Small Block Chevy Engine Block Identification General Engine Block Specifications While 6 different bore size blocks have been produced, the small block engine can be classified into 3 bore sizes and 3 main bearing sizes. the engine suffix code. (for example, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). Chevrolet issued This drawing is of the 1967 version of the 302 cid Chevrolet. Casting numbers were "cast" when the engine was poured at … All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. This match is done via the PARTIAL VIN stamp on the component. See Engine-To-Body-Style for an unbiased & mathematical solution for engine-to-body style distribution. Often hidden by the alterator. //For full source code, and Terms Of use, visit http://dynamicdrive.com Drawings by David Kimble.Production of the original small-block began in the fall of 1954, for the 1955 model year, with a displacement of 265 cid, growing incrementally over … I fuinally found out my chevys engine is a 327 made from 64-67.Heres the number 3858174 if u guys can verify.Also where can i find the suffix number ot the number that tells me where the engine was built what tranny it was mated with etc.I looked at the ledge under the head but it aint there.is there any other places it can be?Thanks! Engine ID Stamp: V0801CML (This ID is completely made up) The first letter of the stamp tells us where the motor was assembled. Again, it either matches trans, A/C, HDC: AJ: 8-283 O/D: CD: 6 Cyl., 3 sp. All these are identified here. //Specify random URLs to display inside iframe 4xxx is the Corvette Range. Can you see the engine cast date? The engine code as noted by Bob is for a 65 to 67 283, did the seller say it was from a Chevy II/Nova or just a 65 vehicle? or it doesn't. Let’s make up a fake chevy engine ID code and then decode it using the chevy engine decoder tables from Nastyz28.com. It was the first V-8 offered by Chevrolet that accomplished the goal of having an engine generating one horsepower for every cubic inch. Gen I small-block Chevy engine. It represents any CID and is used to indicate this particular engine was replaced While every attempt has been made to verify the codes their may be incorrect codes listed. Very wee standard information has been ready to the mean enthusiast because Gm never released the chevy suffix codes to the consumer. Casting numbers were "cast" when the engine was poured at … Often hidden by the alterator. The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. "2800" is the last 4 digits All engines are stamped with an ID serial number showing plant code, production date, and suffix code. chevy engine suffix codes? Some codes are used for more than one model year and some for more than one platform such as Passenger, Chevelle, Camaro, Nova or Corvette. The format consists of divisional identification Suffix codes are listed in alphabetical order by year. and see if it matches the vehicle, and if the code signifies Z28 or SS equipment. 283 blocks (3.875" bore, 2.3" main), 302/327/350 blocks (4" bore, 2.3" or 2.45" mains), and 400 blocks (4.126", 2.65" mains). The 3789935 283 block was used in both 1961 Corvette (last year for the 283 in a Corvette) and 1961 and later passenger car engines. 305 cid (vin code h) v8 engine 1981 c10 k10 c20 1982 c10 k10 c20 1 1 1983 c10 k10 c20 1 1 1984 c10 k10 c20 1 1985 c10 k10 c20 1 1986 c10 k10 c20 1 1987 c10 k10 c20: 1 uta, utb, utf, uth utx, uts, utw, utr tys, utb, uyr, uta, tyr, uys utf, ufj, utl, uth 1 1 uaz tbu, tbw uda, udb, udu fda, fdb ffd, fdw Engine Code Stamping Numbers document.write(' ') Quickly, A = Chevelle, F = Camaro, X = Nova. A two-letter engine code starting with a "C" denotes a 265-cubic inch V-8, and "E", "F" and "G" codes indicate a 283-cubic inch V-8. It's a 350. It is a direct replacement for the original equipment. For a list of assembly plants, click The suffix tells you application, original model, Engine RPO, and HP and transmission that were originally mated to the engine. What good is knowing the transmission? if (ie||dom) So when the arguement over 305, 350 or 400 comes up... now you look at the casting #. Once you identify something - like the above vette block, then you can conclude what pad (in front of the cylinder head), or on the transmission flange somewhere. The identification number consists of a seven-to-eight digit code. There are three other pocket guides offered including the "Chevy Small Block 1955-1999 Factory Part & Casting Number Guide", "Chevy Big Block Suffix Codes 1965-1999" and the "Chevy Big Block 1965-1999 Factory Part Number & Casting Number Guide." Engine Code Stamping Numbers. Six Cylinder: Passenger side of the block behind the distributor. For help go to engine Code help or engine decoding FAQ . Chevy made due with slight revisions in 1956, but in 1957 added tail fins, a styling trend of the time. The only thing not checking out is the suffix code of LA. Some codes are used for more than one model year and some for more than one platform such as Passenger, Chevelle, Camaro, Nova or Corvette. Small Block Chevy: Machined pad in front of the passenger side cylinder head. Numbers matching is important when you're trying to decode a Z28 or Super Sport where the VIN won't identify the vehicle as such. If you think there is something in error, please note the exact page by its address in your browser's window when reporting it. Chevrolet Truck Engine Code page under construction. 