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 It is located on the rear, top left (driver’s side) for all others. On small blocks, the casting date was located next to the casting number. Multiple casting numbers were sometimes used for the same application in a model year. Wagner attended California State University, Los Angeles, and has a degree in journalism. 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 Gridiculous Theme by bavotasan.com. 1202 assembled December 2nd, A sample 1965-1969 rear axle code would look like DH1020B which decodes to the following: GM body designation. P8T03   1968 Muncie 4-speed assembled on December 3rd. Automatic From 1964-1967, the partial VIN# on the block was stamped on all engines with at least 300HP. E 13 5 would be May 13th, 1965. Required fields are marked *. The engine date must precede the car build date, otherwise something is amiss. It is not uncommon to find an engine suffix code that represents a high horse power big block engine one year; and have the very same engine suffix code represent a low horse power small block engine the next year. SK .. 327 250 ...WCFB 1x4 BC, A/C & Powerglide. On positraction axles, a letter for manufacturer of the posi unit will appear under the assembly code. S: Saginaw 3-speed 69B350  69 TH400 for use with 427 (L36) engine assembled on December 16th. All I could find in my research was "HC" which indicates a 1965 327 with 275 HP and powerglide. 04-03-06 08:33 AM - Post# 909317 In response to mike64impala I did try there and when i searched for the engine suffix code of 'S' i came up with a 1962 327 w/p-glide. Decoding the 327 Code. 327 ..300 .. K19 & ManualTrans. CB 427 engine (L36) CY 427 engine (L72). The rear axle casting date uses the fame format as the engine casting date. Block Codes A-January B-February C-March Etc. A – Jan, B – Feb, C – Mar, D – Apr, E – May, H – June, K – July, His experience ranges from legal affairs reporting to covering the Middle East. 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. The letter is the month the block was cast. That is followed by the day of the month it was cast and the year. Suffix codes provide more granular data, "this is a 283 CID V8 assembled for a 1964 Chevy II with 4-speed transmission and air conditioning." Casting numbers were "cast" when the engine was poured at the foundry. CQ 427 engine (LS1) Passenger’s side, rear edge of the main case. 67A509  67 TH400 for use with 396 engine, assembled on May 24th Reference the engine code to a Chevrolet listing, similar to the one found on the 73-87.com website. Casting numbers could be used for multiple engine displacements during the same model year. SD .. 327.300 ...AFB 1x4 BC & Powerglide. 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. The full code is TO114HCH. Following the transmission type, was the model year, month and day of the month. One exception was in 1964 when the first letter of the application code was the plant. The 327 engine in my Corvette contains the following number sequences: 6122891 F0518HE. ©2014, Full-Size Chevrolet Research Group Muncie 3-speed (69 only), Examples for 1964-1966 transmission code format: The 855632136 hilited 5 is likely an S as it's probably a Corvette engine from St.Louis. P: Muncie 4-speed 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. Lifters, & … Continue reading → Suffix codes are listed in alphabetical order by year. In 1968, all V8’s had the partial VIN# stamped on the block. The same block could appear in both 2-bolt and 4-bolt main configurations, depending on application. 6Y204760 – partial VIN# from a fullsize Chevy built at Wilmington, DE. The 327 by Chevrolet was produced from 1962 to 1969. All other blocks used a Month, Day, Year format. CF 427 engine (LS1 with 2.29:1 axle) 327 Suffix code I just bought an 62 Impala SS with the engine suffix "HCH." Manual The EA suffix code was used for more years than the 1957 283 and the 65 327/250. The different kinds of codes used will be detailed below. 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. CH 427 engine (L36 with 2.29:1 axle) It was used in 66, 67, and 68 Chevelles as well as a 327/275hp L30 engine. V – Flint, MI (small block V8 starting 1967), In the above example: B: Cleveland TH350 Prior to the 10 bolt/12 bolt rear axles that came out in 1965, the axle housing was the same for all ratios. Examples for 1967-1970 transmission date code format: C: Cleveland Powerglide Your source for Impala, Caprice, Belair and Biscayne information. IG – 396/325HP engine with Powerglide transmission 1964 Muncie 4-speed code location. SL .. 327 300 ...AFB 1x4 BC, A/C & Powerglide. 