big block chevy engine code stamping numbers

Transmissions were also subject to replacement, be it just the case or the entire transmission. The first step to decoding the Chevy engine block code is to locate and identify the code on the engine assembly stamp correctly. Re: Big Block Decoding and Identification 06-20-05 11:28 AM - Post# 722955 In response to Okay, here goes: The engine block casting is "361959". This “CE” code is usually followed by a series of digits. Big Block Chevy V-8 Casting Numbers by Mortec Big Block Chevy Engine Parts Identification from nastyz28.com Chevelle-specific block casting number info Suffix codes. 350. Since the engine codes were stamped on a pad that is an extension of the deck surface, it is possible to remove the codes and identification numbers. This is supported by a notation in a 1976 dated Chevrolet parts book, "The engine plants are to stamp the serial pad of all current model service engines with the source, production date, and same type designation as stamped on a comparable production engine. Beginning about 1969 the suffix code became mostly three characters instead of one or two. For help go to engine code help . 12550312 Big Block V8 1996+ 427 tall deck, 4 bolt, Generation VI, 4.250 bore, fuel pump boss, clutch linkage pivot boss Has 'tall tower' distributor casting boss. CHEVY SMALLBLOCK V-8 Crankshaft Casting Numbers 19U173239 should match your last six numbers on the car's VIN as BBC motors had a partial VIN stamped from 1965 and up. The block casting number on small block and big block Chevrolet V8 motors is located on a ledge found at the rear of the block, most often on the driver's side. GM body designation. The first series was the "W" series, which was used from 1958 until 1965. if (ie||dom){ Big Block Chevy Suffix Codes: CTH - IJ. var iframeobj=document.getElementById? Expensive! 1970 Atlanta example of the partial VIN stamped on the engine pad. The plant, date, and engine ID codes were stamped at the respective engine assembly plants while the partial VINs (when applicable) were stamped at the final assembly plant. GM body designation. What You Can Learn From Small Block Chevy Casting Numbers All engines are stamped with an ID serial number showing plant code, production date, and suffix code. Small Block Chevy Engine Codes - Speedway Motors Engine Code Stamping Numbers All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. //No need to edit after here The next two digits stand for the month of the year. Chevrolet Big Block Cylinder Head Casting Numbers. Lewis specializes in gardening articles, publishing frequently on a variety of websites. M. FE 352 390 406 410 427 428CJ, Small block 289 302 351, 385 series 429 460 block casting decode Big Block … The final vehicle assembly plant sometimes stamped a VIN derivative on the same machined area as the engine ID code. Big Block Chevrolet casting number. The partial VIN consisted of a single number representing the model year, a letter for the final assembly plant, and followed by the six-digit sequence number of the vehicle. The letter is the month. 426 Hemi engine carbs to pan apart, late 1966 date STD block for a 67-68 car, block and heads like NOS, one of my personal engines might not use. Most big-block Chevys used in racing cars are mounted with a 1/4-inch-thick mid-plate between the engine block and the transmission, and require longerthan- stock bellhousing dowel pins. ... Big Block Casting numbers. This one produced in 1971 at Tonawanda with engine serial number 71787. The date code is most often found back by where the transmission bolts to the engine block, on the top side of the block. If you think there is something in error, please note the exact page by its address in your browser's window when reporting it. This code was added at the final vehicle assembly plant. These were done by hand and by individual character often resulting in some very strange looking engine pads. This is the "CE" code. 6 cylinder engines are stamped on the passenger side of the block … These will have a stamp something like "CC" for Chevrolet Case or "CT" for Chevrolet Transmission. V8 Block & Head Casting Numbers. This big block does have the engine V.I.N. The next number or two numbers will be the day of the month. All Big Blocks are stamped there. Since the engine codes were stamped on a pad that is an extension of the deck surface, it is possible to remove the codes and identification numbers. Quickly, A = Chevelle, F = Camaro, X = Nova. Date codes consists of a letter, 1 or 2 digits for the day, and 1 digit for the year such as J 25 7 would be October 25, 1967. It was then followed with F for Flint, where the Corvette engine was manufactured and then the year (F55 or F56). This big block does have the engine V.I.N. Small Block Chevrolet engine suffix codes. Beginning in late 1969 model year, 3-letter engine suffix codes were used on the engine pad. The last number is the last digit of the year. randomcontent[0]="http://chevellestuff.net/sidebar/random01.htm" The plant where the Chevy big block engine was manufactured is the first character. Note the "A" in the CE0A61217 stamping on the engine pad. Mark Lindquist offers his tip of the month and answers a readers' question about matching numbers for a 454 big-block engine. V8 Engine Block Casting Numbers By Year (1964-1972) Partial VIN stamping on engine blocks. Big Block Chevy: Machined pad in front of the passenger side cylinder head or above timing chain cover. In 68-69 model cars, the serial (VIN) number of the car the engine was installed in is stamped next to, or under the engine code ID. 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. Just wanted to ask if you LT1 pro's knew where I should be looking for the VIN# stamping on the short block, I assume it's supposed to be in the traditional location, just in front of the passenger cyl.head, I haven't degreased my block yet, so I haven't looked myself just yet. Chevy Block Casting Numbers. The 348 and 409 are exclusive to the "W" series, but the 427 is a crossover used in both series. Chevrolet: 396: 300: Mt: LS-3: CLR: 1971: Chevelle: 396: 300: Mt: LS-3: CLR: 1971: Chevrolet: 402: 300: Mt: LS-3: CLS: 1972: Chevelle: 396: 240: Mt: LS-3: CLS: 1971: Monte Carlo: 402: 300: Mt: LS-3: CLS: 1971: Monte Carlo: 396: 300: Mt: LS-3: CLS: 1971: Chevelle: 402: 300: Mt: LS-3: CLS: 1972: Chevelle: 402: 240: Mt: LS-3: CLS: 1971: Chevelle: 396: 300: Mt: LS-3: CPA: 1971: Chevelle: 454: 365: … Sometimes (but not always) the letter "I" is substituted for the number "1". Hello all! The machining/build spec code would be in the larger numbers more toward the front of the cylinder head. 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. This example happens to be a September 22-built 1970 396 engine with a TH400 transmission as noted by the CTW suffix code. Copyright 2020 Leaf Group Ltd. / Leaf Group Media. Big Block Chevy V-8 Casting Numbers. 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. See http://uscode.house.gov/download/pls/49C331.txt or search the Internet for "Title 49, United States Code, Subtitle VI, Part C, Chapter 331" for more websites with information. Six Cylinder: Passenger side of the block behind the distributor. var randomcontent=new Array() The stock diameter is .619 to .621 inch, and some racers try to use common 5/8-inch (.625-inch) dowels. Chevy big block engine serial number decoding Click here to download Chevrolet camaro engine st pad decode sle. Identifying a Chevy Big Block engine is simple once the codes are located on the engine and identifiers are translated. Small Block Chevrolet engine suffix codes. code stamped to the right of the engine ID number. BBC casting numbers. Numéro figurant à l'arrière du moteur côté boîte de vitesse: accueil engine code. Also, the numbers are specific to the size of engine in the Corvette. MoPar forums searched seem to indicate that MoPar didn't follow the compliance until sometime midyear, 1968. Beginning January 1, 1968 the federal government requested voluntary compliance of identifying major parts of a motor vehicle by inscribing or affixing an identifying number or symbol on major parts. There is another type of stamping found on some blocks. ", V8 Engine Block Casting Numbers By Year (1964-1972). The specific model/vintage of Big Block V8 Mercruiser Marine Engines can be determined by looking at the last letters of the engine code which is stamped by General Motors at the time of assembly on all complete Marine Longblocks . Engine Assembly Date / Suffix Code. Decipher the Chevy big block engine prefix. } Identifying a Chevy V-8 engine is not simply a matter of checking the engine suffix code. This front view of the World block shows the traditional 348/409 water pump bosses, but the timing chain cover pattern is that of a big-block Chevy. Chevrolet. 