Thanks for any info I Think its a crane cam but I cant match the stamped numbers anywhere. A DOHC is known as a dual overhead cam. A stamp is not a functioning part of a camshaft. The Fora platform includes forum software by XenForo. For instance, if you have numbers like 266H04, the last two digits are the numbers used to show the measurement of the lobes. (Yes or No). 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. Learn more about: Cookie Policy, Will a 50 Inch TV Fit in my Car? The engine also had smaller 1-1/8? Step 2 Locate the ID number on the camshaft. I suspect you have . It models the airflow for the computer to calculate fuel. Speed isnt a problem with a dual camshaft and it increases the engines power. Any time you are making this kind of important decision about your engine, it's . We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. JavaScript is disabled. 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 The next two numbers are the valve lift of . All you have to do to determine valve lift is multiply the lobe lift times the rocker ratio. There following are ways you can tell a difference: As the name implies, these sets of numbers reveal the model of the camshaft. It means the valve is open at 255 degrees. Identifiers: Letter R, CWC, EP1, C4 and E8. diameter If you don't have the VIN, you can still identify the engine by visual inspection if you know what to look for. The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). SBC Block Casting Numbers. 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. The numbers engraved in the body part of the camshaft are called the Stamped number or casting number. Can You Register a Car in a Different Name than on the Title? For a better experience, please enable JavaScript in your browser before proceeding. Dec 31, 2009. I have more than 4 Camaro's am I Addicted? no idea) and only pulls about 10psi vac at idle. The car has all orig drive train, Except for fuel injection and headers. The duration at lash point in degrees (intake/exhaust) is 328/324; duration at .050" tappet lift (intake/exhaust) is 220/220; and . How to Get a California Drivers License with an Out of State License, Can You Register a Car Online in Florida? 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. I can't help you in regards to who actually did the final grinding. $799.00 +$36.00 shipping. How Long to Drive After Reset Computer to Pass Emission Test? Their outer look tells the difference. I was pretty careful with the float settings etc and it fired right up when put back on! (Yes or No), Will Hub Centric Rings Stop Vibration? 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. I have a Pontiac camshaft with 960938 number on the backside. The prefix consists of five digits and explains the date and the location of the Chevy's manufacture. Its got a great loping idle (big cam?? 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 . Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. 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. 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. They make castings for CMC (Camshaft Machine Corp.) and EPC (Engine Power Components) and others. 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. How does this compare to the 69 dz 30/30/ cam? The easiest way to tell the difference is to check the 8th digit of the Vehicle Identification Number (VIN) on the original vehicle. To decipher these codes, we accessed COMPs website at compcams.com. All of these applications had the same specs as the initial 1967 application. A call to Comp at 1-800-999-0853 will probably give you some more details. ZL-1, 2nd version, Mark IV3955270.427.692 or 4 bolt3955272.396.692 or 4 bolt3955274.366T68-854-bolt3955276.427T68-734-bolt3963512.427.692 or 4 bolt3963512.454.70-762 or 4 bolt3969852.366T68-844-bolt3969854.396.692 or 4 bolt3969854.402.70-722 or 4 bolt3969858.427T68-844-bolt3999289.454.71-792 or 4 bolt, some "CE" replacement blocks had four bolt main caps3999290.396.68-692 or 4 bolt, Truck3999290.402.70-722 or 4 bolt, Truck3999290.402.722 or 4 bolt, Passenger3999293.366T68-904-bolt3999294.427T68-844-bolt100511074544-bolt, Bowtie, MkIV, 9.8" deck, siamesed bores, 4.25" semi-finished bores, can be bored to 4.50"10069282366T90-914-bolt, Mark IV, Tall deck10069284427T..4-bolt, Mark IV, Tall deck10069286454.90-914-bolt, Mark IV, Short deck10114182454.91-up4-bolt, Gen.V10114183366T91-up4-bolt, Gen.V10114184427T91-up4-bolt, Gen.V10134366454T..4-bolt, Bowtie, Gen.V, Tall deck101850504544-bolt, Bowtie, Gen.V, Short deck10237297454.96-up4-bolt, Vortec 7400", "L-29" Gen.VI10237299427T96-up4-bolt, Gen.VI, 7.0L, truck10237300502.96-up4-bolt, Gen.VI, 4.466" bore12550312427T96-up4-bolt, Gen.VI, 4.250" bore, fuel pump boss, clutch linkage pivot boss12550313454.91-up4-bolt, Gen.V crate motor, Gen. VI 4.25" bare block, fuel pump boss12556110496.01-up4-bolt, Gen.VII 8.1L, "Vortec 8100", Truck12561357454.96-up4-bolt, Gen.VI125613585024-bolt, Gen. VI14015443454.87-902 or 4-bolt, Mark IV, Truck, Motorhome14015445454.78-902 or 4 bolt14044807454T..4-bolt, Bowtie, MkIV, CNC prep, Tall deck, 4.25" bore or 4.495" bores, 191659554541996-2001 L29140968595024-bolt, Gen.V, HO245025044544-bolt, Bowtie, Gen.V, Race prep, 9.8 "short" deck height24502506454T..4-bolt, Bowtie, Gen.V, Race prep, 10.2 "tall" deck height245025724-bolt, 4.5" bore Olds DRCE 2, 9.5" deck height255344024-bolt, 4.590" bore Olds DRCE 3, 9.25" deck height. ** Free Shipping for Engines & Transmissions* Learn More; 0; 888.284.7491 . They are the flat tappet and roller camshaft. A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. CAMSHAFT SPECIFICATIONS Part No. 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. Melling listings include OEM applications to match the engine requirements desired including horsepower, economy and needed engine torque. 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. GM is recalling seven. Looks to have stock cast iron heads and exhaust. Chevy LSX454 Camshaft. It is a mode of identification used by manufacturers. Used on RPO: L86 (1980-1991). Your email address will not be published. (See below.) 