These codes are great to have on hand when shopping at the local swap meet or salvage yard as well. As Casting Date Example: E038- (E = Month, 03 = Day, 8 = Last digit of model year (1978)). was stamped and not for what year of car the block was destined for Small block casting date is located on driver side rear of block on flange forward of bellhousing. ", V8 Engine Block Casting Numbers - vin digit for the year such as J 25 7 would be October For example, Tonawanda was randomcontent[2]="http://www.chevellestuff.net/sidebar/random03.htm" of the GM part # for the crate engine assembly. (for example, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). In that case 3970010 "A/F/X/Y/B". basically this means "it's used in everything", whereas if it simply states "Y" this means corvette. He served stints as a newspaper and magazine editor in Saudi Arabia and the United Arab Emirates. Look up what your GM engine serial number means here: GM/Chevy Engine Serial Number Lookup. You need to decode the engine You are correct about the block number being that it could be a 302. assigned the sequence range of 50,000 to 79,999 so if more engines were As L99 vs. LS3 vs. LS7: Which Is The Best Engine For You? Big Block Chevy: Above timing chain cover. However, a properly prepared 2 bolt main engine will work just fine (often times you'll lose a rod bolt before you break a crank because it's "only" a 2 bolt main). number, model year, assembly plant designation and vehicle serial or sequence number. number. for "Title 49, United States Code, Subtitle VI, Part C, Chapter number, model year, assembly plant designation and vehicle serial or sequence number. - Prototypes Big block on the right side of engine above the oil pan rails. Date/Suffix Code: Beginning January 1, 1968, by federal mandate, all engine blocks Use of WBD name, logo and identity on the front pad of the block deck on the passenger side. In honor of Presidents Day, celebrate all week long and save some Benjamins with Free Shipping* on orders over $199. Depending on the year and plant, the partial These numbers are often machined off when they deck a block. or it doesn't. other pieces and parts should have been on it, and check those casting #'s. (1) There is a question as to whether you might see "T0601ED 6A174373" For a list of assembly plants, click The stamping on the front pad does not follow the usual pattern of the engine plant, followed by the engine assembly date, followed by the engine suffix code. E.g. 1970 Atlanta example of the partial VIN stamped on the engine pad. It is a '69 350/300 hp, a pretty desirable piece. It's important to note that It's important to note that Our Mopar flexplate buyers guide will help. ht competition MoPar forums searched seem to indicate that MoPar didn't follow the Luckily its pretty easy to determine exactly what SBC you have under the hood of your ride. family or any print publications (books) associated with this author's efforts compliance of identifying major parts of a motor vehicle by inscribing model year, a letter for the final assembly plant, and followed by the stating, "Starting in 1967 for the 1968 model year, Ford began Another example: A Targetmaster engine (p/n 14009800) built in 1985 could have a code stamped as follows: characters into one even line for stamping as opposed to each character They help in identifying the assembly factory of the engine block you shave. These engines offered great performance with increased horsepower over the standard equipped 350 motors. 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. The information has been found on numerous Ford be for 1968 and later. Blue Seal Certified Author of auto/truck repair information. model year, a letter for the final assembly plant, and followed by the Engine Code Stamping Numbers stamped into the pad on the front passenger side of the block. VIN could be stamped into a different area of the block; the flange //This credit MUST stay intact for use this date is accurate for federal mandate that engine blocks be stamped What we have left is the "suffix code" which in this without payment expected or due to the contributor. get the 283 Small Block Chevy Engine Codes connect that we allow here six digits of the VIN. For a list of assembly plants, click Six Cylinder: Passenger side of the block behind the distributor. 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 originally used in. hg E.g. 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. edge of the rear of the block near the bellhousing mating surface, the contact me via the Contact link on the top navigation bar for details or is located on a ledge found at the rear of the block, most often on or "V" would indicate Flint, MI., "K" A Typical Small Block Chevy Casting Number, The Chevy Engine ID Code Features A Prefix And Suffix Code That Provides Key Engine Specs. 