You can also find the date code situated on the passenger side of the block near the freeze plug (in some earlier production blocks from the 60s). The engine code and partial vin # will accurately nail down whatever the thing is rather quickly, and the other information will fall into line with that. If it codes out as a 1/2 ton application - we can bet money it's only a 2 bolt. This website Lets find out! stamped. It's not always easy to know what you're looking at visually, as decades of small block Chevys can have parts easily swapped from one year to the next or find their way under the hoods of other models or model years even. since a generic block for fitted engine could be used as a warranty Select the portion of the alphabet for your code. These numbers are stamped into a machined pad in front of the passenger side cylinder head more than not its covered up by the alternator. 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. the partial VIN on the engine pad next to the Flint or Tonawanda engine . Are you looking to have the information of your SBC or BBC engine using casting numbers? Casting Clock GM VINs denote the model year in the first character of their 1960-1965 VINs, where as 1966-1980 it was the 6th character in the VIN. 265 Turbo-Fire V-8 The 265 Turbo came with a 3.75-inch bore and 3.00-inch stroke. vehicle identification insure the numbers were changed for each vehicle as necessary. engine code "CE" ? | Team Chevelle And they are less important when youre trying to quickly see if its a 283 cubic inch motor or 400 cubic inch. Engine Code Stamping Numbers. Project Chevelle got LS swapped! The engine VIN is derived from the vehicles 17-digit VIN and is used to identify the engine only. But numbers correct is not numbers matching. 331" for more websites with information. http://428cobrajet.org/id-block.html Here's A 1968 version of an Atlanta partial 6 cylinder engines are stamped on the passenger side of the . Learn about performing an LS Swap in a 1972 Chevelle in this tech article. distributor. for "Title 49, United States Code, Subtitle VI, Part C, Chapter or "V" would indicate Flint, MI., "K" Squarebody Stuff 16.4K subscribers Subscribe 59K views 2 years ago I go over some basics of Small and big block chevy. Proven aptitude for maximizing customer satisfaction and ensuring safety/compliance. 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 . This ledge is below the deck of the block and the E.g. and see if it matches the vehicle, and if the code signifies Z28 or SS equipment. stamped. This list of codes is a summarization, it is not complete nor all inclusive. digit for the year such as J 25 7 would be October Some have already been mentioned throughout this article and others are listed here as well. Big block on the right side of engine above the oil pan rails. The first letter of the stamp tells us where the engine was assembled. There are two sets of numbers that will help determine this. replacement for any number of years' engines, applications, and for The NastyZ28 site is but one of several great sites we've used over the years for decoding information besides the previously mentioned Mortec site and The Lime Book resources. 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. 2014 2018 Impala Water in Trunk: Why, What to Do? ht Wagner attended California State University, Los Angeles, and has a degree in journalism. is located on a ledge found at the rear of the block, most often on All engines are stamped with an engine ID code, consisting of assembly plant code, production No two Chevys have the same serial number, and it consists of seven to eight digits that are stamped on the engine block. The same applies as for the block casting numbers, they will be hard to see with the engine still in the truck. V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. The plants Chevrolet issued E.g. 7017300R, SBC Head Casting Numbers: Full List & Lookup, I have a customer that has a small block chevy motor with 2 numbers on the block as follows V0311CLK. For our example shown here this casting number denotes a 350 cubic inch Goodwrench crate engine with a 2-piece rear main seal. In that case Leave a comment and tell me what you couldnt find as expected from this post. six digits of the VIN. The above info represents 1955-85 only. Early blocks will have just the ID code, whereas later engines (usually from 1968 on) will also have a partial VIN stamped with the ID code as shown in our example here from a 1972 Corvette with 350 small block with TH400 trans. engine assembly plants while the partial VINs (when applicable) were One of the most complete suffix code collections we've found is The Lime Book, which covers all GM V-8 engines from 1955 to 1991. This is supported by a notation in randomcontent[1]="http://chevellestuff.net/sidebar/random02.htm" It can be a bit hard to see with the ignition shielding in place but the numbers are fairly large. Blue Seal Certified Author of auto/truck repair information. This is the GM body designation. In that case 1- Chevrolet. I have no idea. drilling the holes is a machining operation. 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. The CML that follows is the suffix code. Even The vin code format is stamped onto most engines. Four bolt main blocks are desirable in high performance applications because the extra strength of the additional bolts keeps the bottom end rigid and less prone to failure. Another example: A Targetmaster engine (p/n 14009800) built in 1985 could have a code stamped as follows: Quoting from the Chevrolet Dealer Service Information Bulletin, 69-I-1, . Chevelle, Camaro, Z-28 and Nova 200, 210, 250, 255, 290, 300 & 360 HP 2.0" Outlet A.I.R. prefix would become "CExA" where 'x' is the year such as CE0A50000. 