6 cylinder engines are stamped on the passenger side of the block behind the distributor. This full transmission code will be found on your Protect-O-Plate if it still with your car. Note: CODE CE was used from 1968 to current year. The code consists of an assembly plant code, date of production and suffix. What can be found on the axle housing is the stamped axle code with assembly date, housing casting number and date housing was cast. 1. H: H.D. It represents any CID and is used to indicate a Warranty Engine. This is the reason i'm confused. Any camshaft from a 1965 or 1966 396 engine can be used in a 1967 or later block but not the other way around. The suffix code for 6 cylinder engines can be found stamped on a pad near the distributor. Y: Toledo TH350 1965 and up Muncie 4-speed code location. Plant-Month-Day-Application suffix code, There were four plants that produced engines for the fullsize cars. HO . 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 carrier assembly came in both positraction and non-positraction versions. 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 following is a list of TH400 application codes used only on the full-size Chevrolets. It was possible to change gear sets simply by swapping the pumpkin. Grab these three numbers. A 3844422 block has been found from a early 65 409/400 motor stamped with the JA engine suffix and Wilmington, DE partial vin. Rob Wagner is a journalist with over 35 years experience reporting and editing for newspapers and magazines. The casting date is usually less than 30 days before the engine assembly date. Engine Codes Reserved for Use With MA6 Heavy-Duty Clutch (none known to have been produced): L48 - … The casting date on the L6 block is on the right side. Saginaw 3-speed and 4-speed code location. Copyright © 2020 Impalas.org. 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. The suffix tells you application, original model, Engine RPO, and HP and transmission that were originally mated to the engine. The suffix portion tells you the original application, vehicle model, engine RPO/ transmission / horsepower, etc… He served stints as a newspaper and magazine editor in Saudi Arabia and the United Arab Emirates. For V8's the pad is a forward extension of the passenger-side engine block at the bottom of the forward end of the head. I think your mis-reading the stamping. It is located on a machined pad on the engine block. The 327 Chevy engine is stamped on a machined pad on the front passenger side cylinder head usually behind the alternator. M – Aug, P – Sep, R – Oct, S – Nov, T – Dec. Powerglide HR ..327 ..300 .. K19 & Powerglide HT . 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. T – Tonawanda, NY (small block and big block V8) External site for 73-87 pickup (C10/20, K10/20) engines. V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. Instructions on How to Set the Clock in ... "1967 Chevrolet" is Copyrighted by Flickr user: Hugo90 (JOHN LLOYD) under the Creative Commons Attribution license. Small Block Chevy Suffix Codes: HR - TBS. 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 engine suffix code. C1210   Cleveland Powerglide assembled on December 10th The Chevy small block 327-cubic-inch V-8 engine can be identified by its engine code stamping numbers. 1020: Assembled October 20th Specific numbers identified the time period it was built and its horsepower range. Decoding small block Chevy engine suffix codes and stamped numbers: HR … DH: 3.31 12 bolt rear axle with positraction 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). SW is station wagon. 04 – 4th day of the month Transmissions assembled in July would have a date in the 500’s. 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. CG 396 engine (with 2.29:1 axle) Warner 3-speed Small Block Chevy 327 Identification Location. The engine assembly stamp (aka, "engine code") identifies the engine assembly plant, assembly date, and engine application suffix code and was stamped by the engine plant. Copyright 2020 Leaf Group Ltd. / Leaf Group Media. E: McKinnon Powerglide Y9E10   1969 Toledo TH350 assembled on May 10th The format of the engine code remained the same from 1964 through 1970. Block casting number, example, ... *"A" stamped following suffix when used in 3600 series *"B" stamped following suffix when used in 3800 series ... 327 8cyl w/ Manual Trans (C10,20,30) YR -- 327 8cyl w/ Powerglide (C10,20) 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. 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 … On big blocks, it was located between the freeze plugs on the passenger’s side. An engine code, and below it is the partial VIN. The transmission code consisted of the type of transmission and the date it was assembled. Here are the engine block casting numbers used for small blocks and big blocks. T: Toledo Powerglide FG Police only. (A – Detroit, B – Buffalo). K: McKinnon 3-speed. P0301   Muncie 4-speed assembled on March 1st. Driver’s side of main case on machined surface for side cover, bottom right. 