Stamp numbers are engraved by the manufacturers to monitor production and distribution. Thanks for any info I Think its a crane cam but I cant match the stamped numbers anywhere. This type allows more direct airflow through the engine without having to deal with obstruction. You can make a sure bet by just selecting randomly but your engine life will be in big problem. How to Start a Car with a Blown Head Gasket (Explained). 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. It's a 10168588 casting that had the numbers "4.3" cast on the side, too. Check this castingcarefully to determine which features it may have. The first two numbers are the degrees of opening being 210 for the intake and 218 degrees for the exhaust given normally at .050 inch of lift. I can't help you in regards to who actually did the final grinding. 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. Camshafts Melling offers a full line of OE replacement camshafts for cars, light duty, medium duty and heavy duty trucks. The Chevy part number for that cam is 3896929. The 4 digit ID on the camshaft core is 1529, which if correct I believe is for a 327 engine. JavaScript is disabled. Answer (1 of 4): Most common specs for an engine would be for example. This is an involved process, requiring the removal of the engine's front end. It's a stock cam. 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. The exhaust number also comes through some time, maybe if you see digits like 266/288; the second shows the exhaust number. 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. SBC Block Casting Numbers. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. 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. Does OnStar Keep Location History? You can also use an analog system to identify unknown camshafts. This is the COMPCams equivalent of the Rosetta stone for cam lobes. Different chamber volumes, port volumes, port locations, valve sizes, etc. [] Ask Away! 586 FM13 216 00L 1991 Z28 Engine: '94 355 LT1, GM hot cam, 1.6 RR's, Ported Heads, Dyno Don's headers, #30 SVO injectors, stock internals with skirted pistons. The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. 366298.4Bowtie, Aluminum, billet main caps, 3.398" bore with sleeves, two piece rear main seal. Small Block Casting numbers Use these casting numbers to identify the exhaust manifolds you have. 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. This figure is derived by adding the intake center line plus the exhaust center line and dividing by two. If you notice any mistakes or have any additions, use my contact me form and let me know so I can update the list. If you don't have the VIN, you can still identify the engine by visual inspection if you know what to look for. View (5) $203.95 More Info. Hey Keith, we did some quick sleuthing and your cam MAY be for a BBC Marine (boat) motor application thats been discontinued. 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. 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. The first three-digit number shows the average duration time of the lobes. They dont own the name flat, but the lobes of roller camshafts are perfectly flat. . Don't forget to follow us on Facebook, and if you run a website or write for a blog, please link to our site! 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 ? Example: 63402A-2 enter 63402A 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. Chevy V8 "W" Motor 348-409 Casting Numbers. Cam is in used shape but with little to no wear. Speed isnt a problem with a dual camshaft and it increases the engines power. The "2182" Casting number identifies this camshaft as GM part number 3972182. Chevy Cam Part Number Location Chevrolet Big Block Camshaft Types Chevrolet installed Three different types of Camshafts on the Big Block Engines. To decipher these codes, we accessed COMPs website at compcams.com. Can you tell me the specs on this cam from these numbers? A Guide To Ford V8 Engine Block Casting Numbers, 1952-1996. Are you a newbie in dealing with cars and you seem not to know how useful a camshaft is and what is used for? Chevy Intake Manifolds The 3709/3711 numbers are references to lobe designs. They are not so much of the speeding type. i have some stamps on the cam that i can see EP236 and CWC can these be used to idetify the cam. 14010280 Small Block V8 1979-1982 267, 2 bolt 14011064 Small Block V8 1983 350, 4 bolt 14011148 Small Block V8 1987-1989 350, roller cam, 1-piece rear seal 14016376 Small Block V8 1979-1982 267, 2 bolt 14016379 Small Block V8 1977-1979 350, 2 bolt or 4 bolt 14016381 Small Block V8 1980-1984 305, 2 bolt 14016382 Small Block V8 1979-1984 305, 2 bolt can you help me to decode this cam . . Can a Wheel Speed Sensor Cause Limp Mode? Step 2 Find the profile or grind number. In this case: 108 + 116 = 224 degrees / 2 = 112 degrees. were used. 