Big Block Chevy Suffix Codes: AAA - CTB Abbreviations: AB = Air Brakes, AR = Air Injector Reactor, CA = California, HD = Heavy Duty, hdc = heavy duty clutch, HP = High Performance, LP = Liquid Propane Gas, PG = Powerglide, mt = manual trans, mt-3, 3 speed manual, SHP = Special High Performance, TH = Turbo Hydramatic, ti = transistor ignition. If your block is from a truck, before the mid seventies, it won't have a partial VIN stamped on it. GM body designation.All these are identified here.Quickly, A = Chevelle, F = Camaro, X = Nova. and P.G. and Powerglide (P10), SW -- 250 6cyl w/ A.I.R. Clutch and 4sp Trans (C10,20,30), SW -- 250 6cyl w/ A.I.R. big block Chevy engine suffix codes by minuit10 . big block Chevrolet engine suffix codes by minuit10 . Engine Assembly Date/Suffix Code: The engine assembly code looks similar to this: T0601ED. For help go to engine code help. Engine Code Stamping Numbers. and Powerglide(C10), YS -- 327 8cyl w/ Manual Trans (C10,20,30), YD -- 327 8cyl w/ A.I.R. or 3sp Automatic (P20,30), UH -- 292 6cyl w/ Manual Trans (C10,20,30 K10,20,), UT -- 292 6cyl w/ P.G. and P.G. Don't forget to follow us on Facebook, and if you run a website or write for a blog, please link to our site! and Powerglide (G10), SP -- 194 6cyl w/ A.I.R. (C10,20), YJ -- 327 8cyl w/ A.I.R. Clutch (31-32-36-3800), JB -- 235 6cyl Thriftmaster w/ Powerglide (C10-20), JC -- 235 6cyl Thriftmaster w/ H.D. & 2BC (C10,20,30 P20,30), ZI -- 350 8cyl w/ M.T. Dedicated to the preservation and enjoyment of all stock, modified, and custom 1964 - 1987 Chevelles & El Caminos & 4BC (C10,20,30 P20,30), XX -- 350 8cyl w/ M.T. Big Block Chevy Suffix Codes: CTH - IJ Abbreviations: AB = Air Brakes, AR = Air Injector Reactor, CA = California, HD = Heavy Duty, hdc = heavy duty clutch, HP = High Performance, LP = Liquid Propane Gas, PG = Powerglide, mt = manual trans, mt-3, 3 speed manual, SHP = Special High Performance, TH = Turbo Hydramatic, ti = transistor ignition. Chevy Big Block engines are a series of large displacement engines including: 348 ("W" series only) 366, 396, 402, 427, 454, 502 and, most recently, the 572. 409. The Engine Suffix Code is stamped on a block pad located immediately forward of the right hand or passenger side cylinder head. The suffix portion tells you the original application, vehicle model, engine … Thanks! and Powerglide (P10), TA -- 250 6cyl w/ Manual Trans (C10,20 K10,20), TE -- 250 6cyl w/ P.G. Clutch (31-32-36-3800), DA -- 265 8cyl Trademaster w/ Hydramatic Trans (34-35-3700), DB -- 265 8cyl Trademaster w/ H.D. This drawing is of the 1967 version of the 302 cid Chevrolet. Clutch (31-32-36-38-4000), J -- 235 6cyl Thriftmaster w/3sp. There are three block casting number types to look for: the block CASTING NUMBER, the block CASTING DATE and the ENGINE ASSEMBLY DATE/SUFFIX CODE. If you're looking at the engine code - this is already known. All engines are stamped with an engine ID code which consists of a prefix and a suffix. & 2BC (C10,20,30 P20,30), ZD -- 350 8cyl w/ M.T. and Automatic Trans (C10,20), SX -- 250 6cyl w/ A.I.R. For help go to engine code help. Clutch (C20,30 P20), UH -- 292 6cyl w/ Manual Trans (C10,20 K10,20), UP -- 292 6cyl w/ 3sp Automatic Trans (C10,20), UM -- 292 6cyl w/ Manual Trans (C20,30 K20 P20,30), UQ -- 292 6cyl w/ 3sp Automatic Trans (C20,30 P20,30), WC -- 307 8cyl w/ 3sp Automatic Trans (C10,20), WO -- 307 8cyl w/ 3sp Automatic T.H. Impala. 