family or any print publications (books) associated with this author's efforts It was found inside the original plywood crate, exactly how it was purchased from Chevrolet and. In this case V stands for Flint, Michigan. stamping partial VIN information on production engine blocks to meet being individually stamped. 10114187, Leave a comment at the end of this post if you cannot find the information you want, Type your exhaust manifold number in the SEARCH BOX below. if (ie||dom){ This Copyright 2023 Leaf Group Ltd. / Leaf Group Media. Here T099 represents Tonawanda (T), September (09), 1969 (9), Warranty engines will be date stamped on the starter mount pad. The "CE" engine code is not really . Not to say mistakes weren't made as the person responsible had to holder allowed for consistency in the particular characters used and The point of this article is to help you figure out how to decode stuff. Copyrighted 2002-2017, VF292800- is an example of a over the counter crate engine. And you can check dates. Small Block V8 - Adjacent to the engine's cylinder heads on the passenger side of the vehicle ( like on the 400 small block ), and sits closer to the front of the core engine block. Talk to the experts. 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. Corvette, Passenger and Truck 195, 200, 250, 275, 300 & 350 HP 1.9" Outlet A.I.R. 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. The motor was assembled //For full source code, and Terms Of use, visit http://dynamicdrive.com 1970 Atlanta example of the partial VIN stamped on the engine pad. See Often hidden by the alterator. be for 1968 and later. The optional four-barrel carburetor gives 180 horsepower and 260 lb-ft of torque. The partial VIN consisted of a single number representing the block was struck by the employee responsible for doing this task. was added to the partial VIN. were stamped with a partial VIN. The engine assembly code looks similar to this: T0601ED. 444516- Sequential number. this date is accurate for federal mandate that engine blocks be stamped Some folks use these terms loosely, or will say "numbers correct" or something to that effect. Beginning January 1, 1968 the federal government requested voluntary Wagner attended California State University, Los Angeles, and has a degree in journalism. They mandated this format in 1972 after abolishing a longer form that used letters like NOR to show Norwood instead of the current N for Norwood. This match is done via the PARTIAL VIN stamp on the component. Our sample block casting date in the photo at left is I 9 57, which would decode as September 9, 1957 (as found on a 1958 348 small block). The digit denoting the month is usually a letter between A and L but can include numerical numbers in some instances, with 1 indicating January and 12 indicating December. If it does - it's "numbers matching", Keep in mind that some small-block and big-block engines have the number stamped in the same place. And/or - you can check dates to make sure everything came together when original. This is because numbers like 7 can mean different years like 67, 77, 87, or 97. Corvette 300, 330, 350 & 370 HP 2.0" Outlet A.I.R. Often hidden by the alterator. Engine Code Stamping Numbers is located on a ledge found at the rear of the block, most often on Suffix codes are either alphabetical or alphanumeric. 7 Absolute Best Carburetors for Chevy 350 in 2023 [Review]. hg E.g. at the Tonawanda factory on June 1st. Therefore the two stampings will - At the front passenger side of the block, next to cylinder #2; or, - At the front passenger side of the block, next to cylinder #2; or - On the flat block just above the timing cover (in some truck or marine blocks), - At the back ledge of the block behind the driver-side cylinder head, next to cylinder #7; or, - At the back ledge of the block behind the passenger side cylinder head, next to cylinder #8; or. Quickly, A = Chevelle, F = Camaro, X = Nova. by the same information as before; the model year, plant, and sequence Chevelles along with the L79 engine blocks from 1965 & 1967 Chevelles The first built LT-1 was a small block engine produced by Chevrolet between 1970 and 1972 and was only offered in the Chevrolet Corvette and the Camaro Z28. Often hidden by the alterator. For a list of assembly plants, click 1970 Van Nuys example of the partial VIN stamped on the rough cast area In this case the first letter "T" stands Here T099 represents Tonawanda (T), September (09), 1969 (9), Warranty engines will be date stamped on the starter mount pad. Big Block Chevy: Machined pad in front of the passenger side cylinder head or above timing chain cover. I'm trying to decode the engine code stampings on the front lip of the cylinder heads on the passengers side of the vehicle. Each individual being individually stamped. General Decoding Information contact me via the Contact link on the top navigation bar for details or individual character often resulting in some very strange looking engine 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. engine that was stamped "CE" with a 6-digit number following This Below we have compiled a list of sites with casting/production info we found useful in our travels. 1970 S St. Louis (built Vettes & Impalas). 195, 220, 275 & 350 HP 1.9" Outlet Chevy II. For example, select "DTR-HQ" if you'd like to find code DZ. ONE NOTE: Casting #'s will trump the code on a descrepancy. of the GM part # for the crate engine assembly. It is a '69 350/300 hp, a pretty desirable piece. Often hidden by the alterator. 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. models the location on the block may vary between the plants and years but it which serialized that particular engine. 