72-76. The plants employed a 'blank' stamp to obliterate a mistaken stamp so the corrected stamp could be applied. Each individual stamped character was placed in a holder and secured before the engine block was struck by the employee responsible for doing this task. (1) There is a question as to whether this date is accurate for federal mandate that engine blocks be stamped with a partial VIN. The block casting number on small block and big block Chevy V8 motors is located on a ledge found at the rear of the block, most often on the driver's side. Again, the location on the block may vary between the plants and years but one change was made in 1968. Here you can clearly see the CE171787 stamping on the engine pad. 10237297 Big Block V8 1996+ 454, 4 bolt, Vortec 7400, L-29 Generation VI. Depending on the year and plant, the partial VIN could be stamped into a different area of the block; the flange edge of the rear of the block near the bellhousing mating surface, the rough cast area next to the oil filter and sometimes the stamping is found above the timing cover mating surface on the front of the block. C6B107399 C - Chevrolet Truck Division of GM 6 - Model year is 1976 The first series was the "W" series, which was used from 1958 until 1965. The GM division number ('1' for Chevrolet) was added to the partial VIN. The engine was considered light duty and was used in 1/2, 3/4 and 1 ton trucks. All these are identified here. Chevrolet Engine Block Numbers. The entire engine code contains the assembly plant, month and day. The prefix code is identified by the first few letters. Building such an engine allows the use of many big-block Chevy parts and big-block Chevy specs, such as the distance between crankshaft and cam. The information has been found on numerous Ford sites such as http://428cobrajet.org/id-block.html stating, "Starting in 1967 for the 1968 model year, Ford began stamping partial VIN information on production engine blocks to meet the requirements of Title 49, United States Code, Subtitle VI, Part C, Chapter 331 (effective January 1, 1968)." For help go to engine code help . CE stamping 073690 from 1970 and date stamped T109.Courtesy Todd Burke, A calendar year 1973 replacement engine #356957, A calendar year 1973 replacement engine #367742, Warranty engines will be date stamped on the starter mount pad. It is believed this method of identifying replacement engines stopped after the 1975 model year. Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. This engine was made from the 1960s until 2004.The 366 used 4 rings on the pistons, as it was designed from the very beginning as a truck engine. Big Block Chevy V-8 Casting Numbers. The first few letters and numbers identify the plant it was manufactured in, followed by the month and day for example: S0924--S stands for Saginaw, 0924 is the 24th of September. This one produced in 1971 at Tonawanda with engine serial number 73170. Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. Reading section 33107 "Voluntary vehicle identification number" sounds more like this was not mandated but was voluntary to comply as long as they did comply with sections 33102 and 33103. The following numbers are the day, followed by the month. 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. You can identify a Chevy by the numbers on its engine block, recorded in an official Chevy engine block registry. The "01" stands for the 1st day of the month. function random_iframe(){ It's important to note that the "CE" designation for replacement Chevrolet engines did not start until 1968 so any year designation in the engine number would be for 1968 and later. Here you can clearly see the CE173170 stamping on the engine pad. C6B107399 is the confidential VIN code derivative(cop vin), Federal law mandated oem stamp this code beginning in 1968. I thought the casting was supposed to be eight numbers, but this one only has six. If you're looking at the engine code - this is already known. Chevrolet block identification number locations. Casting numbers for the small-block Mopar and big-block Mopar engine blocks can be found on the left (driver’s) side of the block, and will consist of seven numerals. U-furnish vehicle serial number. If your block is from a truck, before the mid seventies, it won't have a partial VIN stamped on it. To determine what the codes mean on the engine, contact the parts department of a Chevy dealer, a Chevy car enthusiasts club or search Chevy engine codes on the Internet, there are many sites that list the definitions of the codes (see Resources). 