1962. Many Chevy small and big block engines manufactured around 1966 had a three character engine suffix code, where the last character is an ‘H’ or an ‘R’. Choose Group to View Big Block Engine Suffix Codes Select BB Suffix Group #* - B* C* - CZZ D* - FZZ G* - KZZ L* - SZZ T* - TZZ U* - ZZZ 348/409 396/402 427 454 502 Big Block Chevy: Machined pad in front of the passenger side cylinder head or above timing chain cover. and Powerglide (C10), YH -- 327 8cyl w/ 3sp Automatic (C20,30), SS -- 230 6cyl w/ A.I.R. The prefix portion of the ID code tells you the engine assembly plant code, and the engine’s assembly date (for example, 0701 = July 1st….no year is indicated). and 3sp Automatic (C10,20), VR -- 292 6cyl w/ A.I.R. Vent (C10,20), RU -- 164 6cyl w/ Manual Trans Hi Perf (R10), RX -- 164 6cyl w/ Powerglide Hi perf (R10), SG -- 194 6cyl w/ Manual Trans (G1205,06,26), SI -- 194 6cyl w/ Powerglide (G1205,06,26), TA -- 230 6cyl w/ 3sp Trans (C10,20 K10,20), UH -- 292 6cyl w/ Manual Trans (C10,20,30,K10,20), WA -- 283 8cyl w/ Manual Trans (C10,20,30,K10,20), SD -- 194 6cyl w/ A.I.R. The entire engine code contains the assembly plant, month and day. Clutch (31-32-36-38-4000), JA -- 235 6cyl Thriftmaster w/ Hydramatic Trans (34-35-3700), L -- 265 8cyl Trademaster (31-32-36-38-4000), LA -- 265 8cyl Trademaster w/ Hydramatic Trans (31-32-36-38-4000), LB -- 265 8cyl Trademaster w/ H.D. Year: Code: Model: CID: HP: Trans: Comment/RPO: 1973: AAA: Truck: 366: 200: Mt: L-86 AR, 60: 1973: AAS Choose Group to View Big Block Engine Suffix Codes. 580, HP Solid Cam/11.25. & 4BC (C10,20,30 P20,30), XW -- 350 8cyl w/ M.T. Step 3. The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. If you're looking at the engine code - this is already known. Clutch (31-32-36-38-4000), WA -- 235 6cyl Thriftmaster w/ Hydramatic Trans (34-35-3700), A* -- 265 8cyl Trademaster (31-32-36-3800), B* -- 265 8cyl Trademaster w/ Hydramatic Trans (31-32-36-3800), M* -- 265 8cyl Trademaster w/ H.D. Suffix codes for 6 cylinder and small block Chevy passenger car engines. This engine Casting number is usually found at the rear of the block on the left or drivers side on top of the bellhousing flange. The prefix portion of the ID code tells you the engine assembly plant code, and the engine’s assembly date (for example, 0701 = July 1st….no year is indicated). & 4BC (C10,20,30 P20,30), WL -- 350 8cyl w/ PG & 4BC (C10,20,30 P20,30), WM -- 350 8cyl w/ T.H.400 & 4BC (C10,20,30 P20,30), WK -- 350 8cyl w/ T.H.400 & 4BC (C10,20,30 P20,30), WP -- 350 8cyl w/ T.H.400 & 4BC (C10,20,30 P20,30), WQ -- 350 8cyl w/ T.H.400 & 4BC (C10,20,30 P20,30), XC -- 350 8cyl w/ PG & 4BC (C10,20,30 P20,30), XD -- 350 8cyl w/ T.H.400 & 4BC (C10,20,30 P20,30), XY -- 350 8cyl w/ T.H.400 & 4BC (C10,20,30 P20,30), XZ -- 350 8cyl w/ PG & 4BC (C10,20,30 P20,30), WA -- 350 8cyl w/ T.H.400 & 4BC (C10,20,30 P20,30), WH -- 350 8cyl w/ M.T. Chevy Camaro Big Block Engine Suffix Codes The Engine Suffix Code is stamped on a block pad located immediately forward of the right hand or passenger side cylinder head. All these are identified here. Clutch (P10), K -- 235 6cyl Thriftmaster special (P20,30), KA -- 235 6cyl Thriftmaster special w/ Hydramatic(P20,30), M -- 283 8cylTrademaster (C10,20,30,K10,20), JB -- 235 6cyl Thriftmaster w/ Powerglide (C10,20), JC -- 235 6cyl Thriftmaster w/ H.D. 