By visual inspection. Also can i safely run the Xtreme Energy, XR294HR on my 383 Vortec 906 heads and screw studs ? Thanks, Your email address will not be published. For as simple as this product appears, it is actually a very complicated piece of engineering if you study it closely. The car has all orig drive train, Except for fuel injection and headers. by Greenlight Mon Nov 10, 2014 6:56 pm. How to Start a Car with a Blown Head Gasket (Explained). Oct 8, 2010 #2 Z z28rod Veteran Member Apr 30, 2009 4,472 hopewell junction,ny 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. Smith began writing for Car Craft magazine in 1979 and became editor in 1984. I dont have any numbers. On this cam card, you will see the LSA is 112 degrees. Come join the discussion about performance, builds, restoration, modifications, classifieds, troubleshooting, reviews, and more! The exhaust number also comes through some time, maybe if you see digits like 266/288; the second shows the exhaust number. journal.3.00" stroke3876768.283.forged..small journal.3.00" stroke3884577.327.forged..small journal.3.25" stroke3892690.350.forged..medium journal3.48" stroke3911001.307,327cast.medium journal3.25" stroke3911011.307,327cast.medium journal3.25" stroke3914672.327.forged..medium journal3.25" stroke3923279.302.forged..medium journal3.00" stroke3932442..267,305,350..castmedium journal3.48" stroke3941174.307,327cast.medium journal3.25" stroke3941178.302.forged..medium journal3.00" stroke3941182.350.forged..medium journal3.48" stroke3941188.350.forged..medium journal3.48" stroke3949847.283..forged or cast..sm. journal.3.00" stroke3849847.283.forged..small journal.3.00" stroke3876764.283.forged or cast..sm. 10186060 Hydraulic Flat Tappet "454". GM was looking for a more powerful engine for the CTS-V and ZL1 Camaros. How Long Does it Take Transmission Fluid to Circulate? Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. Looks to have stock cast iron heads and exhaust. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. Chevy Intake Manifolds 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. 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. 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. Part Number: Type: DUR @ .050" Lift: C/R: LSA: Usage: 14093643: Hyd. Cheers Bart, I have a cam that is stamped K 7 THEN ABOVE IT IS 1264 321 7273 WHAT DO I HAVE ITS NEW IN BUBBLE WRAP. Any time you are making this kind of important decision about your engine, it's . Under that heading toward the bottom we found a tab for the Cam Lobe Master Catalog. The cam is in very good used condition and will likely be reused. 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. cam 5054 i am still searching for "Three Rules of Work: Out of clutter find simplicity; From discord find harmony; In the middle of . They include: Identifying with your eye. Hope weve helped you with a little more camshaft knowledge. 49 BBC -6 ATC 223 78 BBC 32 ATC 290 .298 .447 . My 1968 Camaro Site. 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 . Answer (1 of 4): Most common specs for an engine would be for example. 1 BTC 42 ABC 223 30 BTC 80 ABC 290 .298 .447 114 1.5 HYD EXH. (See below.) Analog system. Once we found the hydraulic roller section, the first column lists each lobe by number. I'll post up a pic as well. The 4 digit ID on the camshaft core is 1529, which if correct I believe is for a 327 engine. I purchased a used hydraulic roller camshaft from a friend that was originally used in an LS1 engine. If I rotate the camshaft the other side has markings of AO, D14. The prefix consists of five digits and explains the date and the location of the Chevy's manufacture. In 1969, it was the cam for the 307/200hp; 327/210hp, 235hp; and 350/250hp, 255hp, 300hp. 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. In 1972, it was the cam for the 307/130hp; and an optional cam for the 350/165hp, 175hp, 200hp; and 400/170hp. 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. We would like to thank everyone that has contributed to the data provided on this site. To decipher these codes, we accessed COMPs website at compcams.com. It models the airflow for the computer to calculate fuel. I was given a can that has the #s The best way to identify an unknown camshaft is by identifying it with your eye or using stamped numbers engraved on the camshaft to identify it. It's a 10168588 casting that had the numbers "4.3" cast on the side, too. They provide average torque to the valves. Used on RPO: L86 (1980-1991). 