and 0.328-inch lobe lift. 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. 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. camshaft identification help???? | Pirate 4x4 Below is some reference data for cylinder head casting numbers with valve sizes, years used, etc. But this comes at the cost of reduced torque in the middle of the rpm band. 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 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. Step 1 Find the model prefix. Camshafts: GM Performance Motor I purchased a used hydraulic roller camshaft from a friend that was originally used in an LS1 engine. The Fora platform includes forum software by XenForo. You need the best camshaft that works well with your vehicle. The car came with the two cams you identified above, Stored in cardboard tubes, With the #5054 & date 1971 stamped on tubes. journal3.00" stroke3951130.327.forged..medium journal3.25" stroke3951529.400.cast.large journal.3.75" stroke, 10168568265.cast.medium journal3.00" stroke12552215364.cast.medium journal3.62" stroke, Gen. III, 6.0L12552216325,350,364.cast.medium journal3.62" stroke, Gen. III 5.7L LS1, 5.3L, 6.0L12553312293.cast.medium journal, 3.27" stroke, Gen. III, 4.8L12553482293.cast.medium journal, 3.27" stroke, Gen. III, 4.8L14088526305,350cast.medium journal3.48" stroke14088532350.forged..medium journal3.48" stroke14088535305,350cast.medium journal3.48" stroke14088552350.forged..medium journal3.48" strokeZR1, "LT5", 350 DOHC, 10106122350.forged..large 2.76" journal3.66"stroke, BBC TWO PIECE REAR MAIN OIL SEALS 3.76" STROKE used on '65-'90 Mark IV 366T, 396, 402, 427 or 427T, 6223.396,402,427forged, 1053 steel 7115.396,402,427forged, nitrided, cross-drilled, 5140 steel3804816.396,402,427cast3856223.396forged3863114.4023863144.396,4023874874.396,4023879621.427forged3882841.396forged, cross drilled, nitrided3882842.427forged, cross drilled, nitrided3882847.3882848.3882849.427forged3887114.396forged, nitrided, 5140 steel3904815.396,402cast, nodular iron3941180.3942411.3965746.semi finished, forged3993804.raw, 5140 steel, BBC ONE PIECE REAR MAIN OIL SEAL 3.76" STROKE used on '91-up Gen.V and Gen. VI 366T, 427T, 10114186427Tforged, 1053 steel10114187366Tcast10114189427Tcast, TWO PIECE REAR MAIN OIL SEALS 4.00" STROKE used on '70-90 Mark IV 454 or Mark IV 502, 3520.454forged, cross-drilled, 1053 steel3521.454, 502forged, cross-drilled, 5140 steel3524.454forged7416.454, 502forged, cross-drilled, 1053 steel7463.454forged336782..454cast353039..454cast353638..454359730..4543962523.454forged3963523.4543963524.454forged3967416.454forged3967463.454forged3975945.4543963521.454forged, cross drilled, 5140 steel3965753.semi finished, forged, 5140 steel3975495.4543993878.454forged10051169454forged raw casting, ONE PIECE REAR MAIN OIL SEAL 4.00" STROKE used on '91-up Gen.V and VI 454 or 502, 10114188454cast14097044454,502..forged, 1053 steel, 3732692348forged3.25" stroke3733223348forged3.25" stroke3733226348forged3.25" stroke3741640348forged3.25" stroke3741642348forged3.25" stroke3788072409forged3.50" stroke3795589409forged3.50" stroke3824553348forged3.25" stroke3829027409forged3.50" stroke, 3837466409,427 "Z11"forged3.65" stroke3838416409forged3.50" stroke, CASTING#..SIZEYEARMAIN CAP BOLTS.NOTES, 140029..35080-842330817..40072-802355909..262..75.2355909..30576-792360851..26275-762Monza V-8361979..30577-792 or 4, some Canadian assembled heavy duty blocks have 4-bolt main caps, 366245..35078-794Bowtie366286.4Bowtie, siamesed, straight nodular iron main caps, 2-piece seal, 4.00-4.150" bores, 2.45" main journals. A good understanding of these factors will assist you in making a wise decision. 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. There are two easy ways: 1. There are many numbers and terms used to describe the design of the camshaft and it's important to know how these numbers will affect the performance of your engine. Stamp numbers are engraved by the manufacturers to monitor production and distribution. How Long Does it Take for Oil to Drain Back into the Pan? CWC is the casting ID for CWC Textron. Now turn the engine clockwise and stop at 0.050 on the opening side of max lift and record the degree wheel reading. 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. Chevy V8 Casting Number Locations. ** Free Shipping for Engines & Transmissions* Learn More; 0; 888.284.7491 . This an original 1966 283 camshaft casting number is 3732798, hydraulic lifters. Switching to Synthetic Oil After 100k Miles: Pros and Cons. . They make castings for CMC (Camshaft Machine Corp.) and EPC (Engine Power Components) and others. Inc. Lee's Summit MO. I can't help you in regards to who actually did the final grinding. The LS engine is designated 54 and this number is generally the first two numbers that define the actual cam part number. What do camshaft numbers mean? - Quora Chevy V8 Engine Crankshaft Casting Numbers List - Mortec The grind number is the ever noted number, far and more recognized than the model number. 366298.4Bowtie, Aluminum, billet main caps, 3.398" bore with sleeves, two piece rear main seal. Check this castingcarefully to determine which features it may have. CAM 6930 1967 CAMSHAFT ID. Chevy V8 SBC Block and Head Casting Numbers. 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. Can I Sell a Car if the Title is not in my Name? COMP Cams Cam Series - COMP Cams In 1969, it was the cam for the 307/200hp; 327/210hp, 235hp; and 350/250hp, 255hp, 300hp. Also can i safely run the Xtreme Energy, XR294HR on my 383 Vortec 906 heads and screw studs ? Any time you are making this kind of important decision about your engine, it's . 