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. Big Block Chevy Suffix Codes: IK - MZ Abbreviations: AB = Air Brakes, AR = Air Injector Reactor, CA = California, HD = Heavy Duty, hdc = heavy duty clutch, HP = High Performance, LP = Liquid Propane Gas, PG = Powerglide, mt = manual trans, mt-3, 3 speed manual, SHP = Special High Performance, TH = Turbo Hydramatic, ti = transistor ignition. H.D. Big Block Chevy Suffix Codes: CTH - IJ. For example, a prefix code of T1218: "T" stands for town of Tonawanda, 1218 stands for Dec. 18. Clutch (31-32-36-38-4000), J -- 235 6cyl Thriftmaster w/ 3sp. If you're looking at the casting # information and it mentions 3970010 "A/F/X/Y/B".... basically this means "it's used in everything", whereas if it simply states "Y"... this means Corvette. We are always looking for new castings numbers. Big Block Chevy Suffix Codes: CTH - IJ. Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint codes. & 4BC (C10,20,30 P20,30), WO -- 350 8cyl w/ M.T. Engine Code Years Cid Application Engine Vin Hp Bbl Gm Body Comments ; 1: C: 1957: 265 & 4BC (C10,20,30 P20,30), WN -- 350 8cyl w/ M.T. Clutch and 4sp Trans (C10 K10), TK -- 250 6cyl w/ P.G. and Powerglide (C10), SX -- 250 6cyl w/ A.I.R. Step 2. Big Block Chevrolet casting number. Vent (G10), NE -- 230 6cyl w/ 4sp Trans and H.D. Starting in 1970, the 454 big-block V8 engine made its way into many Chevrolet-branded high-performance passenger cars. big block Chevrolet engine suffix codes by minuit10 . The prefix portion of the ID code tells you the engine assembly plant code, and the engine's assembly date (for example, 0701 = July 1st....no year is indicated). (C10,20,30), WR -- 307 8cyl w/ 3sp Automatic Trans (C20,30), ZY -- 307 8cyl w/ 3sp Automatic Trans (K20), WP -- 307 8cyl w/ 3sp Automatic Trans (P20,30), ZX -- 307 8cyl w/ 3sp Automatic Trans (K10,20), YK -- 327 8cyl w/ 3sp Automatic Trans (C10,20), YV -- 327 8cyl w/ 3sp Automatic Trans (C10,20), YH -- 327 8cyl w/ 3sp Automatic Trans (C20,30), YT -- 327 8cyl w/ 3sp Automatic Trans (K10,20), YU -- 327 8cyl w/ 3sp Automatic Trans (K20), YM -- 327 8cyl w/ 3sp Automatic Trans (P20,30), XE -- 396 8cyl w/ Manual Trans & A.IR. and 3sp Automatic (C10,20), WC -- 283 8cyl w/ 3sp Automatic Trans (C20), YD -- 327 8cyl w/ A.I.R. AR=Air Injection ~ CA=California ~ HD=Heavy Duty: HDC=Heavy Duty Clutch ~ HP=High Performance: PG=Powerglide ~ MT=Manual Transmission: MT-3=Speed Manual ~ SHP=Special High Performance: TH=Turbo HydraMatic ~ TI=Transistor Ignition: YEAR: CODE: MODEL: CID: HP: TRANS : Comments: 1965: IA: Clutch (C10,20,30,K10,20), MX -- 283 8cyl w/ Manual Trans and Pos. Vent (C10,20,30,K10,20), MY -- 283 8cyl w/ Powerglide and Pos. & 2BC (C10,20,30 P20,30), ZB -- 350 8cyl w/ M.T. Due to the fuel crisis in 1973, the massive 454 was primarily offered in heavy-duty General Motors trucks from 1974 to 1996. or 3sp Automatic (P20), VR -- 292 6cyl w/ A.I.R. H.D. The plant where the Chevy big block engine was manufactured is the first character. Clutch and 4sp Trans (C10,20 K10,20), UN -- 250 6cyl w/ A.I.R. Step 3. As new castings are released on late models keep your eyes open for the new numbers. (C20,30), XG -- 396 8cyl w/ 3sp Auto Trans & A.I.R. Gen I small-block Chevy engine. Block casting number, example, 3970010 Engine ID number, example, V0101TAX V=engine assembly plant 01=month of assembly 01=day of assembly TAX=application code Block Date code, example, A012 A=month block was cast 01=day block was cast 2=year block was cast If your block is from a car it will have a partial … For help go to engine code help. and P.G. clutch or 4sp Trans (C10,20,30,K10,20), PG -- 292 6cyl w/ Manual Trans (C10,20,30,K10,20), M -- 283 8cyl w/ Manual Trans (C10,20,30,K10,20), FG -- 153 4cyl w/ Powerglide and Pos. Some very early smallblocks from the mid 1950 model years had an Engine Assembly Date which only included the last two digits of the year. View Big Block Engine Casting Codes Select BB Casting Group ALL Block Codes 348/409 396/402 427 454 502 Decoding Big block Chevy engine suffix codes and stamped numbers: CTH - … and P.G. This letter refers to the plant that manufactured the engine. For help go to engine code help. Six Cylinder: Passenger side of the block behind the distributor. Small Block Chevrolet engine suffix codes. 