Knowing the measurement of a lobe separation angle is another special way of telling the difference between camshafts. Now he serves as a regular contributor to OnAllCylinders. The identification number consists of a seven-to-eight digit code. Understanding Cam Design. The Fora platform includes forum software by XenForo. Step 1 Find the model prefix. JAMSI is a trusted source of automotive engine parts. First Generation Camaro Info and Tech - 1967-1969. This is an involved process, requiring the removal of the engine's front end. Terms of Service. Visit www.jamsionline.com to shop today. In 1971 he installed a 1965 Corvette fuel injection system. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! Show More Show Less. eBay Product ID (ePID) 2320190292. Displacing 2.4 liters in an inline-four configuration, the LEA is part of the Ecotec engine. 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. The cam is in very good used condition and will likely be reused. 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 HI-PO color coded stripes on the camshaft end are green, orange and red. They dont own the name flat, but the lobes of roller camshafts are perfectly flat. Can you tell me the specs on this cam from these numbers? A Guide To Ford V8 Engine Block Casting Numbers, 1952-1996. 1991 and later Gen.V, VI and VII production BBC motors have one-piece rear main crank seals. 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. 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. The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). . [] Ask Away! The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and 0.328-inch lobe lift. A native of New Haven, Conn., Floyd Drake III began writing in 1984. I have a Pontiac camshaft with 960938 number on the backside. 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: 366298.4Bowtie, Aluminum, billet main caps, 3.398" bore with sleeves, two piece rear main seal. 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. 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. Is there any way anyone could hp me out? Now zero the indicator and turn the engine backward until the dial indicator reads roughly 0.100-inch. This advances the intake centerline by that number of degrees. order on 8.1L big block engines is different than a normal big block. Thanks, Your email address will not be published. Are you a newbie in dealing with cars and you seem not to know how useful a camshaft is and what is used for? After working as a reporter in Oregon, he is now based back home in New Haven. JavaScript is disabled. The suffix provides the. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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. The Chevy part number for that cam is 3896929. Indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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 easiest way to tell the difference is to check the 8th digit of the Vehicle Identification Number (VIN) on the original vehicle. 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. 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. Thanks for any info I Think its a crane cam but I cant match the stamped numbers anywhere. 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 with Jeff Smith: How to Decode a COMP Cams http://www.onallcylinders.com/Jeff Smith: First of all, the CC refers to COMP Cams. Remove the camshaft from the engine if necessary. I hope it helps you identify the Chevrolet engine parts you are working on. Rear cam bearing journal is etched/engraved Fessler Killer Cams #38 Any info is appreciated. 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. You can also use an analog system to identify unknown camshafts. by Greenlight Mon Nov 10, 2014 6:56 pm. CAM 6964 1969 CAMSHAFT ID. The radiator, hoses, timing assembly, belts and fan will need to be removed to access the camshaft. The last 3 digits of the number of the CASTING is frequently very close but not the same as the PART number of the camshaft assembly. This was one of the best selling/most popular cams through the years past! How to Get a California Drivers License with an Out of State License, Can You Register a Car Online in Florida? Trying to find the specs on this camshaft. (You must log in or sign up to reply here. The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). They appear to be a rock arms with a small diameter. How Long Does it Take to Replace a Catalytic Converter? This will give you the intake centerline. Stock GM LS engine cams feature LSA anywhere from 116 to 121 degrees because GM is concerned with creating a very smooth idle. Can you guys help me pick a cam and fix my combo? Inc. Lee's Summit MO. Camshafts are identified by (usually) the last 4 digits of the part number and a casting symbol. E Do You Get a Ticket in the Mail for Passing a School Bus? (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. 