R: Saginaw 4-speed For example, the application code may be CB but in the transmission code itself, only a B will be used. SC .. 327 .250 ...WCFB 1x4 BC & Powerglide. Suffix codes are R, RA, S, SA, RB, K, SB and SG, with each suffix denoting the type of carburetor, transmission and whether the Chevy is equipped with air conditioning. The Julian date in the transmission code started at 1 for January 1st of the start of that model year and continued past 365 until the end of production. This drawing is of the 1967 version of the 302 cid Chevrolet. The casting number is located on the front of the carrier on the bottom right corner. 04 – 4th day of the month Prior to the 10 bolt/12 bolt rear axles that came out in 1965, the axle housing was the same for all ratios. CM 307 engine That is followed by the day of the month it was cast and the year. 6 cylinder engines are stamped on the passenger side of the block behind the distributor. K – McKinnon Industries, Canada (L6 and small block V8) Instructions on How to Set the Clock in ... "1967 Chevrolet" is Copyrighted by Flickr user: Hugo90 (JOHN LLOYD) under the Creative Commons Attribution license. Copyright 2020 Leaf Group Ltd. / Leaf Group Media. H: H.D. 1965 Code Number Engine HE 327 Base 250 WCFB 1x4BC & Manual Transmission HF 327 L75 300 AFB 1x4BC & Manual Transmission HG 327 L84 375 FI, Hi-Lift Cam & 4-Speed HH 327 L76 365 Holley 1x4BC, Mech. The Code. Y9E10 1969 Toledo TH350 assembled on May 10th Around January of 1969 the 327-2 was replaced with the 307-2 as the base V8. 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. All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. 1963 SG 327 glide, h/p, a/c - 300 4 cars/Z-28/T/A/B 1963 XE 327 universal service - - cars 1964 CJ 283 man 3 spd, A/C - - - Kingswd the engine suffix code. For example, transmissions built early in the model year in August and September would have a date code in the 200’s where as those built after January 1st would start from 366. It might look something like \" 1964 Engine Application Suffix Codes; ... L36 Police LF LG 427ci/427HP L72 LS LD 327 suffix codes with a letter and number indicate usage of a revised distributor. The full code is TO114HCH. V – Flint, MI (small block V8 starting 1967), In the above example: 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 … T – Tonawanda, NY engine plant Copyright © 2020 Impalas.org. etc. My project right now is to take a 327 out of my 1966 Impala and install it, (after rebuild), into a 1984 Monte Carlo SS. Casting numbers for 1962 to 1965 models generating 250 to 375 horsepower is 3782870; 3789817 for 1962 to 1967 models providing 210 to 275 hp; 3791362 for 1964 to 1967 models with 250 to 300 hp; 3814660 for 1968 to 1969 models with 250-hp engines; and 3830944 for 1963 models with 300 hp. 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. Casting numbers were "cast" when the engine was poured at the foundry. The gear set was installed in a carrier, also referred to as a “pumpkin” that could removed from the front side of the axle assembly as a complete unit. The casting date is on the rear of the carrier, towards the top on the driver’s side. The Turbo 400 automatic transmission has the application and date codes stamped on a metal tag riveted to the passenger’s side of the transmission case. 6Y204760 – partial VIN# from a fullsize Chevy built at Wilmington, DE. All these are identified here. Passenger’s side of the transmission oil pan. CY 427 engine (L72). HO . When matched to this listing, the suffix code "CSB" is identified as a 1973 400-cubic-inch engine with 175 horsepower, originally installed in a Chevy Caprice. E 13 5 would be May 13th, 1965. The suffix tells you application, original model, Engine RPO, and HP and transmission that were originally mated to the engine. 1967 Code Number Engine HE 327 Base 300 1x4BC & Manual Transmission HH 327 Base 300 1x4BC, K19 & Manual Transmission HO 327 Base 300 1x4BC & Powerglide HR 327 Base 300 1x4BC, K19 & Powerglide HP 327 Base 300 … Continue reading → A is January, B February, C March, I September, L December. 1. Your email address will not be published. 1967 saw the first year the 396 V8 camshaft abandoned the grooved rear journal and matching bearing in the engine block in favor of a smooth journal like the 283/327 V8. P8T03 1968 Muncie 4-speed assembled on December 3rd. It is located on the rear, top left (driver’s side) for all others. (A – Detroit, B – Buffalo). The following is a list of TH400 application codes used only on the full-size Chevrolets. 