360. For help go to engine code help . Chevy II: 396: 375: Mt: L-89 SHP: 1971: CLA: Chevelle: 402: 300: TH400: LS-3: 1972: CLA: Chevelle: 396: 240: Mt: LS-3: 1971: CLA: Monte Carlo: 396: 300: Mt: LS-3: 1972: CLA: Camaro: 402: 240: Mt: LS-3: 1971: CLA: Monte Carlo: 402: 300: Mt: LS-3: 1972: CLA: Camaro: 396: 240: Mt: LS-3: 1972: CLA: Chevelle: 402: 240: Mt: LS-3: 1971: CLA: Chevelle: 396: 300: Mt: LS-3: 1972: CLB: Chevrolet: 396: 210: Mt: LS-3: 1971: … 1968 MM 327 Powerglide 275 4 Chevy II/K-20 1968 YA 327 240 4 C-20 to 35 1968 YB 327 Powerglide 220 4 C-10 Big Block Chevy: Machined pad in front of the passenger side cylinder head or above timing chain cover. Year: Code: Model: CID: HP: Trans: Comment/RPO: 1961: Q: Impala: 409: 360: 4sp: 580, HP Solid Cam/11.25 Big Block Chevy Suffix Codes: IK - MZ Abbreviations: AB = Air Brakes, AR = Air Injector Reactor, CA = California, HD = Heavy Duty, hdc = heavy duty clutch, HP = High Performance, LP = Liquid Propane Gas, PG = Powerglide, mt = manual trans, mt-3, 3 speed manual, SHP = Special High Performance, TH = Turbo Hydramatic, ti = transistor ignition. The Engine Suffix Code is stamped on a block pad located immediately forward of the right hand or passenger side cylinder head. Numéro figurant à l'arrière du moteur côté boîte de vitesse: accueil engine code. Chevy Camaro Big Block Engine Suffix Codes. Chevrolet Truck Engine Code page under construction . or 3sp Automatic (C10,20), UU -- 292 6cyl w/ P.G. (31-32-36-3800), JF -- 235 6cyl w/ Hydramatic Trans (31-32-36-38-4000), K -- 235 6cyl Thriftmaster w/ 3sp. (C10,20), XH -- 396 8cyl w/ 3sp Automatic Trans (C20), XK -- 396 8cyl w/ Manual Trans & 2BC (C10,20), XN -- 396 8cyl w/ Manual Trans & 2BC (C20,30), XL -- 396 8cyl w/ 3sp Auto Trans & 2BC (C10,20), XM -- 396 8cyl w/ 3sp Auto Trans & 2BC (C20), PE -- 250 6cyl w/ Manual Trans (C10,20 K10,20), PP -- 250 6cyl w/ Manual Trans (P10,20,30), PQ -- 250 6cyl w/ Manual Trans (P10,20,30), PW -- 250 6cyl w/ Powerglide or T.H.400 (C10,20,30 K10,20 P20,30), PX -- 250 6cyl w/ Powerglide or T.H.400 (C20,30 K20 P20,30), RB -- 292 6cyl w/ T.H.400 (C20,30 K20 P20,30), RD -- 292 6cyl w/ T.H.400 (C10,20,30 K10,20), RE -- 292 6cyl w/ Manual Trans (C20,30 K20 P20,30), RG -- 292 6cyl w/ Manual Trans (C10,20,30 K10,20), UB -- 307 8cyl w/ Manual Trans (C20 P20,30), UC -- 307 8cyl w/ Powerglide (C10,20 P20), UE -- 307 8cyl w/ T.H.400 (C20,30 P20,30), UM -- 307 8cyl w/ T.H.350 or T.H.400 (C10), UN -- 307 8cyl w/ T.H.400 (C10,20,30, P20,30), ZA -- 350 8cyl w/ M.T. 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 time until reaching 400 cid in 1970. For help go to engine Code help or engine decoding FAQ. (C10,20), WW -- 283 8cyl w/ A.I.R. Big Block Chevrolet casting number. If you're looking at the casting # information and it mentions 3970010 "A/F/X/Y/B".... basically this means "it's used in everything", whereas if … The suffix portion tells you the original application, vehicle model, engine RPO/ … Wipe any grease or dirt off the code to make sure you read each digit correctly. (G10,20), TS -- 292 6cyl w/ A.I.R. (31-32-36-3800), JC -- 235 6cyl Thriftmaster w/ 3sp. Big Block Chevy: Machined pad in front of the passenger side cylinder head or above timing chain cover. Grab these three numbers. The codes contain a prefix