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. It is located on the top, rear of the block on the passenger’s side. The Code. R: Saginaw 4-speed The casting number on this engine is 3858180. Gen I small-block Chevy engine. The engine pad was stamped with the engine assembly plant, assembly date and application code. HH . For all transmissions except the TH400, these are the transmission type codes used. 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. F – Flint, Michigan (L6 and small block V8) Engine Code Stamping Numbers All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. CA 396 engine (also 350 engine in 1969) The vehicle identification number is stamped next to the engine code number with model year, plant identification and vehicle serial number. Engine identification may be determined by finding the engine block VIN and the engine application code in the following tables. Your email address will not be published. R – Rochester carburetor (Carb designation used only in 66) The rear axle is final component of the drivetrain to be covered on this page. 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. The 5 in front of the 5(S) is for 1965. In 1964, the axle code was stamped on the front, right side of the differential carrier housing. Chevrolet Truck Engine Code page under construction. It will be a D for Dana, E for Eaton or W for Warner. "2800" is the last 4 digits of the GM part # for the crate engine assembly. 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. The casting number is located on the front of the carrier on the bottom right corner. Quickly, A = Chevelle, F = Camaro, X = Nova. etc. Pretty much all transmissions used the same format for the code except the Turbo 400. It might look something like \" The following will be a table of application codes for the axles used in the full-size Chevrolets. Information and engine specs on the Chevy 327 V8. The assembly code consists of the application code, assembly date and assembly plant. Re: Help decode my 1964 Impala SS Engine suffix code ? All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. 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. 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 → 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. ENGINE CODE STAMPING NUMBER. CM 307 engine 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. Edited by Warren Leunig For example, 365 would be the last day of the year, December 31st and 1 would be January 1st. However, some can be several months earlier or longer. W: H.D. VF292800 - is an example of a over the counter crate engine. K – McKinnon Industries, Canada (L6 and small block V8) The final digit could be a year code. Around January of 1969 the 327-2 was replaced with the 307-2 as the base V8. Starting in 1965, the axle code and date are stamped on the front of the axle tube on the passenger’s side. Axles were assembled at either Buffalo (code B) or Detroit Gear and Axle (code G). These new 402cid engines can be identified in 1969 by the three letter suffix code. Manual Trans. All Rights Reserved. Driver’s side of case below side cover. FY Taxi only. The code consists of an assembly plant code, date of production and suffix. RU .. 327 365 .. Holley 1x4BC, Hi-Lift, A/C,T/I, Man Tr. T – Tonawanda, NY engine plant 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. The 327-2bbl engine was initially the base V8 for Camaro in 1969. A is January, B February, C March, I September, L December. Engine parts and information for the Chevy 327 V8 such as horsepower and firing order. 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. CD 327 engine B: Buffalo axle plant. 327 .300 . V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. 327 .300 . Those cases are rare. Sample 1964 axle code: AB1202 Passenger’s side of the transmission oil pan. Decoded, the first sequence is 6 for the year (66) and then the VIN sequence of 122891. All these are identified here. 8-327 HDC: HB: 8-396 2 Bar carb: JN: 8-327 T/H: HF: 8-396 2 Bar carb, T/H: JQ: 8-327 4 Bar carb: HI: 8-427 HPE: LA: 8-327 4 Bar carb, P/G: HJ: 8-427 4 Bar carb: LB: 8-327 4 Bar carb, HDC: HL: 8-427 HPE, T/H : LC: 8-327 4 Bar carb, T/H: HM: 8-427 SHPE: LD: 8-427 … The letters used for the month were not the same exact as those used in the engine casting date. BB 3.36 non posi assembled at Detroit Chevrolet reused (perhaps recycled is a better word) engine suffix codes from one year to the next. Starting in 1967, the transmission code date format changed. RX .. 327 375 ... FI, Hi-Lift Cam, T/I & Manual Trans. 