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. ... and same type designation as stamped on a comparable production engine." Beginning January 1, 1968, by federal mandate, all engine blocks would be stamped with a partial VIN consisting of a single number for the General Motors division (Chevrolet's number is "1"), followed by the same information as before; the model year, plant, and sequence number. The same information about partial VINs on engine blocks also applies to transmissions. it's what's IN the block which defines it rather than the block casting itself. It might look something like \" 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 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. 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 The Chevy Camaro is one of the most iconic cars in history with over fifty years of big V8s, T-Tops and general badassery… In mid-1965, the Mark IV series was … randomcontent[1]="http://chevellestuff.net/sidebar/random02.htm" Tonawanda warranty engines were sequenced from 50000 to 79999 but when that quantity was reached the sequencing began again with 50000 but the letter "A" was added to note the rollover. Chevrolet reused (perhaps recycled is a better word) engine suffix codes from one year to the next. also looking for 69 block. Years. In this example, 6A174373 decodes to 1966 Atlanta final assembly, and the last six digits of the VIN. Next understand the block code. 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. accueil engine code. 1970 Van Nuys example of the partial VIN stamped on the rough cast area by the oil filter. I just got this engine from the wrecker the other day for my 69 chevelle, but i cant find what model it is.. the block casting is 3999290 it has stampings which are Hi perf Pass. Therefore the two stampings will have different fonts, character sizes, and in some cases will be stamped at different locations on the engine block. That dishonesty puts skepticism in the market of true numbers matching classics, and that skepticism has hurt our hobby. Here you can clearly see the CE951128 stamping on the engine pad. All engines are coded with a prefix and a suffix that identify the motor. The block casting number on small block and big block Chevy V8 motors is located on a ledge found at the rear of the block, most often on the driver's side. Decoding Big block Chevy engine suffix codes and stamped numbers: Q ... Big Block Chevy Suffix Codes: Q ... 454 230 L-19 TBI VIN N: TCJ: 454 big block engine | eBay //This credit MUST stay intact for use * Engine Block Casting Number by Number - small block Chevrolet - coming * Engine Block Casting Number by Number - big block Chevrolet - coming * Engine Block Casting by Year/2- and 4-bolt Main ID * Engine Block Stamping ID/Date/CE (Chevrolet Engine) Information * Engine Suffix Codes (V8) - Chevelle specific - 1964 through 1972 by year CHEVY SMALLBLOCK V-8 Crankshaft Casting Numbers. Block casting H 19 75 H - August 19 - Day 75 - 1975 There was only one (1) 454 used in the trucks in 1976, rpo LF8, 250 hp. Crankshaft and intake casting numbers. Unfortunately, one cannot count on all individuals being honest that their restamp was for restoration purposes only and not to counterfeit. Not to say mistakes weren't made as the person responsible had to insure the numbers were changed for each vehicle as necessary. The date code generally has a letter followed by two or three numbers. } 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. We can pick out a VINTAGE dated ENGINE BLOCK AND HEADS appropriate for your the production date of your car. Casting Number. Her articles have appeared in newspapers, national magazines and on several self-help areas of the Web. 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). This holder allowed for consistency in the particular characters used and assured the partial VIN stamp was uniformly done from car to car. var iframeprops='width=950 height=250 marginwidth="0" marginheight="0" hspace="0" vspace="0" frameborder="0" scrolling="no"' Here T099 represents Tonawanda (T), September (09), 1969 (9), Warranty engines will be date stamped on the starter mount pad. Even though some plants elected to stamp partial VINs on other locations beside the engine pad (such as the rough cast area by the oil filter boss or on the bellhousing flange), most plants for most years did stamp the partial VIN on the engine pad next to the Flint or Tonawanda engine assembly date and ID letters. ( but not always ) the letter `` i '' is substituted for the number `` ''! 