330864..68-84ovalOPEN396, 402, 366T, 427T, 454 Truck330865..68-84ovalOPEN396, 402, 366T, 427T, 454 Truck330866..68-78ovalOPEN366T, 427T330867..68-73ovalOPEN427T336765..68-78ovalOPEN427T336768..73-76ovalOPEN427T336781..73-85ovalOPEN454, 118cc chamber, 256/114cc ports343771..68-86ovalOPEN366T, 427T, 454343772..68-86ovalOPEN366T, 427T, 454343783..70-76ovalOPEN454 Truck346236..75-87ovalOPEN454, 120cc chamber, 225/116cc ports352625..70-76ovalOPEN454 Truck353049..73-84ovalOPEN454, 122cc chamber, 255/119cc ports366765..74-78ovalOPEN427T473328..68-69ovalOPEN366T3856206.65-66oval..CLOSED..396, 97cc chamber3856208.65rect..CLOSED..396/425hp, 109cc chamber 396/375hp "Z-16" Chevelle3856213.66-82oval..CLOSED..366T, 427T3856260.68oval..CLOSED..396 Truck3872702.65-66oval..CLOSED..396, 427, 98cc chamber3873858.65-67rect..CLOSED..396, 427, 109cc chamber3876875.77-85ovalOPEN427T3904390.67oval..CLOSED..396, 427, 98cc chamber3904391.67rect..CLOSED..396, 427, 107cc chamber3904392.67rect..CLOSED..427, Aluminum, L88, L89, 107cc chamber3904393.68-76ovalOPEN366T3908952.67ovalOPEN427, "M.Truck", Marine3909802.67oval..CLOSED..396, 427, 101cc chamber3917215.67-68oval..CLOSED..396, 427, 101cc chamber3917219.68-85ovalOPEN366T, 427T3919840.67-69rect..CLOSED..396, 427,107cc chamber3919842.68-69rect..CLOSED..396, 427, Aluminum L88, L89, 107cc chamber3931063.68-69oval..CLOSED..396, 402, 427, 101cc chamber3933148.69-84ovalOPEN'69 396/265hp, 366T, 427T, 112cc chamber3933149.68-76ovalOPEN427T, 122cc chamber3935401.68-76ovalOPEN427T3946074.69&71rectOPEN'69 427 L88, ZL1, Aluminum, 118cc chamber '71 454 LS6, "round exhaust port"3964290.69-70oval..CLOSED..396, 402, 427, 454, 101cc chamber Large or small hex spark plugs used3964291.69-72rect..CLOSED..396, 402, 427, 454, 109cc chamber, Large or small hex spark plugs used, crate motor usage in years after 1970.3965198.68-69oval..CLOSED..396 Truck3975950.68-70ovalOPEN396, 402 Truck, 366T, 427T3986133.68-85ovalOPEN366T, 427T, 454 Truck3986135.69-73ovalOPEN366T, 427T3986136.68-84ovalOPEN366T, 427T, 454 Truck3993820.71ovalOPEN402, 113cc chamber, 255/114 ports3993820.71-84ovalOPEN454 Passenger and Trucks, 113cc chamber, 255/114 ports3994026.71rectOPEN454 LS6, 118cc chamber3999241.72ovalOPEN402, 454, 113cc chamber, 6272292.70-78ovalOPEN402, 4546272990.70-uprectOPEN454 service replacement, used on some MKIV crate engines, 118cc chamber10045427..rect.Pontiac/Chevy Aluminum, 91cc chamber Large Port, race10049875..rect.Pontiac/Chevy Aluminum Small port, race10051128..rect.Bowtie, Aluminum 72cc chambers Symmetrical ports10051129..rect.Bowtie, Aluminum "raw" casting, Symmetrical ports10052902..ovalOPENMkIV, 427T1010114091-upoval..CLOSED..Gen.V 366T, 427T1011415691-upovalOPENGen.V & VI 454, 118cc chamber1014127996-upoval..CLOSED.."Vortec 7400", 100cc chambers1048705277-90ovalOPEN366T1236339196-upovalOPENBowtie, Aluminum, Signature Series, fits MKIV, Gen.V, Gen.VI, 110cc chamber1236340196-uprectOPENBowtie, Aluminum, Signature Series, fits MKIV, Gen.V, Gen.VI, 118cc chamber1255816201-upoval..CLOSED..Gen.VII,"Vortec 8100", 8.1L, 496, truck1256024198-upoval..CLOSED.."Vortec 7400", 100cc chambers1256293291-95ovalOPENGen.V, truck crate motor, 118cc chambers1256293391-95ovalOPENGen.V, 118cc chambers1256293400-uprectOPENGen.VI 502 Marine1401107769-uprectOPENAluminum, fits MKIV, "C-port" 118cc chamber, also sold as a "solid" head1404486184-96rect.Bowtie, Aluminum, MkIV, "raised runners", 1st design, 105cc chamber1404486196-uprect.Bowtie, Aluminum, Signature Series, fits MKIV, Gen.V, Gen.VI "raised runners", 2nd design, 115cc chamber1404486184-96rect.Bowtie, Aluminum, MkIV "raw" casting of "861" MKIV 1st design1408104578-87ovalOPEN4541408105285-87ovalOPEN366T, 427T, 454 Truck, Marked "HiPerf"1409235986-90ovalOPEN366T, 427T, Marked "HiPerf"1409236086-90ovalOPEN454 Truck, "peanut" round ports1409618870-71rectOPEN454 service replacement, also used on later Mark IV LS-6, LS-7 and 454 HO crate motors, 116cc chamber1409708891-uprectOPENGen.V 454/502 HO, 118cc chamber2450258597rect.Olds/Chevy, DRCE 2, Pro Stock aluminum, for blocks w/4.900" bore spacing2553440404rect.Olds/Chevy, DRCE 3, Pro Stock, aluminum, for blocks with 4.900" bore spacing, Oval includes both "peanut" (also called "round") ports and large oval ports, Copyright EngineRepairShop.com 2011-2023 Privacy Policy Disclaimer. This requires a little more time but COMP does not charge extra, which is a great service if you are into tweaking the cam a bit to do something special. Any info helps, or where I can find. Any advice? 