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. I can't help you in regards to who actually did the final grinding. To avoid spinning, roller lifters are lifted together. CWC is the casting ID for CWC Textron. Stock GM LS engine cams feature LSA anywhere from 116 to 121 degrees because GM is concerned with creating a very smooth idle. 1954-1955 235 Engine 3835913; 1956-1962 235 Engine 3836848; 1956-1962 261 Engine 3836850 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 EP1 (not EPI) indicates that it was cast for Engine Power Components. This is the number of crankshaft degrees of separation between the intake and exhaust lobe center lines. Any info helps, or where I can find. Stamped numbers are 529506 and 031531. It has a taper inside the lobe which ensures the lifter can spin. On the shaft the #'s 1539 are stamped in one spot, and CWC is stamped in another spot. JavaScript is disabled. Your email address will not be published. This advances the intake centerline by that number of degrees. Then do the same process with the lobe at 0.050 on the closing side. 1991 and later Gen.V, VI and VII production BBC motors have one-piece rear main crank seals. $850.12. Can you guys help me pick a cam and fix my combo? Visit www.jamsionline.com to shop today. 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. E.g. The duration at lash point in degrees (intake/exhaust) is 328/324; duration at .050" tappet lift (intake/exhaust) is 220/220; and . In 1974, it was the cam for the 350/145hp, 185hp, 195hp; and 400/150hp, 180hp. To obtain specifications on a Crower cam please enter the part number (00242, 15210, etc) or custom work order number (E23456, A7890, etc) located on the end of the camshaft. 139536 93B2B, I have a solid roller cam has cc 950 k5462 r6 292-5 296-6 stamped on front help with specs, I am just trying to decode the cam out of my 400m. The car came with the two cams you identified above, Stored in cardboard tubes, With the #5054 & date 1971 stamped on tubes. 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. Inc. Lee's Summit MO. You can also use an analog system to identify unknown camshafts. You need the measurement of the diameter to compare with the database or any online store IDs. One of these cams looks unused and the other at best slightly used. The only thing we dont know from these number is the cams intake centerline. 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. Which cam are you refering to that helped your son achieve 11.80? A roller camshaft has its wheel attached to the bottom of the lifters body. Getting a camshaft can be a burden on many car owners; it works well when you have the right one. SBC Block Casting Numbers. (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. We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. It doesnt add to the function of the camshaft, nor does it play an important role. What Happens When the Turbo Goes on a Diesel? Chevrolet LS7 Camshaft. For instance, the Duntov cam has a GM part number 3736097 but cast into the camshaft is the number 3736098. 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. If it is an original GM part, these numbers will be there. 330864: 1968 through 1991 oval port, open chamber, 2.06 in. The chevy part number for that cam is 3896929. Knowing the measurement of a lobe separation angle is another special way of telling the difference between camshafts. They appear to be a rock arms with a small diameter. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. How does this compare to the 69 dz 30/30/ cam? And there is a CR inscribed as well off the lower left PERFORMANCE PARTS | My great WordPress blog. (396 BBC), Is this enough information to get the specs on this cam? Trying to find the specs on this camshaft. p/n 12560967, .466/.457, 191/190, 114 LSA. If we didnt already know this was an LS cam, the first thing we would want to do is determine the engine family. engine P/N 10185058. This was one of the best selling/most popular cams through the years past! If you are confused as to which cam you should buy for your beast, Crane has you covered. 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. GM 6930 , 6964 and 5054. There are other camshafts that can be viewed in this category, they include: SOHC means simple overhead cam. Its got a great loping idle (big cam?? Step 2 Find the profile or grind number. E Installing a Timing Belt on Ford Ranger chevrolet image by Eduard Shelesnjak from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. It is typically located in the center of the cam between the lobes. We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. Apr 13, 2014 Yeah, it has CR 760 stamped on the back, and then a date under it. There are two easy ways: 1. Less overlap generally produces a more stable idle while more overlap makes the idle lumpier. In 1971 he installed a 1965 Corvette fuel injection system. Camshafts come in a wide array of variations, and Chevrolet has a range of camshafts for different applications, engine sizes and performance specs. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. DOHC is a production to improve the volumetric of the internal combustion engine in which it has more power than a simple overhead cam. Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. The Vehicle's Service Parts Identification Label Will Have The VIN Digit and Engine RPO Code (Circled) To Confirm Engine Application Gen III LS Engine Car Applications 1997 to 2004 Corvette, 1998 to 2002 Camaro & Firebird, 2004 GTO: 5.7L LS1 2001-2004 Corvette, 2004-2005 Cadillac CTS-V: 5.7L LS6 Gen III LS Engine Truck Applications: Carb number is stamped in this location as well as on an identification tag held on with one of the air . Rear cam bearing journal is etched/engraved Fessler Killer Cams #38 Any info is appreciated. Now zero the indicator and turn the engine backward until the dial indicator reads roughly 0.100-inch. Manufacturer Part Number. Cam is in used shape but with little to no wear. 366298.4Bowtie, Aluminum, billet main caps, 3.398" bore with sleeves, two piece rear main seal. Now he serves as a regular contributor to OnAllCylinders. The first three-digit number shows the average duration time of the lobes. i have some stamps on the cam that i can see EP236 and CWC can these be used to idetify the cam. Crane makes Blueprint camshafts for almost, if not, every GM, Ford, Mopar engine from the sixties and seventies. However, most cams intended for street use are ground with several degrees of advance. ). In 1970, it was the cam for the 307/200hp; 350/250hp, 300hp; and 400/265hp. 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's real easy to spot if the heads are off because of the small 3.74" bore. Quick View. ZL-1, Mark IV3946053.427.97-up4-bolt, Alum. There following are ways you can tell a difference: As the name implies, these sets of numbers reveal the model of the camshaft. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. The 8.1L FO is 1-8-7-2-6-5-4-3 where a 454/7.4L is 1-8-4-3-6-5-7-2 as seen in Figure 1. 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 That gives us our first clue where to look for the rest of the numbers. The Chevy part number for that cam is 3896929. A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. On the home page, we looked for the Information tab and then clicked on Catalogs. Their outer look tells the difference. Discussion in 'The Hokey Ass Message Board' started by indestructableforce, Nov 13, 2012. They are not so much of the speeding type. This is a COMP Cams timing card. (Yes or No), Will Hub Centric Rings Stop Vibration? can you help me to decode this cam . side, aluminum1017439091-95350.LT5, ZR1, DOHC, 32-valve, pass. The 7661-11 is a serial number specific to that camshaft only. CAM 6964 1969 CAMSHAFT ID. Drivetrain: '95 T56, pro 5.0 shifter, hayes clutch, Stock 10 bolt with 3.42's order on 8.1L big block engines is different than a normal big block. For a better experience, please enable JavaScript in your browser before proceeding. Switching to Synthetic Oil After 100k Miles: Pros and Cons. To Develop Good Eye Habits While Driving You Should? Can you tell me the specs on this cam from these numbers? (Yes or No). 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. 210/218 at 0.551/0.556 at 113 degrees . The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and .328-inch lobe lift. CAST3736098. Re: camshaft identification. Learn more about: Cookie Policy, Will a 50 Inch TV Fit in my Car? Thanks, Mike. It's a used cam and it has this barcode on it. Good Day: Using stamped numbers and. 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. In 1975, it was the cam for the 350/145hp, 155hp, 165hp; and 400/175hp. . It's for a 99-04 truck. 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. The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). Thank, Ray. (You must log in or sign up to reply here. 4226 what kind of camshaft is it. A Guide To Ford V8 Engine Block Casting Numbers, 1952-1996. How Long Does it Take to Replace a Catalytic Converter? Personally, I would trash the cam and go buy a new cam and lifter set that you know what the grind is. 4485B 4391B HR112+4 R (with a line under the R ) then CC and at the bottom G1979-14. COMP offers this as a service to anyone who is looking for a custom combination of specs that are not listed as an on-the-shelf cam. (Yes or No). First Generation Camaro Info and Tech - 1967-1969. Small Block Casting numbers Use these casting numbers to identify the exhaust manifolds you have. 