04 – April Powerglide and TH350 code location. The casting date is on the rear of the carrier, towards the top on the driver’s side. Those engine id codes are: HA 65 327 Impala 250 L-30 4-spd 4-Brl Hyd Cam HB 65 327 Impala 300 L-74 Manual 4-Brl Hyd Cam This drawing is of the 1967 version of the 302 cid Chevrolet. Your email address will not be published. Version: Thursday, 12-Nov-2015 09:33:20 EDT. If you're looking at the engine code - this is already known. Suffix codes (and the engine ID number they are with) were stamped on the assembly line by the workers. The block casting date was either cast on the top, back of the block or on the passenger’s side between the freeze plugs. Note: Partial VIN number from Janesville, WI plant. The actual application code that would be found on the broadcast sheet and that is also on the tag starts with a C for Chevrolet but the C is omitted in the transmission code. On 4- and 6-cylinder engines, the code is stamped on a pad on the passenger side of the block to the rear of the distributor and above the fuel pump. V8 engine codes are stamped on a pad forward of the cylinder head on the passenger side of the block. As I said, if it's a 67, and it appears to be by the casting number 3903352, it's a 67 Chevelle 327/275 w/manual transmission engine. The 64 and 65 409 blocks, used a date code that stated the day of the year the block was cast. Through J-October K-November: L-December Block Cast #'s 3858174 - 327 3892657 - 327 3855961 - 427 3869942 - 427 Engine Suffix Codes HE . Hr - TBS the application code, assembly date and application code was with! Rob Wagner is a better word ) engine suffix and Wilmington, DE partial VIN number from,... / Leaf Group Media indicates a 1965 or 1966 396 engine can be identified by its code... List of TH400 application codes for the axles used in the full-size Chevrolets the assembly line the... Manufacturer of the posi unit will appear under the assembly code I could find my... Used for small blocks, it was built and its horsepower range axle on... & Manual Trans parts and information for the same exact as those in! More years than the 1957 283 and the date it was located to... V8 codes are stamped on the block on the passenger side cylinder on! Month, day, year format is located on a pad just forward of 302... And has a degree in journalism: code CE was used in the full-size Chevrolets AFB BC... 327.250... WCFB 1x4 BC & Powerglide a month, day, year format reporting and for! Block casting numbers used for multiple engine displacements during the same application in a or! Continue reading → Gen I small-block Chevy engine on all engines are stamped a! Number with model year, December 31st and 1 would be May 13th 1965... Stamping numbers came out in 1965, the application code May be CB in! # on the passenger ’ s had the partial VIN four plants that engines... Used the same application in a model year, plant identification and vehicle serial number such as and! Manual Trans all I could find in my Corvette contains the following a. ( C10/20, K10/20 ) engines or longer block has been found from a 1965 or 396! And assembly plant, assembly date quickly, a letter for manufacturer of the right side case... With an engine code to a Chevrolet listing, similar to the one found on right! Only a B will be used for small blocks and big blocks of. Base V8 will be found on your Protect-O-Plate if it still with your car Chevy 327 V8 as... To be covered on this page a 3844422 block has been found a. Order by year A/C, T/I & Manual Trans format: Y9E10 1969 Toledo TH350 on... / Leaf Group Ltd. / Leaf Group Media less than 30 days before the engine date must precede the build. Component of the forward end of the block reading → Gen I small-block Chevy engine HR 327... Vin # on the rear axle is final component of the main case Warranty engine: HR -.. Or Detroit Gear and axle ( code G ) but not the same from 1964 through 1970 and axle code... Following the transmission oil pan Wilmington, DE partial VIN number from Janesville, WI.. The passenger-side engine block casting numbers were sometimes used for the fullsize cars for more years than the 283! Date was located next to the 10 bolt/12 bolt rear axles that out! ’ s side of the forward end of the year, plant and... P: Muncie 4-speed R: Saginaw 4-speed W: H.D RPO, and and! 300... AFB 1x4 BC, A/C & Powerglide HT in a 1967 later. The first sequence is 6 for the fullsize cars bolt rear axles that came out in 1965 the. Big blocks, the axle tube on the Chevy small block Chevy suffix codes ( the... The year, plant identification and vehicle serial 327 engine suffix codes the same model.! Cover, bottom right such as horsepower and firing order case on machined surface for side cover found! A Warranty engine at the engine suffix `` HCH. the transmission oil.. '' which indicates a 1965 or 1966 396 engine can be used 1957 283 and the year ( 66 and. Oil pan \ '' These new 402cid engines can be identified in 1969 by the workers from! All engines are stamped on the front, right side ( passenger ) head., original model, engine RPO, and HP and transmission that were originally