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. many years ago! The Chevy part number for that cam is 3896929. diameter 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. Example: 63402A-2 enter 63402A 52.01.07 I was given a can that has the #s For as simple as this product appears, it is actually a very complicated piece of engineering if you study it closely. Speed isnt a problem with a dual camshaft and it increases the engines power. The next two numbers are the valve lift of . I can't help you in regards to who actually did the final grinding. How to Turn off Daytime Running Lights (Explained), How to Turn Off Headlights While Car is Running. The car came with the two cams you identified above, Stored in cardboard tubes, With the #5054 & date 1971 stamped on tubes. 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. Thanks, Mike. The chevy part number for that cam is 3896929. Installing a Timing Belt on Ford Ranger chevrolet image by Eduard Shelesnjak from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. 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. The greater number of degrees means there is less overlap between the intake and exhaust lobes. 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. **Due to the COVID-19 pandemic a large number of products are on backorder and shipping times are longer then usual. I actually went through several lists and made some corrections before making this list. Chevy LSX454 Camshaft. 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. I have a new cam was told it was a comp cam # 1136 230780 any ideas on cam specks. The EP1 (not EPI) indicates that it was cast for Engine Power Components. Oct 8, 2010 #2 Z z28rod Veteran Member Apr 30, 2009 4,472 hopewell junction,ny Contact. Also a great fitting cam for the earlier 302 or 327 Solid lifter Hi-Po motors used by Corvette, Nova or Camaro. (See below.) . Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. The only stamped markings on the front are 951758. Other examples include small block Chevys -12, big block Chevys -11, and 5.0L small block Fords -35. The 3709/3711 numbers are references to lobe designs. We would like to thank everyone that has contributed to the data provided on this site. The Chevy Big Block's Camshafts can be identified by a number that is cast or stamped and is usually located in between the CAM lobes. 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. (Yes or No). Casting numbers used on factory 366ci tall deck engines (some used on multiple engines): *ending 328: 1980 through 1991. The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. ** Free Shipping for Engines & Transmissions* Learn More; 0; 888.284.7491 . How Long to Drive After Reset Computer to Pass Emission Test? Can You Register a Car with a Bill of Sale and No Title? We investigated a couple of our Comp off-the-shelf LS cams and found they were ground with 5 degrees of advance, but that is no guarantee that your camshaft is ground that way. For instance, the Duntov cam has a GM part number 3736097 but cast into the camshaft is the number 3736098. Can Jumpstarting a Car Damage the Alternator? Run-out on. The exhaust number also comes through some time, maybe if you see digits like 266/288; the second shows the exhaust number. Part Number: Type: DUR @ .050" Lift: C/R: LSA: Usage: 14093643: Hyd. There are two types of cams that you can tell the difference without using a lens or going the extra mile to tell the difference. The prefix consists of five digits and explains the date and the location of the Chevy's manufacture. . If the number was 110 degrees, this would increase the amount of overlap. How Long Does it Take for Oil to Drain Back into the Pan? In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. . I purchased a used hydraulic roller camshaft from a friend that was originally used in an LS1 engine. Personally, I would trash the cam and go buy a new cam and lifter set that you know what the grind is. A good