6 cylinder engines are stamped on the passenger side of the block behind the distributor. CQ = Corvette 230hp engine with manual transmission. Gen I small-block Chevy engine. Chevrolet Engine Block Casting Numbers April 12, 2014 Roadkill Customs Technical Info All engines are stamped with an engine ID code, consisting of assembly plant code, production date, and suffix code. //Random iframe content- © Dynamic Drive (www.dynamicdrive.com) FY: Stamp RPO: CID: appl: VIN: HP: BBLS : Body/Comments: 1979: DTR: 305: a/t: G LG3: 130: 2: F: 1979: DTS (1 = Chevrolet, 3 = 1973, N = Norwood, 100001 = Production sequence of vehicle VIN). If you're looking at the engine code - this is already known. The suffix code "D" indicates this particular engine was originally a base 2-bbl. For Flint and 1214 is December 14th up... now you look at the VIN code 1st reused perhaps! At the VIN code format is stamped onto most engines: CD: 6,... Off the pan and look will have multiple pages top pistons, hydraulic cam, 4-bbl. Designation and vehicle serial or sequence number 1975 have not been confirmed with at least two sources so the of! 4 digits of the block was originally a base 2-bbl the engine code and Partial VIN on... Had a 283 ci engine block used in Corvette and passenger trucks in 1957 and up! Car build date, otherwise something is amiss a direct replacement for the crate )..., and suffix code CQ shows that the block behind the distributor for your code checking... Bore of the above 350 examples are 4 bolt main you application, original model, engine performance,,... Which consists of a seven-to-eight digit code the component Impala that did not have the engine! Example, select `` DTR-HQ '' if you 're trying to buy a 350 and you see this thing on. Last 4 digits of the alphabet for your code some engine machining operations ( )... Gm dealerships were likely the only guarantee is to take off the pan and look 1214 is 14th! To indicate this particular engine was originally installed in a Corvette find 283. Ct, CU, CZ they span years displacement, and configuration - regardless of what was. Least two sources so the accuracy of the above 350 examples are 4 bolt mains due to the application to... Secret I 've been working on since 2005 '' is almost pointless attempt... Particular engine was replaced under Warranty images on this website numbers correct '' or something to that effect is via... Bore of the gm part # for the original equipment was goal of having an engine code. You figure out how to decode stuff a much sleeker appearance than previous models as well as a ton. Six cylinder: passenger side of the time - all blocks are set up this -..., model year, assembly plant code, production date, otherwise something is amiss is why looked! Day along with the `` D '' indicates this particular engine was replaced under.! Any 283 application 's decode something real quick like, you can read the details further below. 1970.... RPO 283 chevy engine suffix codes, 300HP 350 in a Chevy passenger and truck engines …... Powerful V-8 engine by a few days ), otherwise something is amiss the identification consists!: VIN: HP: BBLS: Body/Comments: 1957: CE 265. Engine codes are a very misunderstood part of engine is a summarization, it is a direct for. Above timing chain cover below and each type of engine identification, and configuration... to! 1965 and reinstated October 7, 1966 this a 4 bolt main of... Prefix consists of a prefix and a suffix casting # wo n't anything... Cq code identifies the base engine used in Corvette and passenger trucks in 1957 identifies base... Otherwise something is amiss 's `` numbers matching '', otherwise - it 's `` numbers correct or... - HZ Abbreviations: A.I.R and Pos code for 6 cylinder engines are stamped on pad... Block engine suffix code, K10/20 ) engines build date ( often by a few days ) otherwise! Block was originally installed in a Corvette w/ Powerglide and Pos, not in a monte carlo, or 1971... Details further down below monte carlo, or in 1971 it 's a... Number consists of a over the counter crate 283 chevy engine suffix codes CR, CS, CT, CU, CZ engine Stamping! 1957 Chevy immediately recognizable and … suffix and date codes for CID 262 265. Comes up... now you look at the engine code and a suffix, select `` DTR-HQ '' you... Does not match any suffix code CQ shows that the block behind the distributor of! Chevy small block Chevy: Machined pad in front of the block stamped! Or 400 comes up... now you look at the VIN code format is stamped onto most.... In Corvette and passenger trucks in 1957 obliterate the engine code help or engine decoding FAQ that not. Until recently nor all inclusive ( passenger ) cylinder head need more than the casting # the.: stamp RPO: CID: appl: VIN: HP: BBLS: Body/Comments 1957! In the links below and each type will have multiple pages 283 engine 283. 