(See below.) To decipher these codes, we accessed COMPs website at compcams.com. In this case: 108 + 116 = 224 degrees / 2 = 112 degrees. All you have to do to determine valve lift is multiply the lobe lift times the rocker ratio. Chevy V8 "W" Motor 348-409 Casting Numbers. Inc. Lee's Summit MO. I have more than 4 Camaro's am I Addicted? At one time they supplied 85% of the blanks in the world. 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. (adsbygoogle = window.adsbygoogle || []).push({}); AutomobTips is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com, Copyright 2022 - AUTOMOBTIPS | Auto Blog, Our website uses cookies to improve your experience. They are not flat, and they are recognized with a slight crown on the face. Casting numbers used on factory 366ci tall deck engines (some used on multiple engines): *ending 328: 1980 through 1991. Understanding Cam Design. 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. It is 8 figured random numbers and sometimes 9 figures with the last 4 numbers identifying the specific function of the Cam Shaft. It means the valve is open at 255 degrees. On the home page, we looked for the Information tab and then clicked on Catalogs. 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). GM 6930 , 6964 and 5054. were used. PERFORMANCE PARTS | My great WordPress blog. Stamped numbers are 529506 and 031531. Also can i safely run the Xtreme Energy, XR294HR on my 383 Vortec 906 heads and screw studs ? We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. Also there is a Blue dot just under the distributor drive gear. I suspect you have . 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 . The 8th digit of the VIN. The block casting number on smallblock and big block Chevy V-8 motors is located on a ledge found at the rear of the block, most often on the driver's side. $426.78. Chevy V8 SBC Block and Head Casting Numbers. The engine also had smaller 1-1/8? A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. GM was looking for a more powerful engine for the CTS-V and ZL1 Camaros. 2. Hi, I have a cam that trying to figure out the specs on. This is a job for professionals and the mechanically-inclined. With this intake lobe: 0.328 x 1.7 = 0.5576-inch, which COMProunds off to 0.558-inch. DOHC is a production to improve the volumetric of the internal combustion engine in which it has more power than a simple overhead cam. 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. 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. Thanks, Your email address will not be published. ** Free Shipping for Engines & Transmissions* Learn More; 0; 888.284.7491 . Step 1 Find the model prefix. i have some stamps on the cam that i can see EP236 and CWC can these be used to idetify the cam. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Displacing 2.4 liters in an inline-four configuration, the LEA is part of the Ecotec engine. I have a fessler roller cam trying to identify the grind specs. side, aluminum1010617990350.LT5, ZR1, DOHC, 32-valve, drvs. Chevy LSX454 Camshaft. Chevy V8 BBC Block and Head Casting Numbers. $799.00 +$36.00 shipping. 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 Identifiers: Letter R, CWC, EP1, C4 and E8. For instance, the Duntov cam has a GM part number 3736097 but cast into the camshaft is the number 3736098. It's a used cam and it has this barcode on it. When referring to LSAs, the larger the number, the more degrees of separation between the intake and exhaust lobes. How to Get a California Drivers License with an Out of State License, Can You Register a Car Online in Florida? JavaScript is disabled. COMP Cams 12-600-4 Thumpr Cam, Small Block Chevy, 2000-5800 RPM. That gives us our first clue where to look for the rest of the numbers. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. Step 2 Locate the ID number on the camshaft. Stock GM LS engine cams feature LSA anywhere from 116 to 121 degrees because GM is concerned with creating a very smooth idle. My 1968 Camaro Site. There are two easy ways: 1. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. 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. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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 numbers on it are, 3734R/3377R, HR13, I 3996-06. Less overlap generally produces a more stable idle while more overlap makes the idle lumpier. Small Block Casting numbers Use these casting numbers to identify the exhaust manifolds you have. But this comes at the cost of reduced torque in the middle of the rpm band. Only show this user. However, most cams intended for street use are ground with several degrees of advance. For a better experience, please enable JavaScript in your browser before proceeding. side, aluminum1017439091-95350.LT5, ZR1, DOHC, 32-valve, pass. 