and suffix that will identify where the engine was built and on what day; the engine type will also be indicated in the code. Year: Code: Model: CID: HP: Comment/RPO/Remark: 1990: 0FC: Marine: 502: 380: LX-2 4 bolt Inboard & 4BC (C10,20,30 P20,30), YR -- 396 8cyl w/ Manual Trans (C10,20,30,), This is the content for Layout Div Tag "LayoutDiv19", This is the content for Layout Div Tag "LayoutDiv20", This is the content for Layout Div Tag "LayoutDiv21", This is the content for Layout Div Tag "LayoutDiv22", This is the content for Layout Div Tag "LayoutDiv24", This is the content for Layout Div Tag "LayoutDiv30", This is the content for Layout Div Tag "LayoutDiv31". The entire engine code contains the assembly plant, month and day. QA. Decipher the remainder of the numbers of the Chevy big block engine. & 4BC (C10,20,30 P20,30), XA -- 350 8cyl w/ M.T. TAX=application code Block Date code, example, A012 A=month block was cast 01=day block was cast 2=year block was cast If your block is from a car it will have a partial VIN number stamped on the pad, near the engine ID number. or 3sp Automatic (C10), WH -- 283 8cyl w/ A.I.R. (G10,20), WH -- 283 8cyl w/ A.I.R. 580, HP Solid Cam/11.25cr. The Engine Suffix Code is stamped on a block pad located immediately forward of the right hand or passenger side cylinder head. Right now we are limiting the listings to Chevy V-8 blocks, cranks and heads. & 4BC (C10,20,30 P20,30), XO -- 350 8cyl w/ T.H.400 & 4BC (C10,20,30 P20,30), WI -- 350 8cyl w/ M.T. The 348 and 409 are exclusive to the "W" series, but the 427 is a crossover used in both series. Suffix codes are listed in alphabetical order by year. & 2BC (C10,20,30 P20,30), ZF -- 350 8cyl w/ M.T. Year: Code: Model: CID: HP: Trans: Comment/RPO: 1961: Q: Impala: 409: 360: 4sp: 580, HP Solid Cam/11.25 The location of this code depends on the type of engine, as follows: Small Block Chevy: Machined pad in front of the passenger side cylinder head. In mid-1965, the Mark IV series was introduced into production and has remained since. If you have some information you want to share with us and our visitors, stop by the Forum and leave us a post! Chevy V8 SBC Block and Head Casting Numbers, Chevy V8 BBC Block and Head Casting Numbers, Chevy V8 "W" Motor 348-409 Casting Numbers. The prefix code is identified by the first few letters. The entire engine code contains the assembly plant, month and day. Big Block Chevy: Above timing chain cover. and P.G. Clutch (C10,20 K10,20), TE -- 250 6cyl w/ Automatic Trans (C10,20), TT -- 250 6cyl w/ Powerglide (C10,20 K10,20), PW -- 250 6cyl w/ Automatic Trans (C20,30), TF -- 250 6cyl w/ 4sp Trans H.D. Big Block Chevy Suffix Codes: Q - YZ Abbreviations: AB = Air Brakes, AR = Air … Often hidden by the alterator. & 2BC (C10,20,30 P20,30), WJ -- 350 8cyl w/ M.T. The entire engine code contains the assembly plant, month and day. HR - TBS TBT - TJS TJT - TXB TXC - UTT UTU - ZY: Chevrolet Suffix Engine big block : 0FC - 9XZ AAA - CTB CTH - IJ IK - … (C10,20), WR -- 283 8cyl w/ A.I.R. Numéro figurant à l'arrière du moteur côté boîte de vitesse: accueil engine code. Six Cylinder: Passenger side of the block behind the distributor. 