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. The exhaust number also comes through some time, maybe if you see digits like 266/288; the second shows the exhaust number. When referring to LSAs, the larger the number, the more degrees of separation between the intake and exhaust lobes. A Solid Lifter Camshaft for 1970 1971 and 1972 Camaro Z28 or Corvette with the 350 LT1 Small Block Motor. My buddy says its a mild cam thats bigger than a stock LS6 version, but he didnt have any more information. 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. So why did this cam not have a lope to it in the 283, from everything I am reading long . The only thing we dont know from these number is the cams intake centerline. My 1968 Camaro Site. Also there is a Blue dot just under the distributor drive gear. Information is premium and can save you from errors and spending excessively. You can also use an analog system to identify unknown camshafts. Different chamber volumes, port volumes, port locations, valve sizes, etc. We have a hint because if a camshaft if ground with no added advance, the intake lobe centerline will be the same number as the LSA114 degrees After Top Dead Center (ATDC). Crane makes Blueprint camshafts for almost, if not, every GM, Ford, Mopar engine from the sixties and seventies. 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. Chevy V8 Crankshaft Casting Numbers. On the shaft the #'s 1539 are stamped in one spot, and CWC is stamped in another spot. There are other camshafts that can be viewed in this category, they include: SOHC means simple overhead cam. 4226 what kind of camshaft is it. This same pattern was followed throughout the 1997 production cycle. 366298.4Bowtie, Aluminum, billet main caps, 3.398" bore with sleeves, two piece rear main seal. For instance, the number for a Toyota 3SGE would be CS 3SGE. i have removed camshaft welsh plug to see numberbut cant identify numbers help would be appricated.i nee to see what size converter i would need. To avoid spinning, roller lifters are lifted together. As each engine model comes with a specific camshaft, proper identification is key to finding the right one. I only put the numbers here that I can prove, so this is a short list. 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. My grandfather was one of their 1st employees when they started out as Cambell, Wyant, and Cannon back in the early 1900s. Privacy Policy. eBay Product ID (ePID) 2320190292. This is the COMPCams equivalent of the Rosetta stone for cam lobes. This advances the intake centerline by that number of degrees. (You must log in or sign up to reply here. intake and 1.72 in. Small Block Casting numbers Big Block Crankshaft Cylinder Head ID Use these casting numbers to identify the heads you have. 1991 and later Gen.V, VI and VII production BBC motors have one-piece rear main crank seals. Answer (1 of 4): Most common specs for an engine would be for example. E 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. We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. You can make a sure bet by just selecting randomly but your engine life will be in big problem. One thing I"m trying to figure out is if the orig cam is still in the car. Chevy V8 SBC Block and Head Casting Numbers. The easiest way to get the best is to check the numbers in between the lobes or boxes. The cam is in very good used condition and will likely be reused. CWC is the foundry that cast the cam blank. GM used a forged crankshaft, oil-spray cooled Hypereutectic pistons, and a hydraulic roller camshaft made to handle boost. 4485B 4391B HR112+4 R (with a line under the R ) then CC and at the bottom G1979-14. 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. Can a Bad Battery Cause a Check Engine Light to Come On? It's a used cam and it has this barcode on it. Four or six-cylinder can be attached to the valves. The 7661-11 is a serial number specific to that camshaft only. How Long Does it Take Transmission Fluid to Circulate? These numbers only describe the functions or tell the specifics of each product. This type allows more direct airflow through the engine without having to deal with obstruction. The Chevy part number for that cam is 3896929. Thank you, if you can help, send me an e mail and I will send you a picture. Any way to to determine the type of cam from the outside? Canadian made ERTEL brand. cam 5054 i am still searching for "Three Rules of Work: Out of clutter find simplicity; From discord find harmony; In the middle of . The essence of knowing how to identify your camshaft makes it easy to avoid errors, unnecessary bills, and frustrations that come along with having the wrong camshaft. It is typically located 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. It is an eight or nine-digit number. A pushrod is a metal tube constructed to transfer the valve motion of a lifter riding on the camshaft directly to the value. The 4 digit ID on the camshaft core is 1529, which if correct I believe is for a 327 engine. 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. One of the primary differences between the GM GEN 3 and 4 ECMs are how they estimate airflow using VE Tables. Knowing the measurement of a lobe separation angle is another special way of telling the difference between camshafts. Now zero the indicator and turn the engine backward until the dial indicator reads roughly 0.100-inch. They provide average torque to the valves. In 1998, head c/n 24575507 arrived with a heart-shaped combustion chamber against a D shape. In 1970, it was the cam for the 307/200hp; 350/250hp, 300hp; and 400/265hp. They appear to be a rock arms with a small diameter. In 1969, it was the cam for the 307/200hp; 327/210hp, 235hp; and 350/250hp, 255hp, 300hp. Manufacturer Part Number. 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. Under that heading toward the bottom we found a tab for the Cam Lobe Master Catalog. i have a 383 chev engine ibought and would like to know what cam is in it. That number is actually the casting number of the camshaft, not the part number. Understanding Cam Design. Hey. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. After working as a reporter in Oregon, he is now based back home in New Haven. I bought a 34 Ford pickup with a 302 installed. * 54-55 all 6 cyl except PG, 58 D-D 2 nd design,59 series 3, 60-62 series 10-30,60-61 fleetmaster exc. The end of the cam is stamped 3709/3711 HR 114 followed by CC and 7661-11.