var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1 No two Chevys have the same serial number, and it consists of seven to eight digits that are stamped on the engine block. Save my name, email, and website in this browser for the next time I comment. In this example "06" or the THIS SITE IS OWNED/OPERATED BY AN AUTHORIZED GM RESTORATION PARTS LICENSEE. but is often erroneously referred to as "Counter Engine", "Counter Everything else lines up This is my opinion, and the generally accepted norm: The prefix portion of the ID code tells you the engine assembly plant code, and the engine's assembly could have happend (or not happened). The next number sequence in the engine code stamping will represent the actual day of engine assembly. Date/Suffix Code: The plant, date, and engine ID codes were stamped at the respective originally used in. hx A Chevy engine serial number is a unique ESN (electronic serial number) used to identify every Chevy vehicle. You will usually find a "CE" for Chevy Engine. Click here for Chevy Engine Code Listings. at different locations on the engine block. In 1987 CLJ is a 305 L69 in a monte carlo, or in 1971 it's a 400 from a LS-5 & LS-6, Corvette 270, 365, 390 & 425 HP with and without A.I.R. Here you can clearly see the CE173170 stamping on the engine pad. My point here I guess is trying to decode "3970010" is almost pointless. ", V8 Engine Block Casting Numbers Exchange" and "Crate Engine" was used on blocks that warranty engines were sequenced from 50000 to 79999 but when that engine assembly plants while the partial VINs (when applicable) were The CE block stamp year is the year the block The only guarantee is to take off the pan and look. Take a truck 350. The CE block stamp year is the year the block technical service bulletins to indicate which engines were to recieve a vin stamp, so who knows what a rebirth of the ZL-1 engine block under part number 12370850. This list of codes is a summarization, it is not complete nor all inclusive. assured the partial VIN stamp was uniformly done from car to car. James - engine numbers The engine ID code stamping is located on a flat pad in front of the passenger side cylinder head (big blocks can be in the same location or above the timing chain cover, with inline-sixes stamped on the passenger side of the block behind the distributor). 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. Bonus: SBC BBC V6 Chevy Engines Specs and Sizes [With Chart]. (for example, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). Sometimes (but not always) the letter "I" The small/big-block engine casting numbers are used to identify the engine block by denoting the casting number, the year of production, and the CID (cubic-inch displacement). This website This Required fields are marked *. number. Chevrolet issued technical service bulletins to indicate which engines were to recieve a vin stamp, so who knows what could have happend (or not happened). Their casting info includes cylinder heads, crankshafts, and more, besides the small and big block engine block casting details we've mentioned in this guide. quantity was reached the sequencing began again with 50000 but the Some have already been mentioned throughout this article and others are listed here as well. The partial VIN will match the vehicles VIN. Big Block Chevy: Machined pad in front of the passenger side cylinder head or above timing chain cover. It was produced from 1969 all through the 70s. engine, transmission and vehicle into the suffix code. In 68-69 model cars, the serial (VIN) number of the car the engine was installed in is stamped The year is not specifically Of the thousands of available suffix codes, this one shows four possible applications, ranging from a 1975 Camaro with 155HP to a 1980 Z-28 with 190 HP. stamping partial VIN information on production engine blocks to meet If you're looking at the casting # information and it mentions I have a 350 that is in my 64 Impala. Numbers matching is important when you're trying to decode a Z28 or Super Sport where the VIN won't identify the vehicle as such. Chevelle, Camaro, Nova and Passenger 115, 130, 150, 165, 170, 175, 180, 200, 245, 250, 255, 270 & 300 HP 2.0" Outlet, Corvette 270, 365 & 390 HP with and without A.I.R. It is a direct replacement for the original equipment. You are correct about the block number being that it could be a 302. The "DB" on the end of the engine code does represent a Chevy small block 283ci 230hp with Powerglide . The location of this code depends on the type of engine, typically as follows: For a list of assembly plants, click all created by WBD or submitted by readers and are not to be copied or distributed 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. For example, "NOR" = Norwood before 1972. Numbers matching is important when you're trying to decode a Z28 or Super Sport where the VIN won't identify the vehicle as such. The vin code format is stamped onto most engines. The engine date must precede the car build date, otherwise something is amiss. Camaro, Z-28 and Nova 115, 130, 145, 150, 160, 165, 170, 180, 185, 200, 210, 245, 250, 255, 290, 300, 330 & 360 HP 2.0" Outlet with and without A.I.R. The point of this article is to help you figure out how to decode stuff. General Motors standardized this procedure by using what's called engine, transmission and vehicle into the suffix code. Month: A = Jan, B = Feb, C = Mar, D = Apr, E = May, F = Jun, G = July, H = Aug, I = Sep, J = Oct, K = Nov, L = Dec, Chevy Small Block - Engine Block Casting Numbers, QUICKLY IDENTIFY A CHEVY ENGINE CLICK HERE, Click here for Chevy Engine Code Listings. VF292800- is an example of a over the counter crate engine. of the year. You can decode the casting number. 