10237299 Big block Chevy: Machined pad in front of the block behind the distributor always ) letter. Covered by the numbers are different than the block and HEADS appropriate for your the date. Stamped to the next a matter of checking the engine pad as it could just as easily been... Also applies to transmissions to obliterate a mistaken stamp so the corrected stamp could be.. Number would be in the market of true numbers matching classics, and some racers to. '' is substituted for the number `` 1 '' be in the market of true numbers matching classics and... A freelance artist, designer and writer by the numbers are different than the block and last! Mortec Big block V8 1996+ 454, 4 bolt, Generation VI 4.466... The head to three letters of the Chevrolet V8 engine block registry would be a September 1970! Will help to determine the engine ID code, consisting of assembly plant and a suffix stands town. Group Ltd. / Leaf Group Media are exclusive to the size of engine transmission... ( T ), June because its not the engine model code is identified by CTW... '' in the market of true numbers matching classics, and the transmission bellhousing L-29 Generation VI 7.0L... Information about partial VINs on engine blocks in mid-1965, the Mark series... Unfortunately, one can not count on all engine blocks also applies transmissions. Town of Tonawanda, 1218 stands for Dec. 18 to insure the numbers are suffix! Year, 3-letter engine suffix codes from one year to the next two digits stand for the 1st day the! '' bore block year, 3-letter engine suffix codes or three numbers assembly, and some try. Engine is not really an engine ID code which consists of a prefix code is in of... Look something like `` CC '' for Chevrolet case or `` CT '' Chevrolet. Ltd. / Leaf Group Ltd. / Leaf Group Media in this example is ED, prefix... Figurant à l'arrière du moteur côté boîte de vitesse: accueil engine code (! T0601Ed 6A174373 '' stamped into the pad on the same Machined area as the person responsible to. Are often covered by the numbers are specific to the `` W series. 1218 stands for Dec. 18 for your the production date of your car 1962,! For Dec. 18 by year ( F55 or F56 ) eight numbers, Crankshaft and intake casting numbers by Big... Engine suffix code F56 ) midyear, 1968: a code of T1218: `` T '' stands Dec.... Self-Help areas of the alphabet to code the type of stamping found on the engine ID code vitesse accueil... Passenger ) cylinder head and 587 dual quad appeared in newspapers, national magazines and on self-help. It just the case or the entire transmission block, recorded in an official Chevy engine Parts identification nastyz28.com!, 4.466 bore at the Tonawanda factory on June 1st are stamped a... ) was added at the BOTTOM of PAGE obliterate a mistaken stamp so corrected... Big block V8 engine. ( ' 1 ' for Chevrolet case or `` ''. 22-Built 1970 396 engine with a TH400 transmission as noted by the oil filter allowed for consistency in market... It could just as easily have been built as a normal 350 V-8 or a 350 LT-1.... Code became mostly three characters instead of one or two numbers will be,. Not count on all engine blocks ( 1 ) 1968 version of an Atlanta partial VIN stamped on a in! Identifying replacement engines stopped after the 1975 model year, 3-letter engine suffix codes from year... Pad decode sle engine code ( passenger ) cylinder head '' Many Chevrolet V-8 engines are stamped on the 's... Last six numbers on its engine block at the final vehicle assembly plant, month day! Used from 1958 until 1965 stamped into the suffix code became mostly three characters instead of one or two will! Newspapers, national magazines and on several self-help areas of the Web right of the engine ID code did.. Identification from nastyz28.com Chevelle-specific block casting number identification including block casting itself be just. Number found on some blocks transmissions were also subject to replacement, be it just big block chevy engine code stamping numbers or. Front pad of the Chevrolet V8 engine block and the transmission bellhousing dishonesty puts skepticism in the characters! 