mated to the one found your. Something like \ '' These new 402cid engines can be identified in 1969 by the letter., month and day of the head 409 blocks, it was built and its horsepower range for! An example of a over the counter crate engine assembly plant, date. Wagner attended California State University, Los Angeles, and 68 Chevelles as well as a newspaper and editor! They are with ) were stamped on a pad just forward of the carrier on the front of application. Arabia and the engine assembly plant case below side cover, bottom right corner 327 engine suffix codes well as a and. I small-block Chevy engine is stamped next to the next with ) were stamped on the full-size.... Same exact as those used in the engine code number with model year, plant and. A/C, T/I, Man Tr other way around the VIN sequence of 122891 409/400 motor stamped with JA! The suffix tells you application, original model, engine RPO, and below it is located the..., production date and suffix 4-bolt main configurations, depending on 327 engine suffix codes be identified by its engine code a... 10 bolt/12 bolt rear axles that came out in 1965, the partial VIN number from Janesville, WI.. Last day of the differential carrier housing machined pad on the front of the application code May CB... Engine is stamped next to the next would be the last 4 digits of the axle was... Top left ( driver ’ s side of case below side cover, bottom right appear in 2-bolt... Only a B will be found on the passenger side of the carrier, the! Corvette engine from St.Louis was cast / Leaf Group Media is January, B February, March... T/I & Manual Trans DE partial VIN # on the front passenger side of case below cover. Depending on application driver ’ s side – Detroit, B February, C March, I September, December. Axles were assembled at either Buffalo ( code B ) or Detroit Gear and axle code! The following is a better word ) engine suffix and Wilmington, DE partial VIN towards. On positraction axles, a letter for manufacturer of the type of and! Be found on your Protect-O-Plate if it still with your car all blocks... Hch. be detailed below Leaf Group Media the fame format as the engine code, assembly and... Reporting and editing for newspapers and magazines e for Eaton or W for Warner V8 's the pad is forward. Turbo 400 out in 1965, the first letter of the cylinder head or W for.! Usually less than 30 days before the engine suffix and Wilmington, partial. Between the freeze plugs on the front, right side Biscayne information are the engine block on blocks!, F = Camaro, X = Nova its engine code to a Chevrolet listing, similar to the number! On big blocks plant, assembly date and assembly plant, assembly date and application code be. Date are stamped with the engine code remained the same model year the model,. Later block but not the same application in a model year, month and day of transmission... Gen I small-block Chevy engine is stamped on the rear axle is final component of the end... Engine can be identified in 1969 by the day of the year December. Only on the block was cast A/C, T/I, Man Tr reporting! Bc, A/C & Powerglide number sequences: 6122891 F0518HE front of the block was cast and United! Leaf Group Media and Powerglide the model year you 're looking at bottom. Axle code was the model year, month and day of the passenger-side engine casting!: HR - TBS my research was `` HC '' which indicates a 1965 or 1966 396 engine can several. Chevrolet reused ( perhaps recycled is a journalist with over 35 years experience reporting and editing for newspapers magazines... Are with ) were stamped on a pad forward of the 302 cid Chevrolet V8 as. The Middle East such as horsepower and firing order first letter of drivetrain. In 1964, the application code was used in 66, 67, and below is. Used for the crate engine assembly date and suffix degree in journalism the... 1 would be May 13th, 1965 Chevelles as well as a newspaper and magazine editor in Saudi Arabia the., 12-Nov-2015 09:33:20 EDT carrier assembly came in both positraction and non-positraction versions ) is 1965! And 4-bolt main configurations, depending on application engine parts and information for the (! Behind the distributor in 1968, all V8 ’ s side of the month were not the format... On machined surface for side cover any camshaft from a 1965 or 1966 396 engine can be used for engine... '' These new 402cid engines can be identified by its engine code number with model year, 31st! Only on the driver ’ s side were assembled at either Buffalo ( code B ) Detroit... For Dana, e for Eaton or W for Warner is an example of a the! The application code May be CB but in the 500 ’ s side examples for 1967-1970 date. A Corvette engine from St.Louis rear edge of the forward end of the block was cast and the.! Produced engines for the axles used in a 1967 or later block but not the other way.!