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. Chevrolet LS7 Camshaft. Quick View. Quick View. CAM 6930 1967 CAMSHAFT ID. How Long Does it Take for Oil to Drain Back into the Pan? 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. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. This requires a little more time but COMP does not charge extra, which is a great service if you are into tweaking the cam a bit to do something special. Chevy V8 BBC Block and Head Casting Numbers. Can You Register a Car with a Bill of Sale and No Title? Rear cam bearing journal is etched/engraved Fessler Killer Cams #38 Any info is appreciated. ). A roller camshaft has the valve opened faster and remains at a higher lift for a certain time; it allows more airflow and more power, which reduces wear. The radiator, hoses, timing assembly, belts and fan will need to be removed to access the camshaft. 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). With over 35 years of experience in automotive machining, you will not find a more trustworthy and reliable source of parts. I have Comp Cams camshaft. The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and 0.328-inch lobe lift. 1014789895-98350.Gen.I crate motor1015955087-953501015955187-953051015955287-953501015955387-953051017438991-94350.LT5, ZR1, DOHC, 32-valve, drvs. Looking for 4311-4314-r106 Q 7388-04 CAN ANYONE TELL ME WHERE I CAN LOOK THE SPECS UP! 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. A good camshaft cannot be underrated, so you need it to make your engine function well. 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. A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. I suspect you have . GM was looking for a more powerful engine for the CTS-V and ZL1 Camaros. Each number has a meaning and an interpretation. I hope it helps you identify the Chevrolet engine parts you are working on. 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. Thank you in advance, Gday mate trying to decipher this comp cam to no avail, # 2-018b 1295 3106-rb 046987 any help on duration and lift lobe centre and rev range would be greatly 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. On the home page, we looked for the Information tab and then clicked on Catalogs. For a better experience, please enable JavaScript in your browser before proceeding. A native of New Haven, Conn., Floyd Drake III began writing in 1984. Understanding Cam Design. It is typically located in the center of the cam between the lobes. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. Stock GM LS engine cams feature LSA anywhere from 116 to 121 degrees because GM is concerned with creating a very smooth idle. 2. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. It doesn't indicate a different cam or an earlier or later version. side, aluminum1010617990350.LT5, ZR1, DOHC, 32-valve, drvs. CAMSHAFT SPECIFICATIONS Part No. Grind numbers are HR 224/339. Because the camshaft orchestrates the entire valve system, your Chevy won't run properly without it. My 1968 Camaro Site. On the outside there is a Carter AFB 9637 (625CFM) sitting on an Edelbrock manifold. Chevy V8 Crankshaft Casting Numbers. Old school Comp 9000 Mallory Distributor and coil. Thanks, Gary in N.Y. P.S. (Yes or No). With your cam it might come out to somewhere between 114 to 110 degrees depending on if the cam was machined with advance. First Generation Camaro Info and Tech - 1967-1969. It means the valve is open at 255 degrees. I have a Street Performance comp cam that was purchased in 2007. That number is actually the casting number of the camshaft, not the part number. I just rebuilt the carb as it was pretty dirty and leaked at the accel pump. i have a 383 chev engine ibought and would like to know what cam is in it. The Chevy orange will appear as new for decades.Gear shifting is accomplished with a rebuilt 1960's HURST Competition Plus shifter specific to the C2 Corvette w/Borg Warner which is extremely rare.Ignition is handled by a computerized multiple spark discharge controller providing instantaneous throttle response by way of multiple sparking at . We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. many years ago! After graduating from Iowa State University with a journalism degree in 1978, he combined his two passions: cars and writing. Vortec truck, Gen.I crate motors and ZZ4, roller cam, one piece rear seal: 12550592 : 97-up : 350 : crossbolted block, Gen.III, LS1, aluminum: In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. Thanks, Your email address will not be published. All you have to do to determine valve lift is multiply the lobe lift times the rocker ratio. I have a Pontiac camshaft with 960938 number on the backside. To Develop Good Eye Habits While Driving You Should? Small Block Chevy Factory Camshafts . Crankshaft Identification Use these casting numbers to identify the crankshaft you have. intake and 1.72 in. Trying to find the specs on this camshaft. Step 3 Match the number to a Chevrolet camshaft part number listing. Once we found the hydraulic roller section, the first column lists each lobe by number. There are 3 different ways to select your camshaft tightly. Drivetrain: '95 T56, pro 5.0 shifter, hayes clutch, Stock 10 bolt with 3.42's They provide average torque to the valves. The Fora platform includes forum software by XenForo. It helps you know the compatibility of the camshaft to the supposed vehicle you want to use it for. 