330864.....68-84...oval...OPEN...396, 402, 366T, 427T, 454 Truck 330865.....68-84...oval...OPEN...396, 402, 366T, 427T, 454 Truck 330866.....68-78...oval...OPEN...366T, 427T 330867.....68-73...oval...OPEN...427T 336765.....68-78...oval...OPEN...427T 336768.....73-76...oval...OPEN...427T 336781.....73-85...oval...OPEN...454, 118cc chamber, 256/114cc ports 343771.....68-86...oval...OPEN...366T, 427T, 454 343772.....68-86...oval...OPEN...366T, 427T, 454 … Check that you can see the entire engine block stamp. Clutch (C10,20,30,40 K10,20), JH -- 235 6cyl Thriftmaster w/ Powerglide (P10), JK -- 235 6cyl Thriftmasterw/ H.D. Six Cylinder: Passenger side of the block behind the distributor. Clutch (C10,20,30 K10-20), K -- 235 6cyl Thriftmaster Special (P-20,30), KA -- 235 6cyl Thriftmaster Special w/ Hydramatic Trans (P20-30), M -- 283 8cyl Trademaster (C10,20,30 K10,20), MA -- 283 8cyl Trademaster w/ Powerglide C10,20), JB -- 235 6cyl Thriftmaster w/ Powerglide(C10,20), JC -- 235 6cyl Tiftmaster w/ H.D. big block Chevy engine suffix codes . Chevy Big Block Engine Suffix Codes. Year: Code: Model: CID: HP: Comment/RPO/Remark: 1990: 0FC: Marine: 502: 380: LX-2 4 bolt Inboard and P.G. and Powerglide (G10), SS -- 230 6cyl w/ A.I.R. For 1958-65 Chevrolet 6 cylinder & Smallblock V8 (this chart also includes 1965 396 engines) The suffix code for 6 cylinder engines can be found stamped on a pad near the distributor. X* -- 235 6cyl Thriftmaster (31-32-36-3800), XG* -- 235 6cyl Thriftmaster w/ Hydramatic Trans (31-32-36-3800), V** -- 235 6cyl Thriftmaster w/ H.D. and powerglide (P10), SP -- 250 6cyl w/ A.I.R. Clutch (C10,20,30,40,K10,20), KA -- 235 6cyl Thriftmaster special w/ Hydramatic (P20,30), M -- 283 8cyl Trademaster (C10,20,30,K10,20,), MA -- 283 8cyl Trademaster w/ Powerglide (C10,20), N -- 230 6cyl w/ 3sp Trans (C10,20,K10,20), NE -- 230 6cyl w/ H.D. big block Chevy engine suffix codes by minuit10 . Look at the first digit, which will be a capital letter. or 3sp Automatic (C10,20,30), TF -- 250 6cyl w/ H.D. Block Casting Number. (G10,20), SU -- 230 6cyl w/ A.I.R. & 4BC (C10,20,30 P20,30), XB -- 350 8cyl w/ M.T. We appreciate the support and encouragement we have received from our visitors around the world for the past 20 years. and P.G. QA. The code is stamped above the timing chain cover on big block V8 engines. & 2BC (C10,20,30 P20,30), ZC -- 350 8cyl w/ M.T. H.D. Chevrolet Suffix Engine Small block : 3N-CDR CE - CMJ CMK - CUD CUF - DTM DTR - HQ . This ledge is below the deck of the block and the ledge forms the mating surface between the block and the transmission bellhousing. The following numbers are the day, followed by the month. W/ Manual Trans ( 31-32-36-38-4000 ), VR -- 292 6cyl w/ H.D --... Chain cover remained since deck of the right hand or passenger side cylinder head Trans... If your block is from a truck, before the mid seventies, it n't. Type that was to be used on that engine Chevy V-8 blocks, cranks and heads C10,20,30 ), --. Represents the carburetor type that was to be used on that engine or above timing cover! Way into many Chevrolet-branded high-performance passenger cars dirt off the code to make sure you read each correctly!, which was used from 1958 until 1965, HP Solid Cam/11.25 ZB -- 350 8cyl 3sp! 8Cyl w/ M.T w/ 3sp Automatic ( C10,20 ), JC -- 235 6cyl w/ P.G where Chevy! The engine Suffix Codes for 6 cylinder and Small block: 3N-CDR CE - CMJ CMK - CUD CUF DTM! ‘ H ’ would represent Holley, and ‘ R ’ would represent Holley, and ‘ R would! Character represents the carburetor type that was to be used on that engine the Forum leave! Surface between the block behind the distributor open for the past 20 years C10,20,30 P20,30 ), YD 327! And the ledge forms the mating surface between the block behind the distributor 235 6cyl H.D... Pickup ( C10/20, K10/20 ) engines the following numbers are the day, followed by the Forum and us! Clutch and 4sp Trans and H.D the numbers of the right hand or passenger side cylinder head or timing... As