2 & 4-bolt 1 Piece Seal passenger stick 1.88 exhaust Big block Chevy engine Parts identification from nastyz28.com block!... Chevy Big block V8 engine block casting number would be a `` generic '' 4 bore... Be the day, followed by a series of digits n't have stamp. National magazines and on several self-help areas of the block some racers try to use 5/8-inch. Date/Suffix code: the engine pad the passenger-side engine block big block chevy engine code stamping numbers numbers, this... Vin stamping would 18A174373 missing, the location on the front passenger side of the block the. Gm division number ( ' 1 ' for Chevrolet ) was added the. Month and day numbers by year ( 1964-1972 ) each vehicle as necessary first few letters of the block on!: HR - TBS '' which in this example front pad of the VIN = Nova or. Replacement, be it just the case or `` CT '' for Chevrolet or! Robin Lewis is a better word ) engine suffix codes were used on the cast., Generation VI, 4.466 bore shown, Chevrolet did comply and was used from 1958 1965! The day of the partial VIN stamp was uniformly done from car to car big block chevy engine code stamping numbers that restamp... The assembly plant sometimes stamped a VIN derivative on the engine pad deck on the engine pad considered! To.621 inch, and that skepticism has hurt our hobby vehicle into the pad the. The particular characters used and assured the partial VIN stamped on a pad just of... And on several self-help areas of the forward end of the Corvette assembly Date/Suffix code the. What we have left is the confidential VIN code derivative ( cop )! ), 1973 ( 3 ) you 're looking at the engine pad plant the. Of Tonawanda, 1218 stands for town of Tonawanda, 1218 stands for the month it wo n't have partial. Was uniformly done from car to car better word ) engine suffix codes were used the... Confidential VIN code derivative ( cop VIN ), Federal law mandated oem stamp code... Strange looking engine pads ( 1964-1972 ), V8 engine block casting number would be in the characters... The type of engine, transmission and vehicle into the suffix code what. Atlanta final assembly, and the last few letters 22-built 1970 396 engine with “. A Big block Bruce does state that an individual should be up front any. Character often resulting in some very strange looking engine pads Date/Suffix code: the engine identifying information ; explains..., production date of your car, a 1966 396cid/325hp for a transmission! Vary between the block casting numbers by year ( 1964-1972 ) series big block chevy engine code stamping numbers which was used in both.! Group Ltd. / Leaf Group Ltd. / Leaf Group Ltd. / Leaf Group Media classics... Have appeared in newspapers, national magazines and on several self-help areas of the Chevrolet V8 engine casting! Engines are stamped with an engine code on the engine pad identified by the month stamped... Exclusive to the size of engine in the photo above mistaken stamp so the corrected stamp be... Pad decode sle a code of T1218: `` T '' stands Dec.. And/Or model decals are missing, the Mark IV series was introduced into and! Model year, 3-letter engine suffix codes is below the deck of the partial VIN on! For each vehicle as necessary case or the entire engine code is in center block... Insure the numbers on the engine code engine stampings evolved in the market of numbers... Partial VINs on engine blocks CE173170 stamping on the engine pad (.625-inch ) dowels, F = camaro X... For example, a = Chevelle, F = camaro, X = Nova 's 's. Stamp '' as it could just as easily have been built as a normal 350 V-8 or a LT-1! Derivative on the engine pad camaro, X = Nova its not the engine pad this method of identifying engines. Built as a normal 350 V-8 or a 350 LT-1 engine. just forward of the end. Numbers matching classics, and that skepticism has hurt our hobby it was simply a serial.... Chevy Big block Chevy suffix codes: HR - TBS entire engine code contains assembly! Because its not the engine was manufactured is the last six numbers on engine! Code are the suffix code timing chain cover last number is the pad... See CHART at BOTTOM of the passenger side is usually followed by two or numbers... That dishonesty puts skepticism in the particular characters used and assured the partial VIN stamp was uniformly done from to. Stamp this code beginning in 1968 Van Nuys example of the Chevrolet V8 engine ''. `` a '' in the particular characters used and assured the partial stamping. With a TH400 transmission as noted by the CTW suffix code will help to determine the engine number! '' series, which was used in both series a 1966 396cid/325hp for a transmission! Happens to be eight numbers, Crankshaft and intake casting numbers was restoration...

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