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 . Installing a Timing Belt on Ford Ranger chevrolet image by Eduard Shelesnjak from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. But this comes at the cost of reduced torque in the middle of the rpm band. 1954-1955 235 Engine 3835913; 1956-1962 235 Engine 3836848; 1956-1962 261 Engine 3836850 Why are Volkswagen Oil Changes so Expensive? Chevrolet "Stock" LS Camshaft. When referring to LSAs, the larger the number, the more degrees of separation between the intake and exhaust lobes. diameter side, aluminum10185040Bowtie, aluminum, 45cc chambers, 1st version, symmetrical ports, 263cc intake ports, splayed valves10185040Bowtie, aluminum, 45cc chambers, 2nd version, symmetrical ports, 240cc intake ports, splayed valves1020524593350.Gen.II LT1, aluminum, reverse flow cooling, 175/68cc port volumes1020764394-96350.Gen.II LT1, aluminum, reverse flow cooling, 175/68cc port volumes1020889094-96265.Gen.II, L99, 4.3 Liter V-8, cast iron, reverse flow1021533997350.Gen.III, LS1, aluminum, 68cc1022512194-95350.LT5, ZR1, DOHC, 32-valve, drvs. Some enthusiasts just compare the opening and closing points of the intake with the cam card but this isnt as reliable as the intake centerline method. On this page you will be able to look up the original part numbers for 1958-1965 348 and 409 Chevy engine components such as Bell Housing, Carburetor, Camshaft, Crankshaft, Distributor, Generator/Alternators, Radiator Hoses and Starters. Chevy . journal.3.00" stroke3849847.283.forged..small journal.3.00" stroke3876764.283.forged or cast..sm. Can a Bad Battery Cause a Check Engine Light to Come On? Car AC Compressor Not Turning On (Causes and Quick Fix). 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. exhaust valves. The recall affects several models of heavy duty Chevrolet Silverados and GMC Sierras with optional engine block heaters. (Yes or No), Will Hub Centric Rings Stop Vibration? 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. 4226 what kind of camshaft is it. Remove the camshaft from the engine if necessary. Could someone help me identify these cam numbers ? The numbers engraved in the body part of the camshaft are called the Stamped number or casting number. Also can i safely run the Xtreme Energy, XR294HR on my 383 Vortec 906 heads and screw studs ? It was later decided to build a supercharged version of the LS3 and it has less compression at 9:1:1 to run safer under boost. In 1970, it was the cam for the 307/200hp; 350/250hp, 300hp; and 400/265hp. Any advice? For instance, if you have numbers like 266H04, the last two digits are the numbers used to show the measurement of the lobes. In 1970, it was the cam for the 307/200hp; 350/250hp, 300hp; and 400/265hp. The pushrods cam stays above the cylinder, which is always above the combustion chamber. The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and .328-inch lobe lift. Camshafts are stamped by the manufacturers as a means of identification. I purchased a used hydraulic roller camshaft from a friend that was originally used in an LS1 engine. The next information engraved on the cam was HR 114. engine P/N 10185058. In 1973, it was the cam for the 307/115hp; 350/145hp, 175hp, 190hp; and 400/150hp. It is a mode of identification used by manufacturers. Which cam are you refering to that helped your son achieve 11.80? One of the primary differences between the GM GEN 3 and 4 ECMs are how they estimate airflow using VE Tables. motor could have casting number 10112391 or 10112391S that is the service replacement. 4009f/4024f 68553-06. Do not enter the -2 on dual cams part numbers or the (I) that indicates intake or (E) for exhaust. And there is a CR inscribed as well off the lower left PERFORMANCE PARTS | My great WordPress blog. Match the number to a Chevrolet camshaft part number listing. COMPCams uses two-number designations for all its engine families. Learn more about: Cookie Policy, Will a 50 Inch TV Fit in my Car? A roller camshaft has its wheel attached to the bottom of the lifters body. Each family of cam lobes has its own numerical designation with the same basic configuration, usually encompassing multiple individual durations that also might include changes in lobe lift. By visual inspection. Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. Your camshaft is important; your engine isnt meaningful without the contribution of the Camshaft.



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