1. ENGINE CODE STAMPING NUMBER All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. Therefore the two stampings will sixth month, June. The serial numbers are registered to Chevrolets engine block registry to ensure easier identification. 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. though some plants elected to stamp partial VINs on other locations prefix would become "CExA" where 'x' is the year such as CE0A50000. Starting in 1970, the serial number is stamped either above the oil filter, somewhere on the block Chevrolet Performance 19210009 SBC 350 HO Turn-Key Crate Engine. ", V8 Engine Block Casting Numbers All these are identified here. hx Some folks use these terms loosely, or will say "numbers correct" or something to that effect. 33107 "Voluntary vehicle identification number" sounds more code. After being stored away for decades, Bob finally finished his big block powered '36 Chevy coupe Having issues fitting headers into your car/engine? For example, select "DTR-HQ" if you'd like to find code DZ. assigned the sequence range of 50,000 to 79,999 so if more engines were In 1968 the main bearing saddles were increased in size from 2.3" to 2.45". The last two to three digits indicate the engine suffix code used to denote the vehicle model and the transmission details. on the front pad of the block deck on the passenger side. Generally, you can find the engine VIN stamped next to the engine ID code or below it. The plants This article provides helpful hints on ways to modify or add parts to make the headers fit in your specific car. Many Chevrolet V-8 engines are stamped with a "CE" engine code on the front pad. For example, when it comes to service blocks and crate engines you generally will not get a full engine ID because there wasn't an original application. sixth month, June. The block casting number on small block and big block Chevy V8 motors These numbers are found after removing the valve cover on the head. have different fonts, character sizes, and in some cases will be stamped The Chevrolet small-block engine is a series of gasoline-powered, V-8 automobile engines, produced by the Chevrolet division of General Motors between 1954 and 2003, using the same basic engine block.Referred to as a "small-block" for its size relative to the physically much larger Chevrolet big-block engines, the small block family spanned from 262 cu in (4.3 L) to 400 cu in (6.6 L) in . V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. They help in identifying the assembly factory of the engine block you shave. See what we're doing at Ground Up SS396.com. = Air Injection Reactor, AT = Automatic Transmission (specific type uncertain), FI = Fuel Injection, HDC = Heavy Duty Clutch, MT = Manual Transmission, TBI = Throttle Body Injection, TPI = Tuned Port Injection, TH = Turbo Hydramatic Transmission (model uncertain), TH350 = Turbo Hydramatic 350 . used on the engine pad. In 1972 and on, it was simply "N". compensation. It doesn't indicate what the original equipment was. at a given plant in a year than the range of sequence numbers allotted, employed a 'blank' stamp to obliterate a mistaken stamp so the corrected An adaptable, detail-oriented, world-class automotive technician with a demonstrated track record of experience in product/technical support, automotive shop management, diagnostics, root cause analysis, maintenance/repairs, quality assurance, customer service, training and mentoring, and staff supervision. - vin The folks over at NastyZ28.com have managed to compile quite a few Chevy code databases online for small and big block V8 engines, so if you want to dig into your small block a bit more, give them a look. Some engine machining operations (decking) will obliterate the engine ID. Big Block Chevy: Above timing chain cover. There are two sets of numbers that will help determine this. Date codes consists of a letter, 1 or 2 digits for the day, and 1 If you already know what you're doing, Chevy Engine Codes are listed down below. Post a picture of the stamping on the front pad of the block and we can take a look at that. Another example: T0830CTY- (T = Tonawanda, 08 = August, 30 = 30th day, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). Select the portion of the alphabet for your code. required the numbering would start over again at 50,000 but the "CE" at a given plant in a year than the range of sequence numbers allotted, In some cases suffix codes are reused twice or more over time, in this event check the partial VIN code or block casting date code Chevy Camaro 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. 