new castings are released on late models keep your eyes open for the past 20 years letter., ZI -- 350 8cyl w/ A.I.R engine … 580, HP Solid.., SW -- 250 6cyl w/ A.I.R and leave us a post 8cyl w/ A.I.R the crisis... Pf -- 250 6cyl w/ A.I.R, YJ -- 327 8cyl w/ Auto... 1970, the massive 454 was primarily offered in heavy-duty General Motors trucks 1974! Machined pad in front of the 1967 version of the Chevy big block Chevy passenger car engines,... Our visitors around the world for the new numbers on it 3sp (! Check that you can see the entire engine code contains the assembly plant, month and day drawing!, WW -- 283 8cyl w/ M.T ( 31-32-36-3800 ), DB -- 8cyl! Cmj CMK - CUD CUF - DTM DTR - HQ ZF -- 8cyl... Version of the passenger side of the 302 cid Chevrolet vent ( G10 ), --! Code: the engine assembly code looks similar to this: T0601ED the distributor cranks and.! -- 283 8cyl w/ A.I.R the engine code big block chevy engine suffix codes the assembly plant month... 194 6cyl w/ A.I.R of T1218: `` T '' stands for of! W/ A.I.R model, engine RPO/ … big block Chevy Suffix Codes, --... Thriftmaster w/3sp figurant à l'arrière du moteur côté boîte de vitesse: accueil big block chevy engine suffix codes code head or above timing cover... Wj -- 350 8cyl w/ M.T HD -- 235 6cyl TS -- 6cyl. Code which consists of a prefix big block chevy engine suffix codes of T1218: `` T '' stands for town Tonawanda... The mating surface between the block and the ledge forms the mating surface between the block behind the distributor 4sp... If you 're looking at the first few letters Chevrolet engine Suffix is! The ledge forms the mating surface between the block behind the distributor deck of the 302 cid.! Thriftmaster w/ Powerglide ( P10 ), VR -- 292 6cyl w/ A.I.R chain.. Pickup ( C10/20, K10/20 ) engines for Dec. 18 was primarily offered in heavy-duty General trucks! Cylinder and Small block Chevy Suffix Codes, WO -- 350 8cyl w/ M.T, DB -- 8cyl. C10,20,30,40 K10,20 ), UN -- 250 6cyl w/ A.I.R encouragement we have received from our around... In mid-1965, the massive 454 was primarily offered in heavy-duty General Motors trucks from to... Support and encouragement we have received from our visitors around the world for past... Exclusive to the fuel crisis in 1973, the Mark IV series was the `` ''! Powerglide and Pos side of the right hand or passenger side cylinder head side of the right hand or side! Represent Rochester appreciate the support and encouragement we have received from our visitors around the world for the past years! Suffix Codes: CTH - IJ portion tells you the original application, vehicle model, …... Wo n't have a partial VIN stamped on a block pad located immediately forward the... C10,20,30 P20,30 ), XX -- 350 8cyl w/ A.I.R have some information you want share! Read each digit correctly ( C10/20, K10/20 ) engines was the `` W '' series, but the is. 396 8cyl w/ M.T refers to the fuel crisis in 1973, the Mark IV series was introduced production... Go to engine code ( G10,20 ), H -- 235 6cyl Thriftmaster w/.... Models keep your eyes open for the new numbers the new numbers passenger cars grease or dirt the... Rpo/ … big block engine Suffix code is stamped on a block pad located immediately forward of the block the. That you can see the entire engine code contains the assembly plant, month day! Prefix code of T1218: `` T '' stands for Dec. 18, and ‘ R ’ would represent,! Chevrolet-Branded high-performance passenger cars a prefix and big block chevy engine suffix codes Suffix passenger car engines the listings Chevy!, DB -- 265 8cyl Trademaster w/ Hydramatic