1965 and up Muncie 4-speed code location. T: Toledo Powerglide Your source for Impala, Caprice, Belair and Biscayne information. The location of that code was behind the distributor on L6 engines and in front of the passenger’s side cylinder head on V8’s. Manual Trans. The suffix code for 6 cylinder engines can be found stamped on a pad near the distributor. HH . In 1964, the axle code was stamped on the front, right side of the differential carrier housing. V8 engine codes are stamped on a pad forward of the cylinder head on the passenger side of the block. Saginaw 3-speed and 4-speed code location. F – Flint, Michigan (L6 and small block V8) E: McKinnon Powerglide The letter is the month the block was cast. Now i've done as much research as I pssibly can on the suffix codes and the only thing I can't figure out is the suffix code HC at the end. This is the reason i'm confused. 1020: Assembled October 20th Automatic The 327 Chevy engine is stamped on a machined pad on the front passenger side cylinder head usually behind the alternator. His experience ranges from legal affairs reporting to covering the Middle East. The 327-2bbl engine was initially the base V8 for Camaro in 1969. C: Cleveland Powerglide Powerglide and TH350 code location. First letters of "F," "S," "K" or "T" denotes Flint, St. Catherines, Ontario or Tonawanda, followed by month/day/year of build and the suffix code. The casting number on this engine is 3858180. Decoding small block Chevy engine suffix codes and stamped numbers: HR … FG Police only. BB 3.36 non posi assembled at Detroit Engine parts and information for the Chevy 327 V8 such as horsepower and firing order. Examples for 1967-1970 transmission date code format: CG 396 engine (with 2.29:1 axle) Note: CODE CE was used from 1968 to current year. Here are the engine block casting numbers used for small blocks and big blocks. The engine pad was stamped with the engine assembly plant, assembly date and application code. Note: Partial VIN number from Janesville, WI plant. P: Muncie 4-speed This full transmission code will be found on your Protect-O-Plate if it still with your car. SD .. 327.300 ...AFB 1x4 BC & Powerglide. A – Jan, B – Feb, C – Mar, D – Apr, E – May, H – June, K – July, The casting date on the L6 block is on the right side. C1210 Cleveland Powerglide assembled on December 10th It was used in 66, 67, and 68 Chevelles as well as a 327/275hp L30 engine. Block Codes A-January B-February C-March Etc. "2800" is the last 4 digits of the GM part # for the crate engine assembly. What can be found on the axle housing is the stamped axle code with assembly date, housing casting number and date housing was cast. Gen I small-block Chevy engine. 67A509 67 TH400 for use with 396 engine, assembled on May 24th T – Tonawanda, NY (small block and big block V8) The EA suffix code was used for more years than the 1957 283 and the 65 327/250. The tag has several codes on it, which consisted of the full transmission code with Julian date code, application code, model year and serial number of the transmission. All Rights Reserved. Driver’s side of case below side cover. Any camshaft from a 1965 or 1966 396 engine can be used in a 1967 or later block but not the other way around. CA 396 engine (also 350 engine in 1969) I think your mis-reading the stamping. For all transmissions except the TH400, these are the transmission type codes used. Sample 1964 axle code: AB1202 B: Cleveland TH350 Multiple casting numbers were sometimes used for the same application in a model year. On a Small Block Chevrolet, this stamping code is located on a flat pad in front of the passenger side cylinder head, usually hidden by the alternator. CF 427 engine (LS1 with 2.29:1 axle) It is located on the top, rear of the block on the passenger’s side. The 327 by Chevrolet was produced from 1962 to 1969. It will be a D for Dana, E for Eaton or W for Warner. Decoded, the first sequence is 6 for the year (66) and then the VIN sequence of 122891. In 1968, all V8’s had the partial VIN# stamped on the block. It is located on a machined pad on the engine block. An engine code, and below it is the partial VIN. CQ 427 engine (LS1) Those cases are rare. The 64 and 65 409 blocks, used a date code that stated the day of the year the block was cast. 1202 assembled December 2nd, A sample 1965-1969 rear axle code would look like DH1020B which decodes to the following: The block casting date was either cast on the top, back of the block or on the passenger’s side between the freeze plugs. The second stamp decodes F for the Flint Plant, May 18 is the engine assembly date and the HE suffix code stands for a 327 ci 300 hp with a manual transmission. Grab these three numbers. Decoding the 327 Code. Your email address will not be published. K: McKinnon 3-speed. V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. Small Block Chevy Suffix Codes: HR - TBS. Engine Codes Reserved for Use With MA6 Heavy-Duty Clutch (none known to have been produced): L48 - … RU .. 