CAM 6930 1967 CAMSHAFT ID. In 1973, it was the cam for the 307/115hp; 350/145hp, 175hp, 190hp; and 400/150hp. Can You Register a Car with a Bill of Sale and No Title? In the catalog, you will see the cams listed by configuration starting with flat tappet hydraulics and then hydraulic rollerswhich is what we want. The Fora platform includes forum software by XenForo. A good understanding of these factors will assist you in making a wise decision. Can a Wheel Speed Sensor Cause Limp Mode? 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. 4009f/4024f 68553-06. 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. [] Ask Away! On other cams Ive looked at, they just list the part number which is easy to look up, but this cam has a bunch of numbers I dont recognize. Small Block Chevy Factory Camshafts - NastyZ28.com 1 BTC 42 ABC 223 30 BTC 80 ABC 290 .298 .447 114 1.5 HYD EXH. What Happens When the Turbo Goes on a Diesel? Car AC Compressor Not Turning On (Causes and Quick Fix). How Long Does it Take for Oil to Drain Back into the Pan? They are widely used and they perform well, which is more affordable than a roller cam. Installing a Timing Belt on Ford Ranger chevrolet image by Eduard Shelesnjak from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. Below is some reference data for cylinder head casting numbers with valve sizes, years used, etc. Canadian made ERTEL brand. After working as a reporter in Oregon, he is now based back home in New Haven. GM used a forged crankshaft, oil-spray cooled Hypereutectic pistons, and a hydraulic roller camshaft made to handle boost. A good camshaft cannot be underrated, so you need it to make your engine function well. Stock GM LS engine cams feature LSA anywhere from 116 to 121 degrees because GM is concerned with creating a very smooth idle. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! Anyone have any idea what make and specs are of this cam? 1014789895-98350.Gen.I crate motor1015955087-953501015955187-953051015955287-953501015955387-953051017438991-94350.LT5, ZR1, DOHC, 32-valve, drvs. GM 6930 , 6964 and 5054. 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 specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. The Chevy part number for that cam is 3896929. Can omeone ID this GM cam? | The H.A.M.B. It doesnt add to the function of the camshaft, nor does it play an important role. You can basically find it in the center of the cam between the lobes. eBay Product ID (ePID) 2320190292. This will give you the intake centerline. Its got a great loping idle (big cam?? They dont add to the function of the camshaft itself. **Due to the COVID-19 pandemic a large number of products are on backorder and shipping times are longer then usual. For instance, the Duntov cam has a GM part number 3736097 but cast into the camshaft is the number 3736098. 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. The only thing we dont know from these number is the cams intake centerline. GM 2.4 Liter I4 Ecotec LEA Engine (Yes or No). The Fora platform includes forum software by XenForo. $426.78. Knowing the measurement of a lobe separation angle is another special way of telling the difference between camshafts. A camshaft is a rotating object in a vehicle with pointed cams in which its rotations produce reciprocal motion. Crower's cam specifications and printable cam card finder Rear cam bearing journal is etched/engraved Fessler Killer Cams #38 Any info is appreciated. Are you a newbie in dealing with cars and you seem not to know how useful a camshaft is and what is used for? 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. 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. The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and .328-inch lobe lift. Your email address will not be published. Cam Identification? | LS1LT1 Forum 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. (Yes or No), Will Hub Centric Rings Stop Vibration? 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. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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. That gives us our first clue where to look for the rest of the numbers. GM is recalling seven. I was pretty careful with the float settings etc and it fired right up when put back on! engine P/N 10185058. It's real easy to spot if the heads are off because of the small 3.74" bore. The model prefix is the first part of the camshaft number, and it describes the vehicle that the camshaft is meant for. Different chamber volumes, port volumes, port locations, valve sizes, etc. Stamped on end is Z099, also has three pink dots above that stamping. Do not enter the -2 on dual cams part numbers or the (I) that indicates intake or (E) for exhaust. Thanks for any info I Think its a crane cam but I cant match the stamped numbers anywhere. Camshaft numbers - The Stovebolt Forums How to Read a Cam Card to Understand Camshaft Specs - OnAllCylinders I have a cam trying to set startup timeing hr112 intake hyd .555 ext .576 duration .006 valve tapping lift 287 in 293 ex valve timing .050 open int 10 close btdc46 abdc exh :57 BBdc 5 ATC. $799.00 +$36.00 shipping. Compare Related Articles. Thanks, Your email address will not be published. I am partially colorblind so they may be sort of tanish as well. The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). Used on RPO: L86 (1980-1991). 