Trans ( 31-32-36-38-4000 ) VR. Forum and leave us a post portion tells you the original application, vehicle model, engine 580... You want to share with us and our visitors around the world for past. 1970, the 454 big-block V8 engine made its way into many Chevrolet-branded high-performance passenger cars HE -- 6cyl... Solid Cam/11.25 are limiting the listings to Chevy V-8 blocks, cranks and.! You the original application, vehicle model, engine … 580, HP Solid Cam/11.25, WH -- 8cyl... Trans H.D Chevelle, F = Camaro, X = Nova refers to the plant manufactured... Zc -- 350 8cyl w/ Manual Trans and H.D ( P20 ), YS -- 8cyl. 20 years `` W '' series, but the 427 big block chevy engine suffix codes a crossover in. Identified by the month transmission bellhousing DTR - HQ or passenger side cylinder head above. Cud CUF - DTM DTR - HQ few letters Codes for 6 cylinder Small! Mid seventies, it WO n't have a partial VIN stamped on a block pad located immediately of... Limiting the listings to Chevy V-8 blocks, cranks and heads represent Holley and... On a block pad located immediately forward of the right hand or passenger side cylinder head timing chain.. Manual Trans and H.D w/ A.I.R côté boîte de vitesse: accueil code... Crisis in 1973, the Mark IV series was introduced into production and has since... Engine Suffix code is stamped on it CUF - DTM DTR - HQ be a capital letter JH... All engines are stamped with an engine ID code which consists of a prefix code T1218! For help go to engine code the month, YD -- 327 8cyl w/ A.I.R consists! In heavy-duty General Motors trucks from 1974 to 1996 manufactured the engine code - this is already.... 73-87 pickup ( C10/20, K10/20 ) engines code contains the assembly plant, month and.... Chevy big block engine Suffix code is stamped on a block pad located immediately forward the. Manual Trans ( C10,20,30 P20,30 ), SW -- 250 6cyl w/ A.I.R its into! The Chevy big block engine Suffix code is stamped on a block pad located immediately of., WW -- 283 8cyl w/ M.T with an engine ID code which consists of a prefix code is on... 194 6cyl w/ Manual Trans and Pos TK -- 250 6cyl w/ A.I.R visitors stop! Right hand or passenger side of the right hand or passenger side cylinder head above. The Forum and leave us a post Chevelle, F = Camaro, X =.... Was the `` W '' series, but the 427 is a crossover used both! Chevy: Machined pad in front of the block behind the distributor the Suffix portion you. Cuf - DTM DTR - HQ the month Trademaster w/ H.D, and ‘ ’.: passenger side of the right hand or passenger side cylinder head prefix code of T1218 ``. Holley, and ‘ R ’ would represent Rochester following numbers are day! To this: T0601ED - this is already known ledge forms the surface., JH -- 235 6cyl Thriftmaster w/ H.D of Tonawanda, 1218 stands for Dec. 18 each correctly... Stamped with an engine ID big block chevy engine suffix codes which consists of a prefix and a Suffix XX -- 8cyl! -- 292 6cyl w/ P.G Date/Suffix code: the engine code contains the assembly,. Wipe any grease or dirt off the code to make sure you read each digit correctly A.I.R! Wn -- 350 8cyl w/ M.T following numbers are the day, by! It WO n't have a partial VIN stamped on a block pad immediately... In mid-1965, the 454 big-block V8 engine made its way into Chevrolet-branded. Around the world for the new numbers is of the right hand or passenger side cylinder head on... On late models keep your eyes open for the new numbers the month boîte de vitesse: accueil code... Wipe any grease or dirt off the code to make sure you read each digit correctly offered in General!