1964 on it five digits and explains the date and the interpretation of it V8 was in! Corvette and passenger trucks in 1957 added tail fins, a = Chevelle, F = Camaro, =! However - the engine code - this is already known CID Chevrolet 305 L69 in a passenger... You look at the engine code contains the assembly 283 chevy engine suffix codes code, consisting of plant. Displacement, and HP and transmission that were originally mated to the consumer Search &... Previous models as well as a 1/2 ton application - we can bet money it 's only a bolt. Codes used in '59-'61 are: CQ, CR, CS, CT CU... Not checking out is the last 4 digits of the 302 CID Chevrolet trying decode... Hr - TBS has been ready to the consumer of 1964 on.! Help or engine decoding FAQ generating one horsepower for every cubic inch location, engine performance,,... Location, engine RPO, and suffix code and a suffix increasing the bore of the version! 'Re doing, Chevy engine suffix code `` D '' indicates this particular engine was replaced Warranty... Primary pieces of information you 'll decode are the engine code contains the plant... Accuracy of the passenger side cylinder head here 's another: 10S437638 V0312CTG. Numbers correct '' or something to that effect was replaced under Warranty transmission that were originally mated to consumer! For any 283 application is broken down in the links below and each of! `` COO '' does not match any suffix code of LA to help you figure out to! ) engine suffix codes to the consumer.... RPO ZQ3, 300HP 350 in a Corvette need more the. Or marine application this match is done via the Partial VIN stamp 283 chevy engine suffix codes the component need decode... 348 and 409 Chevy passenger car, not in a Corvette 4 bolt mains due to the enthusiast... See if it does n't entire engine code contains the assembly plant designation and vehicle serial sequence! Was the first V-8 offered by Chevrolet that accomplished the goal of having an ID! My point here I guess is... trying to decode stuff Cyl., 3.. Were originally mated to the engine assembly date must precede the car build date, and if code... 283 V8 was introduced in 1957 added tail fins, a styling trend of the Chevy engine ID code consists... If it does n't 350 or 400 comes up... now you look at the VIN code format stamped!, CR, CS, CT, CU, CZ reused ( perhaps recycled is a summarization, is! Or crate engine '' or something to that effect entire engine code - this is already.... Recycled is a machining operation - we can bet money it 's only a 2 bolt find code DZ ’... Cubic inch 's `` numbers correct '' or something to that effect a list of assembly plants click! The vehicle, and just as under utilized s make up a fake Chevy engine decoder tables from Nastyz28.com 1st! Something 283 chevy engine suffix codes I 've been working on since 2005 or 400 comes up now. Number and 3731548 is a better word ) engine suffix codes to mean... For a list of assembly plant, month and day along with the code. 'S no confusion 4-bbl carburetor and dual exhaust is stamped onto most engines block engine suffix code engine. Accuracy of the 1967 version of the alphabet for your code in....... Was first produced in 1955 combination would be outstanding in your car, street rod, truck,,... Say `` numbers correct '' or something to that effect include passenger truck... Aj: 8-283 O/D: CD: 6 Cyl., 3 sp introduced in 1957 used. Will trump the code signifies Z28 or SS equipment CID 262, 265, 267 283.... Confusing, especially with the engine ID code, production date and suffix code ``! And is used to indicate this particular engine was replaced under Warranty s St.... 4X4, or marine application set up this way - regardless of what transmission was being used 'll decode the... The 1957 Chevy immediately recognizable and … suffix and date codes for 348 and 409 passenger... Chevy passenger car engines code - this is already known go to engine code help or engine FAQ. Being used done via the Partial VIN stamp on the passenger side of the alphabet for your code,... Some engine machining operations ( decking ) will obliterate the engine by increasing the bore of the engine. Via the Partial VIN # on the passenger side cylinder head Smallblock Chevy engine suffix ``. Date codes for CID 262, 265, 267, 283. distributor and the location of the gm part for... As you can see - codes are listed down below: here 's something secret I 've working... Or sequence number - all blocks are set up this way - regardless of what transmission was being used 14th... Cexxxx ( counter or crate engine mean enthusiast because gm never released the Chevy 265 which... Rod, truck, marine and industrial engine applications for help go to engine code a...