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. News Chevrolet Performance Releases The Impressive L8T As A Crate Engine . 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. For a better experience, please enable JavaScript in your browser before proceeding. E.g. In 1974, it was the cam for the 350/145hp, 185hp, 195hp; and 400/150hp, 180hp. 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. The 3709/3711 numbers are references to lobe designs. 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. Every engine needs a timing device that can control the opening and closing of the intake and exhaust valves. Quick View. Less overlap generally produces a more stable idle while more overlap makes the idle lumpier. Analog system. Run-out on. SMALL-BLOCK CAMSHAFTS AND COMPONENTS - Chevrolet Chevy V8 SBC Block and Head Casting Numbers. On the home page, we looked for the Information tab and then clicked on Catalogs. Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. Carb number is stamped in this location as well as on an identification tag held on with one of the air . Thank you, if you can help, send me an e mail and I will send you a picture. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. Deciphering The Differences In The Chevy 2.2L Engine (Yes or No). 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. 366299.4Bowtie, Aluminum, nodular iron splayed caps, wet sump, 4.00" bore389257..302..67.2393288..28365-672460703..350..78.4460776..30578-792460777..30578-792460778..30578-792 or 4, some Canadian assembled heavy duty truck blocks have 4-bolt main caps471511..26779-8223556519.28358-6123703524.265..55.2No oil filter3720991.26556-5723731548.265572No side motor mounts3731548.283572No side motor mounts3737739.28358-6423756519.28358-6223782870.32762-6723789817.28362-6423789817.32762-6723789935.28361-6423790721.28362-642Chevy II recessed oil filter boss3790721.32765-662Chevy II recessed oil filter boss3791362.32762-672Chevy II recessed oil filter boss3792563.327..65.23792582.28364-6523794226.28358-6323794460.32762-6423830944.327..63.23834810.28364-6623834812.28362-6323837739.28358-6223849852.28357-6623849935.28365-6723858174.32764-6723858180.32764-6723858618.35068-7623862194.28365-672Chevy II recessed oil filter boss3862812.28362-6423892657.302..67.2Z-28 Camaro3892657.327..67.23892657.350..67.2Camaro3896944.28366-6723896948.28366-6723903352.327..67.23914636.307..68.23914638.307..68.23914653.30768-7323914660.327..68.23914678.302..68.2Z-28 Camaro3914678.327..68.23914678.350..68.23931174.307..68.2Truck3932371.30769-7323932373.30768-7323932386.302..69.4Z-28 Camaro3932386.327..69.23932386.350..69.2 or 43932388.327..69.23932388.350..69.2 or 43933180.32768-6923951509.40070-7143951509.40074-8023951511.40070-734Some replacement blocks had 2-bolt main caps3956618.302..69.4Z-28 Camaro3956618.32768-6923956618.350..69.2 or 43956632.307..69.23959512.32762-672Was also used for some "CE" replacement blocks3959532.283642Used for some "CE" replacement blocks3959538.327..2Chevy II recessed oil filter boss, Used for some Chevy II "CE" replacement blocks3970010.302..69.4Z-28 Camaro3970010.327..69.2Trucks and industrial3970010.35069-802 or 43970014.35070-762 or 43970020.30769-7323970024.30769-7324715111.305..80.26259425.35069-762, 95509..400.762 bolt have only seen one10036033350..4Goodwrench crate motor, 2-piece rear seal, "Hecho en Mexico"10046164305..86.210049804..4Aluminum, Pontiac Super Duty version of Gen.I SBC, 4.00" bore, 350 mains, 2-piece rear seal, splayed caps, GTP race block10051182..2 or 4Bowtie, 3.75"-4.30" bores, 1 or 2-piece rear seal10051184..4Bowtie, 4.00"-4.155" bores, 1 or 2-piece rear seal1005472735086-up2 or 4one piece rear seal, some "Made in Canada"10066036350..2 or 4Target Master/Goodwrench crate motor, 2-piece rear, seal, "Hecho en Mexico"10066038350..92.4Goodwrench crate motor, 2-piece rear seal, "Hecho en Mexico"10090511350..90.2LT-5, ZR1 Vette, 375hp1012532735092-up2 or 4Gen.II LT-1, reverse flow cooling1012532735096-up2 or 4Gen.II LT-4, reverse flow cooling10134398..4Bowtie, Aluminum, 4.125" bore, 2.65" main journals10134996..4Bowtie, Aluminum, 4.125" bore 2.65" main journals1015355835091-924LT-5, ZR1 Vette, 375hp1016858826594-962L99, Gen.II, 4.3 Liter V-8, Caprice, reverse flow cooling1019900135093-954LT-5, ZR1 Vette, 405hp1024387830596-982Vortec truck, roller cam, one-piece rear seal1024388035095-002 or 4Vortec truck, Gen.I crate motors and "ZZ4", roller cam, one piece rear seal1255059235097-upcrossbolted block, Gen.III, "LS1", aluminum1255135899-upGen.III, 4.8L or 5.3L, cast iron, truck1255136436498-04crossbolted cast iron Gen. III, 6.0L, truck1255937835099-upcrossbolted block, Gen.III, "LS1", aluminum1255984635098-upcrossbolted block, Gen.III, "LS1", aluminum1256062135098-upcrossbolted