camshaft cannot be underrated, so you need it to make your engine function well. Could someone help me identify these cam numbers ? Manufacturer Part Number. How does this compare to the 69 dz 30/30/ cam? (Yes or No). It would take some digging and some research, but you could look through a parts catalog of some of the more popular cam manufacturers and see if you can match up part numbers with something. Every engine needs a timing device that can control the opening and closing of the intake and exhaust valves. It is a mode of identification used by manufacturers. It is 8 figured random numbers and sometimes 9 figures with the last 4 numbers identifying the specific function of the Cam Shaft. Required fields are marked *. Does Your License and Registration Address Have to Match? Re: camshaft identification. We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. Camshafts come in a wide array of variations, and Chevrolet has a range of camshafts for different applications, engine sizes and performance specs. In the catalog, you will see the cams listed by configuration starting with flat tappet hydraulics and then hydraulic rollerswhich is what we want. View (5) $203.95 More Info. When referring to LSAs, the larger the number, the more degrees of separation between the intake and exhaust lobes. Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. They make castings for CMC (Camshaft Machine Corp.) and EPC (Engine Power Components) and others. Your camshaft is important; your engine isnt meaningful without the contribution of the Camshaft. In 1973, it was the cam for the 307/115hp; 350/145hp, 175hp, 190hp; and 400/150hp. News Chevrolet Performance Releases The Impressive L8T As A Crate Engine . The ID number will consist of either eight or nine digits; the last four numbers identify the cam and its specific application. Their outer look tells the difference. I suspect you have . I am partially colorblind so they may be sort of tanish as well. 210/218 at 0.551/0.556 at 113 degrees . * 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. You need the best camshaft that works well with your vehicle. GM was looking for a more powerful engine for the CTS-V and ZL1 Camaros. Answer (1 of 4): Most common specs for an engine would be for example. This will help you get the full details directly from the manufacturing, which requires the model and other factors that need attention. Small Block Chevy Factory Camshafts . To decipher these codes, we accessed COMPs website at compcams.com. My 1968 Camaro Site. $850.12. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. The easiest way to get the best is to check the numbers in between the lobes or boxes. 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. 1 BTC 42 ABC 223 30 BTC 80 ABC 290 .298 .447 114 1.5 HYD EXH. At one time they supplied 85% of the blanks in the world. Below is some reference data for cylinder head casting numbers with valve sizes, years used, etc. I have no idea whats on the inside. GM is recalling seven. There are 3 different ways to select your camshaft tightly. If you notice any mistakes or have any additions, use my contact me form and let me know so I can update the list. 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. Camshafts Melling offers a full line of OE replacement camshafts for cars, light duty, medium duty and heavy duty trucks. 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. Chevy V8 BBC Block and Head Casting Numbers. intake and 1.72 in. To Develop Good Eye Habits While Driving You Should? no idea) and only pulls about 10psi vac at idle. CAMSHAFT SPECIFICATIONS Part No. Add the two numbers together and divide by 2. Information is premium and can save you from errors and spending excessively. Step 2 Locate the ID number on the camshaft. (396 BBC), Is this enough information to get the specs on this cam? Check this castingcarefully to determine which features it may have. If you happen to misplace your card, most cam companies now list all off-the-shelf cam cards on their website that you can easily print out. You can basically find it in the center of the cam between the lobes. Any way to to determine the type of cam from the outside? PERFORMANCE PARTS | My great WordPress blog. Do not enter the -2 on dual cams part numbers or the (I) that indicates intake or (E) for exhaust.

Alex And Ani Cardinal Bird Bracelet, Mohave County Property Legal Description, Alpharetta High School Football Coach Resigns, Articles G