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. Also a great fitting cam for the earlier 302 or 327 Solid lifter Hi-Po motors used by Corvette, Nova or Camaro. You can also use an analog system to identify unknown camshafts. Now he serves as a regular contributor to OnAllCylinders. 1014789895-98350.Gen.I crate motor1015955087-953501015955187-953051015955287-953501015955387-953051017438991-94350.LT5, ZR1, DOHC, 32-valve, drvs. Lift of tested lobe could be .300" before wear. This advances the intake centerline by that number of degrees. can you help me to decode this cam . This method requires you to do a few tasks like measuring some diameters and comparing them to the database. In 1970, it was the cam for the 307/200hp; 350/250hp, 300hp; and 400/265hp. Reference: Chevy Engine Block Casting Numbers - Chevy Hardcore Answer (1 of 4): Most common specs for an engine would be for example. Apr 13, 2014 Yeah, it has CR 760 stamped on the back, and then a date under it. Compare Related Articles. 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. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. I was given a can that has the #s This is a job for professionals and the mechanically-inclined. indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. Camshafts - Melling I did a search as well, google and on here. Quick View. Hope weve helped you with a little more camshaft knowledge. How to Identify a Chevy Cam | It Still Runs Camshaft Specifications and Terminology - Speedway Motors 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. It doesn't indicate a different cam or an earlier or later version. One of these cams looks unused and the other at best slightly used. My 1968 Camaro Site. engine P/N 10185058. I only put the numbers here that I can prove, so this is a short list. I have a fessler roller cam trying to identify the grind specs. 49 BBC -6 ATC 223 78 BBC 32 ATC 290 .298 .447 . Step 3 Match the number to a Chevrolet camshaft part number listing. My grandfather was one of their 1st employees when they started out as Cambell, Wyant, and Cannon back in the early 1900s. We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. [] Ask Away! Looks to have stock cast iron heads and exhaust. 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. The EP1 (not EPI) indicates that it was cast for Engine Power Components. The next two numbers are the valve lift of . In 1972, it was the cam for the 307/130hp; and an optional cam for the 350/165hp, 175hp, 200hp; and 400/170hp. 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. They dont own the name flat, but the lobes of roller camshafts are perfectly flat. Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. This same pattern was followed throughout the 1997 production cycle. How to Identify a Camshaft by Number | It Still Runs Small Block Chevy Factory Camshafts . These markings will usually be in the center of the camshaft, obviously in between the valve lobes. Camshaft Guide for Small-Block Chevys: How-To, Tips & Techniques To Develop Good Eye Habits While Driving You Should? It's real easy to spot if the heads are off because of the small 3.74" bore. It means the valve is open at 255 degrees. p/n 12560967, .466/.457, 191/190, 114 LSA. Thank, Ray. 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. Technical Articles - SBC Block Casting Numbers - Bzerob.com GM is recalling seven. .390 .410 310 320 1.50 in 1968, it was the cam for the 307/200hp; 327/210hp, 250hp, 275hp, 300hp; and 350/295hp. $426.78. 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. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. I have Comp Cams camshaft. Can Jumpstarting a Car Damage the Alternator? (Yes or No). 10186060 Hydraulic Flat Tappet "454". Rear cam bearing journal is etched/engraved Fessler Killer Cams #38 Any info is appreciated. My buddy says its a mild cam thats bigger than a stock LS6 version, but he didnt have any more information. In 1970, it was the cam for the 307/200hp; 350/250hp, 300hp; and 400/265hp. Many camshaft number reference sites exist online for V8 engines, but determining the camshaft specs for six- and four-cylinder engines may require contacting a Chevrolet parts department. A roller camshaft has its wheel attached to the bottom of the lifters body. To decipher these codes, we accessed COMPs website at compcams.com. 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 Is there any way anyone could hp me out? 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: That gives us our first clue where to look for the rest of the numbers. I actually went through several lists and made some corrections before making this list. They are not flat, and they are recognized with a slight crown on the face. Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. How does this compare to the 69 dz 30/30/ cam? i have a 383 chev engine ibought and would like to know what cam is in it. One thing I"m trying to figure out is if the orig cam is still in the car. Ford Au part no ! Your email address will not be published. Their outer look tells the difference. intake and 1.72 in. Thanks, Your email address will not be published. This hydraulic flat tappet "454" is a good street high-performance and marine cam used in the Gen V 454 H.O. Sept. 2019 Drag-Week Winner - N.Y. Legal Streeter - 1956 Chevy Bel-Air, http://www.msnusers.com/Chrisjunque/shoebox.msnw?action=ShowPhoto&PhotoID=2. The ID number will consist of either eight or nine digits; the last four numbers identify the cam and its specific application. This figure is derived by adding the intake center line plus the exhaust center line and dividing by two. Step 2 Find the profile or grind number. Used on RPO: L86 (1980-1991). 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.

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