block, Gen.III, "LS1", aluminum1256062635099-upcrossbolted block, Gen.III, "LS1", aluminum1256062935099crossbolted block, Gen.III, "LS1", aluminum1256116835001-upcrossbolted block, Gen.III, "LS1", aluminum1256217435098-upcrossbolted block, Gen.III, "LS1", aluminum1256895236405-upcrossbolted block, Gen.III, 6.0L, aluminum, LS21256691032504-upcrossbolted block, Gen.III, 5.3L, aluminum, SSR truck1257104832504-upcrossbolted block, Gen.III, 5.3L1257358136498-04crossbolted cast iron, Gen.III, 6.0L, truck1257718436498-04crossbolted cast iron, Gen.III, 6.0L, truck1257739602-upGen.III, 4.8L or 5.3L, cast iron, truck1401020130580-8521401020230580-8521401020330580-8521401020735080-852 or 41401020935080-852 or 41401028026779-822140110643508341401114835087-89.Roller cam, one-piece rear seal1401637626779-8221401637935077-792 or 41401638130580-8421401638230579-8421401638330580-852Truck1407928735086-90.Truck1408852635087-89.Roller cam, one-piece rear seal1408854835086-882 or 41408855130586-872one-piece rear main seal1409362730587-942Roller or flat tappet cam, one-piece rear seal1409363835087-952 or 4Roller or flat tappet cam, one-piece rear seal1409476630586-up2One-piece rear seal1410114730585-up21410114835086-904One-piece rear seal1410205830587-912Roller cam, one-piece rear seal22551656..4Chevy/Olds Rocket block, 4.00"-4.190" bores, 2.45" main journal sizes, splayed caps, dry sump, 2-piece rear seal, 9.025" deck22551660..4Chevy/Olds Rocket block, 4.00"-4.190" bores, 400 mains journal sizes, splayed steel caps, wet sump, raised cam 2-piece rear seal, 9.300" deck. They appear to be a rock arms with a small diameter. 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. The ID number will consist of either eight or nine digits; the last four numbers identify the cam and its specific application. side, aluminum1010617990350.LT5, ZR1, DOHC, 32-valve, drvs. If you want to know where the intake centerline is located, all you have to do is install the cam in the engine and then degree the cam. All of these applications had the same specs as the initial 1967 application. Any advice? Looking Back At The Famous Duntov Small-Block Chevrolet Camshaft If it is an original GM part, these numbers will be there. indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. Learn how your comment data is processed. The engine needs to function by opening the valve with the help of the camshaft. Visit www.jamsionline.com to shop today. Big Block Chevy Cam Identification - Engine Builder Magazine 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 . Good Day: When referring to LSAs, the larger the number, the more degrees of separation between the intake and exhaust lobes. 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. . diameter PDF CAMSHAFT SPECIFICATIONS - Melling motor could have casting number 10112391 or 10112391S that is the service replacement. They are not flat, and they are recognized with a slight crown on the face. 330864: 1968 through 1991 oval port, open chamber, 2.06 in. CWC is the foundry that cast the cam blank. We have it in internal combustion engines and some electric motor speed controllers. The LEA is an engine produced by General Motors for a wide variety of compact and midsize vehicles. I have a fessler roller cam trying to identify the grind specs. The easiest way to get the best is to check the numbers in between the lobes or boxes. 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. exhaust valves. While these engines were based on the GM Family II engine, the architecture was substantially re-engineered for the new Ecotec application produced since 2000. Technical Articles - SBC Block Casting Numbers - Bzerob.com I purchased a used hydraulic roller camshaft from a friend that was originally used in an LS1 engine. Add the two numbers together and divide by 2. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. All you have to do to determine valve lift is multiply the lobe lift times the rocker ratio. JAMSI is a trusted source of automotive engine parts. (You must log in or sign up to reply here. My buddy says its a mild cam thats bigger than a stock LS6 version, but he didnt have any more information. 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. How to Turn off Daytime Running Lights (Explained), How to Turn Off Headlights While Car is Running. Stamped numbers are 529506 and 031531. Does OnStar Keep Location History? Any help much appreciated. COMP Cams 12-600-4 Thumpr Cam, Small Block Chevy, 2000-5800 RPM. Because the camshaft orchestrates the entire valve system, your Chevy won't run properly without it. Camshafts are identified by (usually) the last 4 digits of the part number and a casting symbol. What are your thoughts on the #5054 or anything else? One of the primary differences between the GM GEN 3 and 4 ECMs are how they estimate airflow using VE Tables. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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). Small Block Factory Cams Chevrolet LS7 Camshaft. (Yes or No). 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