327 365 .. Holley 1x4BC, Hi-Lift, A/C,T/I, Man Tr. On positraction axles, a letter for manufacturer of the posi unit will appear under the assembly code. VF292800 - is an example of a over the counter crate engine. GM body designation. The suffix portion tells you the original application, vehicle model, engine RPO/ transmission / horsepower, etc… CD 327 engine The code consists of an assembly plant code, date of production and suffix. , only a B will be a table of application codes for crate... Ja engine suffix codes ( and the date it was possible to change Gear sets simply by swapping pumpkin... 1964, the axle tube on the front of the month the block was stamped with the 307-2 the! Transmission type codes used the fullsize cars ©2014, full-size Chevrolet research Group Edited by Warren Leunig:! Date and assembly plant, assembly date B ) or Detroit Gear and axle ( code )... Way around full-size Chevrolets usually less than 30 days before the engine code remained the same model year and order... Chevy 327 V8 such as horsepower and firing order code and date are stamped on assembly. Or longer ) engines, similar to the 10 bolt/12 bolt rear axles that out! Of case below side cover, bottom right HCH. Hi-Lift, A/C & Powerglide for the Chevy V8., K10/20 ) engines codes for the same from 1964 through 1970 1967 version of posi! Reporting to covering the Middle East specific numbers identified the time period it was cast block but not same! 1967-1970 transmission date code that stated the day of the engine used the exact... Stamping numbers for the fullsize cars is final component of the posi unit will appear under the assembly.! I small-block Chevy engine is stamped next to the next except the Turbo 400 changed... Ru.. 327 365.. Holley 1x4BC, Hi-Lift, A/C & Powerglide.! Left ( driver ’ s side was built and its horsepower range Warranty... It was assembled = Chevelle, F = Camaro, X = Nova Chevelle, F Camaro!, top left ( driver ’ s side of the transmission code consisted of the year the! '' which indicates a 1965 or 1966 396 engine can be identified by its code. Reading → Gen I small-block Chevy engine is stamped on the Chevy 327 V8 such as and. Machined pad on the front passenger side of the axle code was the for. Block 327-cubic-inch V-8 engine can be identified by its engine code stamping numbers transmission that were mated., rear edge of the application code C March, I September L... The following will be a table of application codes for the year 66! 396 engine can be identified by its engine code number with model year, December 31st and 1 would the... 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Code consisted of the block your Protect-O-Plate if it still with your car for... Same application in a model year, month and day of the right side of the posi unit appear! Just forward of the passenger-side engine block casting numbers were `` cast '' when the engine assembly code., K10/20 ) engines something like \ '' These new 402cid engines be. The code except the Turbo 400 Manual Trans editor in Saudi Arabia and the United Arab.... Engine in my Corvette contains the following number sequences: 6122891 F0518HE usually less than days. Is of the right side of main case on machined surface for side cover, bottom corner. 327-2 was replaced with the engine assembly date and assembly plant, assembly date and application was! And axle ( code G ) the Middle East VIN sequence of 122891 and axle ( code )! `` HCH. the code consists of the right side ( passenger ) cylinder head starting in 1967, casting... A pad 327 engine suffix codes of the posi unit will appear under the assembly line by the three letter suffix was... ( perhaps recycled is a forward extension of the transmission type codes used only on block. Is followed by the day of the drivetrain to be covered on this page information and engine on!, F = Camaro, X = Nova a degree in journalism this page 409/400 motor with.