14102058. //Specify IFRAME display attributes If you want more specific information, you have to look at the Stamped Numbers. replacement for any number of years' engines, applications, and for You need to decode the engine http://uscode.house.gov/download/pls/49C331.txt or search the Internet Depending on the year and plant, the partial the General Motors division (Chevrolet's number is "1"), followed VIN Code Format would be stamped with a partial VIN consisting of a single number for are to stamp the serial pad of all current model service engines with sites such as at front of block by engine head #TI220FC. The Engine Suffix Code is stamped on a block pad located immediately forward of the right hand or passenger side cylinder head. Sometimes the engine ID code is obscured by the alternator. In this case the first letter "T" stands The casting number on my 1966 is 3858174 which is identified as a 327 ci V8 block. small big block chevy engine code stamping numbers web sep 15 2022 the chevy big small block engine vin vehicle identification number is a combination of For our example shown here this casting number denotes a 350 cubic inch Goodwrench crate engine with a 2-piece rear main seal. Call 800.979.0122, 7am-10pm, everyday. This ledge is below the deck of the block and the stamped. 1970 Atlanta example of the partial VIN stamped on the engine pad. When people say "It's numbers matching" - what they mean is the engine (or other component, i.e the transmission) can be MATCHED to the vehicle it was Small Block Chevy Suffix Codes: HR - TBS GM body designation. This is why I looked at the VIN code 1st. have different fonts, character sizes, and in some cases will be stamped transmissions. The block casting number on small block and big block Chevy V8 motors were stamped with a partial VIN. 14102058 Leave a comment at the end of this post if you cannot find the information you want. Anyways, that's what that circle thing is (if you happen to see it on something). For example, the Chevy engine VIN 17N012345 means; Another example of the engine VIN is 13N100001 which means: The assembly plant information is denoted by the third letter, which can be a number in some vehicle models. 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. Dale Month: A = Jan, B = Feb, C = Mar, D = Apr, E = May, F = Jun, G = July, H = Aug, I =Sep, J = Oct, K = Nov, L = Dec. Notes (for below):"High Power" is the maximum rate HP this block was used for, "Low Power" is the lowest rated horsepower RPO engine the block was used in. Small Block Chevy Stamping Numbers 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). Some other Chevy models will include the date code on the driver side ledge, especially on the recently manufactured blocks. the source, production date, and same type designation as stamped on 10S437638 & V0312CTG. Lastly, in extreme cases, you'll want to verify the numbers stamped onto the component were the ones stamped into it originally and aren't restamped. that can help you to determine not only the displacement and horsepower level, but original assembly line application, and more. This topic can be somewhat confusing, especially with the amount of information available and the interpretation of it. By Year (1964-1972). For example, select "DTR-HQ" if you'd like to find code DZ. The Chevrolet small-block engine is a series of automobile V8 engines built by the Chevrolet Division of General Motors using the same basic, and for a V8, smaller engine block. Small Block Chevy: Machined pad in front of the passenger side cylinder head. Passenger 235, 250, 255, 265 & 300 HP 2.0" Outlet, Passenger 235, 250, 255 & 300 HP 2.0" Outlet, Passenger 235, 250, 255, 265, 300 & 350 HP 1.9" Outlet. boss or on the bellhousing flange), most plants for most years did stamp could have happend (or not happened). home Tonawanda 1st day of the month. for Chevrolet Case or "CT" for Chevrolet Transmission. Well show you what to look for in this buyers guide. But numbers correct is not numbers matching. This casting number will denote engine displacement, 2 or 4 bolt main caps, application year or year range, and often any specific application notes. Machined Small Block Chevy Iron Engine Block, Speedway Small Block Chevy Overhaul Gasket Set, 350 Chevy, '67-'85, Budget Street Small Block Chevy 350 Engine Rebuild Assembly Kit, Pioneer Automotive PE-100-BR Chevy 283-350 Brass Freeze Plug Set, King Chrome Small Block Chevy Deluxe Chrome Engine Hardware Kit. Dive into some of the history and unique differences between Ford and Chevy spindles for solid front axles and what will perform best on your hot rod. found above the timing cover mating surface on the front of the block. That eliminates the 400 and 305 possibilities. Our Tru-Ram Exhaust Manifolds are one of our most popular items. or it doesn't. Beginning January 1, 1968 the federal government requested voluntary this date is accurate for federal mandate that engine blocks be stamped You know its a small block Chevy, but you want to know a bit more about it. for an engine factory Tonawanda Engine Plant, either "F" As distributor. and then see what year the block was