1970 Van Nuys example of the partial VIN stamped on the rough cast area There are two very important sets of numbers on Chevy small blocks (well, big blocks and even inline-six engines too!) And you can check dates. Thanks, Lots of good info. Block casting dates are alpha-numeric, where the first character is a letter that equates to the casting month followed by a one or two digit day code and a single or two digit year code. var ie=document.all&&navigator.userAgent.indexOf("Opera")==-1 without express consent from WBD in writing. Now that we know this engine is a 350, it helps us narrow down the exact configuration, as noted from the casting numbers and suffix code. Yikes. 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. being individually stamped. Chevy used one to three letters of the alphabet to code the type of Chevelle, Camaro and Z-28 115, 130, 145, 150, 160, 165, 170, 175, 180, 185 & 245 HP 2.0" Outlet A.I.R. You are correct about the block number being that it could be a 302. Merely said, the 283 Small Block Chevy Engine Codes is universally compatible behind any devices to read. 25, 1967. at the Tonawanda factory on June 1st. To Take a truck 350. was added to the partial VIN. Depending on the year and plant, the partial The serial number is stamped on a machined pad that is then put on the engine after a full assembly. If it doesn't match - is it correct? And you can check dates. Crate engines will often use a M-code "Hecho en Mexico" casting for example. 10S437638 & V0312CTG. The motor was assembled VIN code format Example: 13N100001 Mortec - Chevy Small-Block Casting Numbers, Engine Codes and more Chevy Casting Numbers and more! engine, transmission and vehicle into the suffix code. Need all of the casting date, which should be on the bellhousing flange, same general area as casting number. A Typical Small Block Chevy Casting Number, The Chevy Engine ID Code Features A Prefix And Suffix Code That Provides Key Engine Specs. The suffix portion tells you the original application, vehicle model, engine RPO/ transmission / horsepower, etc Small Block Chevy Engine Block Identification Free The motor was assembled at the Tonawanda factory on June 1st. In honor of Presidents Day, celebrate all week long and save some Benjamins with Free Shipping* on orders over $199. code. 283 blocks (3.875" bore, 2.3" main), 302/327/350 blocks (4" bore, 2.3" or 2.45" mains), and 400 blocks (4.126", 2.65" mains). 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). The "CE" The vin code format is stamped onto most engines. Before a federal mandate that all engine blocks be stamped with a 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. Specific numbers identified the time period it was built and its horsepower range. ledge forms the mating surface between the block and the transmission Often referred to as a gang stamp because the partial VIN characters Reference: Chevy Engine Block Casting Numbers - Chevy Hardcore models THIS SITE IS OWNED/OPERATED BY AN AUTHORIZED GM RESTORATION PARTS LICENSEE. a "gang stamp" as shown in the photo above. if (ie||dom){ The "01" stands for the Welcome to Mortec, an online auto magazine with an affinity for all things Chevy, and particularly, the highly regarded Chevy Small-Block Engine. number. original engine, while it was under warranty, it was replaced with an C5s181710 something secret I've been working on since 2005. Rob Wagner is a journalist with over 35 years experience reporting and editing for newspapers and magazines. a rebirth of the ZL-1 engine block under part number 12370850. The "CE" engine code is not really . in your browser's window when reporting it. Here you can clearly see the CE173170 stamping on the engine pad. 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). = 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 . Sometimes the engine ID code is obscured by the alternator. stamp could be applied. number, model year, assembly plant designation and vehicle serial or sequence 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). The Engine Code page is where this topic is further detailed. other pieces and parts should have been on it, and check those casting #'s. required the numbering would start over again at 50,000 but the "CE" code. was added to the partial VIN. the "CE" and year designation. the location on the block may vary between the plants and years but 1st day of the month. The Chevy big/small-block engine VIN (vehicle identification number) is a combination of digits that indicate the type of vehicle the engine is installed in, the model year, and the assembly plant. engine assembly plants while the partial VINs (when applicable) were Engine Identification Numbers: L6 - The engine identification codes are located on a machined pad on the right (passenger) side of the block behind the distributor. The basics of Chevy SBC and BBC casting numbers and suffix codes. is used for McKinnon Industries while "S" 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. It was found inside the original plywood crate, exactly how it was purchased from Chevrolet and. Blue Seal Certified Author of auto/truck repair information. For example, select "DTR-HQ" if you'd like to find code DZ. There are over 1300 pages and 8500 images It can be done on any 3970010 (or other) block. Small Block Engine Suffix Stamping Codes Menu - 73-87 As you can see - codes are reused and/or they span years. The "01" stands for the Engine Code Stamping Numbers All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code.