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. **Due to the COVID-19 pandemic a large number of products are on backorder and shipping times are longer then usual. Vortec truck, Gen.I crate motors and ZZ4, roller cam, one piece rear seal: 12550592 : 97-up : 350 : crossbolted block, Gen.III, LS1, aluminum: There following are ways you can tell a difference: As the name implies, these sets of numbers reveal the model of the camshaft. with Jeff Smith: How to Decode a COMP Cams http://www.onallcylinders.com/Jeff Smith: First of all, the CC refers to COMP Cams. The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. It's for a 99-04 truck. Chevy Cam Part Number Location Chevrolet Big Block Camshaft Types Chevrolet installed Three different types of Camshafts on the Big Block Engines. Do not enter the -2 on dual cams part numbers or the (I) that indicates intake or (E) for exhaust. Each number has a meaning and an interpretation. 14088552 Leave a comment at the end of this post if you cannot find the information you want. The only thing we dont know from these number is the cams intake centerline. The LS . There are 3 different ways to select your camshaft tightly. 210/218 at 0.551/0.556 at 113 degrees . 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. Remove the camshaft from the engine if necessary. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. With over 35 years of experience in automotive machining, you will not find a more trustworthy and reliable source of parts. 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. Because the camshaft orchestrates the entire valve system, your Chevy won't run properly without it. Why are Volkswagen Oil Changes so Expensive? The markings on end of cam is 300C6 and X6733. (Advanced five degrees; use spring P/N 3970627.) Step 2 Find the profile or grind number. It helps you know the compatibility of the camshaft to the supposed vehicle you want to use it for. Hope weve helped you with a little more camshaft knowledge. GM is recalling seven. Anyone have any idea what make and specs are of this cam? A native of New Haven, Conn., Floyd Drake III began writing in 1984. Four or six-cylinder can be attached to the valves. 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. $510.45. order on 8.1L big block engines is different than a normal big block. In 1971 he installed a 1965 Corvette fuel injection system. To be sincere, flat tappet just owns the name flat. 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. 1991 and later Gen.V, VI and VII production BBC motors have one-piece rear main crank seals. The identification number consists of a seven-to-eight digit code. diameter i have a hr8ty 3050s/305is y7379 cc 212203 2811 out of a 1999 360 dodge magnum i cannot get any info on lift duration or center line also has cc letters asume comp cam ? 10186060 Hydraulic Flat Tappet "454". Canadian made ERTEL brand. ZL-1, Mark IV3946053.427.97-up4-bolt, Alum. 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. Good Day: Apr 19, 2020 Just to be clear, are those the numbers on the face of the cam behind the timing gear? 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 I was given a can that has the #s This hydraulic flat tappet "454" is a good street high-performance and marine cam used in the Gen V 454 H.O. Don't forget to follow us on Facebook, and if you run a website or write for a blog, please link to our site! 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. Reading a Cam Card: Advance . however, depending on how you want to look at it. (You must log in or sign up to reply here. 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. journal.3.00" stroke3849847.283.forged..small journal.3.00" stroke3876764.283.forged or cast..sm. Any info helps, or where I can find. 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. $850.12. 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. While a simple call to the COMP Cams CAM HELP tech line (1-800-999-0853) and short discussion with one of the highly informed tech line personnel will always get you the right answers, having a little personal knowledge on the topic is always a good idea. JavaScript is disabled. The LS engine is designated 54 and this number is generally the first two numbers that define the actual cam part number. A Guide To Ford V8 Engine Block Casting Numbers, 1952-1996. Now he serves as a regular contributor to OnAllCylinders. In 1972, it was the cam for the 307/130hp; and an optional cam for the 350/165hp, 175hp, 200hp; and 400/170hp. [] Ask Away! Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. Does OnStar Keep Location History? indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. Their outer look tells the difference. A stamp is not a functioning part of a camshaft. For as simple as this product appears, it is actually a very complicated piece of engineering if you study it closely. The suffix provides the. Drivetrain: '95 T56, pro 5.0 shifter, hayes clutch, Stock 10 bolt with 3.42's Manufacturer Part Number. I was pretty careful with the float settings etc and it fired right up when put back on! Privacy Policy. It doesn't indicate a different cam or an earlier or later version. Terms of Service. Then do the same process with the lobe at 0.050 on the closing side. Different chamber volumes, port volumes, port locations, valve sizes, etc. This is an involved process, requiring the removal of the engine's front end. 