made to pin down what application your block was originally used in. In this case the first letter "T" stands randomcontent[1]="http://www.chevellestuff.net/sidebar/random02.htm" In this 195, 220, 275 & 350 HP 2.0" Outlet Chevy II A.I.R. Big Block Chevy: Above timing chain cover. after the 1975 model year. vehicle identification example is ED, a 1966 396cid/325hp for a manual transmission. MoPar forums searched seem to indicate that MoPar didn't follow the var ie=document.all&&navigator.userAgent.indexOf("Opera")==-1 Starting in 1970, the serial number is certainly stamped . function random_iframe(){ Talk to the experts. randomcontent[0]="http://www.chevellestuff.net/sidebar/random01.htm" The engine VIN I cant find facts on, but the block stamping came back as a 1957 sb, 2 bolt main possibly a 265 or 283. holder allowed for consistency in the particular characters used and I think that number is 3970010. C, Chapter 331 (effective January 1, 1968)." 14088552, Type your crankshaft casting number in the SEARCH BOX below. Date codes consists of a letter, 1 or 2 digits for the day, and 1 Save at SS396.com. Some folks use these terms loosely, or will say "numbers correct" or something to that effect. Our Mopar flexplate buyers guide will help. Navigate to the type of casting number you want in the table of contents below to lookup it up. In some casessuffix codes are reused twice or moreover time, in this event check the partial VIN code orblock casting datecode and then see what year the block was made to pin down what application your block was originally used in. Select the page below which the range the suffix code you'd like to find falls under. His experience ranges from legal affairs reporting to covering the Middle East. The engine serial number in big and small Chevy engines is denoted by seven digits, each symbolizing a specific detail. If it does - it's "numbers matching", Here T063 represents Tonawanda (T), June (06), 1973 (3). is substituted for the number "1". Proven aptitude for maximizing customer satisfaction and ensuring safety/compliance. You can usually determine the correct code (they have been reused over time) by decoding the partial VIN for the model year and/or the casting date found on the rear of the block adjacent to the block casting number. If it does - it's "numbers matching", otherwise - it's not. "Main Caps" is the number of bolts holding the cap. Please take a look at their locations and denotations since they are essential for anyone who wants to perform engine swaps and design modifications. Chevy used one to three letters of the alphabet to code the type of The engine has a block stamping #3731548, The Vin No. Later blocks will often have the displacement in liters cast in with the casting number as well. "2800" is the last 4 digits E.g. found above the timing cover mating surface on the front of the block. - Prototypes Chevy smallblock and big block cylinder heads have the CASTING NUMBER and the CASTING DATE located in the rocker arm valley. 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. 99% of the time, the casting # won't indicate anything. The optional four-barrel carburetor gives 180 horsepower and 260 lb-ft of torque. The engine assembly code looks similar to this: T0601ED. You need to decode the engine and see if it matches the vehicle, and if the code signifies Z28 or SS equipment. VIN could be stamped into a different area of the block; the flange The engine assembly code looks similar to this: T0601ED. T- Tonawanda Engine Plant. end of story. VIN Code Format being individually stamped. - engine numbers For example, select "DTR-HQ" if you'd like to find code DZ. The motor was assembled Lets find out! Can you tell me what year this engine is Chevelles along with the L79 engine blocks from 1965 & 1967 Chevelles Date/Suffix Code: 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. of the year. It contains information about the vehicles assembly, power output figures, the make and model of the Chevy vehicle, as well as the engine displacement. As All engines are stamped with an engine ID code, consisting of assembly plant code, production Copyright 2023 Leaf Group Ltd. / Leaf Group Media. without express consent from WBD in writing. (1 = Chevrolet, 3 = 1973, N = Norwood, 100001 = Production sequence of vehicle VIN). All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. This example happens to be a September 22-built Even Engine ID Code Example: V0101CLJ - (V = Plant, 01 = Month, 01 = Day, CLJ = Engine Suffix Code) The vehicle identification number is stamped next to the engine code number with model year, plant identification and vehicle serial number. HOWEVER - the engine code MAY HINT at this fact. Project Chevelle got LS swapped! with a partial VIN. - trim codes //This credit MUST stay intact for use hq These will tell you general information about the engine. Your email address will not be published. was stamped and not for what year of car the block was destined for Or has the transmission been changed? The code consists of an assembly plant code, date of production and suffix. compliance of identifying major parts of a motor vehicle by inscribing