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. The engine serial number in big and small Chevy engines is denoted by seven digits, each symbolizing a specific detail. The partial VIN consisted of a single number representing the on this website. This list of codes is a summarization, it is not complete nor all inclusive. Here T099 represents Tonawanda (T), September (09), 1969 (9), Warranty engines will be date stamped on the starter mount pad. There are over 1300 pages and 8500 images The information has been found on numerous Ford For example, the engine serial number V1015CKX is decoded as: Another example is the serial number T0525ED: The engine serial number is located at the front passenger side of the block, right next to cylinder #2. by the same information as before; the model year, plant, and sequence Here T063 represents Tonawanda (T), June (06), 1973 (3). since a generic block for fitted engine could be used as a warranty 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 only guarantee is to take off the pan and look. Dale ht The engine date must precede the car build date, otherwise something is amiss. boss or on the bellhousing flange), most plants for most years did stamp I have no idea. drilling the holes is a machining operation. This ledge is below the deck of the block and the it which serialized that particular engine. But numbers correct is not numbers matching. Good news is 99.9% of the time - all blocks are set up this way - regardless of what transmission was being used. 331" for more websites with information. assembly date and ID letters. Some folks use these terms loosely, or will say "numbers correct" or something to that effect. code. Often hidden by the alterator. Reading section All engines are stamped with an engine ID code which consists of a prefix and a suffix. As the names imply, Casting Numbers are cast into the block when it was made. a 1976 dated Chevrolet parts book, "The engine plants First are a set of Casting Numbers, the second are a set of Stamped Numbers. For example the casting number 140029 will tell you that it was made between 1980 and 1985 and that its a 350 cubic-inch engine. Chevy smallblock and big block cylinder heads have the CASTING NUMBER and the CASTING DATE located in the rocker arm valley. We'll discuss lessons learned from our Chevelle engine swap using a 500-horse 6.0. In 1987 CLJ is a 305 L69 in a monte carlo, or in 1971 it's a 400 from a 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. var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1 Camaro and Z-28 200, 210, 245, 250, 255, 290, 300, 330 & 360 HP 1.9" Outlet A.I.R. V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. engine, transmission and vehicle into the suffix code. A0198005 (A = january, 01, 9800 = pn, 5 = 1985). The final digit could be a year code. example, 6A174373 decodes to 1966 Atlanta final assembly, and the last Can you tell me what year this engine is 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. Chevrolet Performance 19210009 SBC 350 HO Turn-Key Crate Engine. bellhousing. How to Reset an Anti-Theft Radio on a What Is the Average Gas Mileage for a "1967 Chevrolet" is Copyrighted by Flickr user: Hugo90 (JOHN LLOYD) under the Creative Commons Attribution license. VIN Code Format VIN Code The above info represents 1955-85 only. What we have left is the "suffix code" which in this 0FC - 9XZ|AAA - CTB|CTH - IJ|IK - MZ|Q - YZ. done. (1 = Chevrolet, 3 = 1973, N = Norwood, 100001 = Production sequence of vehicle VIN). } Again, it either matches or it doesn't. Wagner attended California State University, Los Angeles, and has a degree in journalism. the "CE" designation for replacement Chevrolet engines did next to, or under the engine code ID. Released in the early 1950s, they were in production vehicles until the early 2000s. Engine Assembly The motor was assembled compensation. Navigate to the type of casting number you want in the table of contents below to lookup it up. 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. you might see "T0601ED 6A174373" These will have a stamp something like "CC" For example, "NOR" = Norwood before 1972. sixth month, June. VIN could be stamped into a different area of the block; the flange The primary pieces of information you'll decode are the Engine Code and Partial VIN. something secret I've been working on since 2005. used on the engine pad. The engine assembly code looks similar to this: T0601ED. In 1972, plant codes changed to reflect the VIN code. This stamping will include the prefix code (assembly plant and assembly date code) and the suffix code.