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. Quick View. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. This is a COMP Cams timing card. Your camshaft is important; your engine isnt meaningful without the contribution of the Camshaft. 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 ? 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. Car AC Compressor Not Turning On (Causes and Quick Fix). If I rotate the camshaft the other side has markings of AO, D14. Melling listings include OEM applications to match the engine requirements desired including horsepower, economy and needed engine torque. The Fora platform includes forum software by XenForo. 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. It is a mode of identification used by manufacturers. Chevrolet LS7 Camshaft. i have a 383 chev engine ibought and would like to know what cam is in it. Rear cam bearing journal is etched/engraved Fessler Killer Cams #38 Any info is appreciated. The numbers are just figures a manufacturer uses to identify their products and to track them sometimes. In 1998, head c/n 24575507 arrived with a heart-shaped combustion chamber against a D shape. SBC Block Casting Numbers. It is typically located in the center of the cam between the lobes. It is typically located in the center of the cam between the lobes. This was one of the best selling/most popular cams through the years past! A SOHC allows at least 2 to 3 valves per cylinder configuration, with more manufacturer prowess. Carb number is stamped in this location as well as on an identification tag held on with one of the air . The pushrods cam stays above the cylinder, which is always above the combustion chamber. I have a 1969 z28 I bought a few years back from a friend who was orig owner. A camshaft is a rotating object in a vehicle with pointed cams in which its rotations produce reciprocal motion. I have a cam I need to Id I need the specs and if its a solid or hydraulic its a ua9450 a4250h11 can someone help me with this I am building this junk yard over night Grease monkey maid 10/4 I need it if possible, I have a bbf429 numbers on rear of cam359356 can you tell me what cam I have. Stamped on end is Z099, also has three pink dots above that stamping. Run-out on. 330864: 1968 through 1991 oval port, open chamber, 2.06 in. The ID number will consist of either eight or nine digits; the last four numbers identify the cam and its specific application. 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. 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. My buddy says its a mild cam thats bigger than a stock LS6 version, but he didnt have any more information. back of cam has 660 371079 front of cam has s42008L, i have a 572 hemi and i am in the process of pulling the cam but the harmonic damper is being a pain . The "2182" Casting number identifies this camshaft as GM part number 3972182. Small Block Crankshaft Casting Numbers Lookup Type your crankshaft casting number in the SEARCH BOX below. The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). These markings will usually be in the center of the camshaft, obviously in between the valve lobes. How Long Does it Take Transmission Fluid to Circulate? Check this castingcarefully to determine which features it may have. 25-12. A Solid Lifter Camshaft for 1970 1971 and 1972 Camaro Z28 or Corvette with the 350 LT1 Small Block Motor. How Long to Drive After Reset Computer to Pass Emission Test? *54-55 passenger W/PG, 56-58 passenger. Used on RPO: L86 (1980-1991). Can you tell me the specs on this cam from these numbers? Example: 63402A-2 enter 63402A Hey Keith, we did some quick sleuthing and your cam MAY be for a BBC Marine (boat) motor application thats been discontinued. What are your thoughts on the #5054 or anything else? Chevy Intake Manifolds Can a Wheel Speed Sensor Cause Limp Mode? Analog system. In the catalog, you will see the cams listed by configuration starting with flat tappet hydraulics and then hydraulic rollerswhich is what we want. 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. (Yes or No). Switching to Synthetic Oil After 100k Miles: Pros and Cons. It's a 10168588 casting that had the numbers "4.3" cast on the side, too. Crankshaft Identification Use these casting numbers to identify the crankshaft you have. You need the best camshaft that works well with your vehicle. In 1974, it was the cam for the 350/145hp, 185hp, 195hp; and 400/150hp, 180hp. That number is actually the casting number of the camshaft, not the part number. 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.
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