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 Apr 19, 2020 Just to be clear, are those the numbers on the face of the cam behind the timing gear? Dec 31, 2009. side, aluminum1023990296-up350.Gen.II LT4, aluminum, reverse flow cooling, 195cc port, 54.4cc chamber, angle plug1023990696-up350."Vortec 5700", "L31", 64cc chamber, 170cc intake port, 1.94"/1.5" valves1236771299-up."Fast Burn", aluminum, 210cc intake,port, 2.00/1.55 valves, 62cc chamber1236771399-up."Fast Burn" used on ZZ430 crate motor, aluminum, 210cc intake port, 2.00/1.55 valves, 62cc chamber124800052000..LS1 "GTZ", aluminum, 38cc, 2.125"/1.625" valves, angle plug1248001197-up.Bowtie "SB2.2", aluminum, 2nd version of "SB2", 48cc chambers, "mirror ports", revised valve angles & plug location1250645087-953501250985987-943051251685287-953501252974295-96265.Gen.II, "L99", cast iron1255156196350.Gen.II, "LT1", aluminum1255252097-up305.Vortec, truck1255429094-96350.Gen.II, "LT1", cast iron version, used on "9C1" Police package, Impala SS, Cadillac Fleetwood, Buick Roadmaster reverse flow cooling1255429195-96265.Gen.II, "L99", cast iron1255569096350.Gen.II, "LT4", aluminum1255674399325.Gen.III, 5.3L, aluminum, truck, van1255805997305.Vortec, truck, 1.84"/1.5" valves1255806298350.L31 Vortec, truck, 64cc chambers, 1.94/1.5, 170cc intake port1255880697-98350.Gen.III, "LS1", aluminum, 68cc1255985399-up350.Gen.III, "LS1", aluminum, 68cc1255986299-00.Gen.III, aluminum 4.8/5.3L1255989500-up325.Gen.III, aluminum, Vortec 5.3L1256170601-04.Gen.III, 5.3L, aluminum1256187399-01364.Gen.III, 71cc, iron1256231701-04364.Gen.III, 71cc, aluminum1256424100-up350.Gen.III, "LS1", aluminum, 68cc1256424301-up350/364Gen.III, "LS6", "LS2", aluminum1257203501-04364.Gen.III, 6.0L, aluminum, 71cc1400885679-812671401020182-8530514011034Bowtie, cast iron, 64cc chambers, 184cc port volume, angle plug, "Phase II" head14011049Bowtie, aluminum, 55cc chambers, angle plug, 180cc ports, "Phase 6"1401108355-86350.Crate motor for years indicated. Retired GM employee, John Hinckley, an NCRS Master Judge, explains the one number . Step 1 Find the model prefix. Roller: 202/206 .403"/.415" They are the flat tappet and roller camshaft. 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. Can You Register a Car in a Different Name than on the Title? The ID number will consist of either eight or nine digits; the last four numbers identify the cam and its specific application. Displacing 2.4 liters in an inline-four configuration, the LEA is part of the Ecotec engine. eBay Product ID (ePID) 2320190292. 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 ? The recall affects several models of heavy duty Chevrolet Silverados and GMC Sierras with optional engine block heaters. A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. These numbers only describe the functions or tell the specifics of each product. The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. After working as a reporter in Oregon, he is now based back home in New Haven. Thank you, if you can help, send me an e mail and I will send you a picture. It is 8 figured random numbers and sometimes 9 figures with the last 4 numbers identifying the specific function of the Cam Shaft. Speed isnt a problem with a dual camshaft and it increases the engines power. 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. Required fields are marked *. The only stamped markings on the front are 951758. 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. Below is some reference data for cylinder head casting numbers with valve sizes, years used, etc. Quick View. [] Ask Away! His work has appeared in the "New Haven Register," Medford's "Mail-Tribune" and the "Ashland Daily Tidings." A Solid Lifter Camshaft for 1970 1971 and 1972 Camaro Z28 or Corvette with the 350 LT1 Small Block Motor. CAM 6930 1967 CAMSHAFT ID. This card reveals the basic information you need to identify, properly install, and degree the camshaft in the engine. From the distribute drive gear down are the folloing markings: CWC, 06, C14, EP1. 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 . This will help you get the full details directly from the manufacturing, which requires the model and other factors that need attention.