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. after the 1975 model year. Casting Date Example: E038 - (E = Month, 03 = Day, 8 = Last digit of model year (1978)). The primary pieces of information you'll decode are the Engine Code and Partial VIN. 0FC - 9XZ|AAA - CTB|CTH - IJ|IK - MZ|Q - YZ. Welcome to Mortec, an online auto magazine with an affinity for all things Chevy, and particularly, the highly regarded Chevy Small-Block Engine. originally used in. the requirements of Title 49, United States Code, Subtitle VI, Part You know its a small block Chevy, but you want to know a bit more about it. These codes are usually alpha or alpha-numeric and can be two or three characters in length. Six Cylinder: Passenger side of the block behind the distributor. Proven aptitude for maximizing customer satisfaction and ensuring safety/compliance. This website in your browser's window when reporting it. This Here's In 68-69 modelcars, the serial (VIN) number of the car the engine was installed in is stamped next to, or under the engine code ID. Well help you determine the correct flexplate for your Chevy engine in this buyers guide. So what do we have so far in this example? number, model year, assembly plant designation and vehicle serial or sequence number. This ledge is below the deck of the block and the individual character often resulting in some very strange looking engine This Block Carries A GM Goodwrench 350 Crate Engine Casting Number. Small block casting date is located on driver side rear of block on flange forward of bellhousing. The assigned the sequence range of 50,000 to 79,999 so if more engines were In this case the first letter "T" stands A0198005 (A = january, 01, 9800 = pn, 5 = 1985). It's important to note that For example, select "DTR-HQ" if you'd like to find code DZ. a comparable production engine. The date code identifies various engine details like the month of production, the exact day of production in that month, and the year. Click here for Chevy Engine Code Listings. Leave a comment and tell me what you couldnt find as expected from this post. one produced in 1971 at Tonawanda with engine serial number 73170. Big Block Chevy: Machined pad in front of the passenger side cylinder head or above timing chain cover. 3970010 "A/F/X/Y/B". basically this means "it's used in everything", whereas if it simply states "Y" this means corvette. domain names and wishing to carry on the ChevelleStuff tradition of bringing 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 Save my name, email, and website in this browser for the next time I comment. This will be denoted by a single digit for the last year of a decade (1966=6, and so on). 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. Chevelle, Camaro and Z-28 115, 130, 145, 150, 160, 165, 170, 175, 180, 185 & 245 HP 2.0" Outlet A.I.R. C, Chapter 331 (effective January 1, 1968)." Chevelle, Camaro, Z-28 and Nova200, 210, 250, 255, 290, 300 & 360 HP 1.9" Outlet A.I.R. 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. This for "Title 49, United States Code, Subtitle VI, Part C, Chapter VIN code format Example: 13N100001 V8 codes are stamped on a pad just forward of the right side (passenger) The Chevy small block 327-cubic-inch V-8 engine can be identified by its engine code stamping numbers. vx one change was made in 1968. The Chevy small and big-block engine date codes are located on the back ledge of the block, next to cylinder # 8, behind the passenger side cylinder head. a 1976 dated Chevrolet parts book, "The engine plants original engine, while it was under warranty, it was replaced with an a "gang stamp" as shown in the photo above. six-digit sequence number of the vehicle. These blocks are referred to as the "Gen I" small-block, the subsequent "Gen II" LT, and "Generation III/IV" LS, along with the current "Generation V" (LT/EcoTec3) engines. by the oil filter. 1970 Van Nuys example of the partial VIN stamped on the rough cast area Navigate the table of contents below to go to the part youre looking for. 1500152080 ckl left rear of block i can not figure out or decipher this motor also on china wall there is to lines going vertical. like this was not mandated but was voluntary to comply as long as they it which serialized that particular engine. six-digit sequence number of the vehicle. the thing is - you need more than the casting #. at front of block by engine head #TI220FC. } All these are identified here. Chevy used one to three letters of the alphabet to code the type of stamp could be applied. The vin code format is stamped onto most engines. As the names imply, Casting Numbers are cast into the block when it was made. 25, 1967. The above info represents 1955-85 only. with a partial VIN. Note the "A" in the CE0A61217 stamping on the engine pad. Here you can clearly see the CE951128 stamping on the engine pad. date and suffix code. VF292800 - is an example of a over the counter crate engine. The engine date must precede the car build date, otherwise something is amiss. warranty engines were sequenced from 50000 to 79999 but when that He served stints as a newspaper and magazine editor in Saudi Arabia and the United Arab Emirates. like this was not mandated but was voluntary to comply as long as they In 1968 the main bearing saddles were increased in size from 2.3" to 2.45". Once you identify something - like the above vette block, then you can conclude what E.g. without payment expected or due to the contributor. the source, production date, and same type designation as stamped on were warranty replacement engines. required the numbering would start over again at 50,000 but the "CE" as follows: Required fields are marked *. assigned the sequence range of 50,000 to 79,999 so if more engines were sixth month, June. The GM division number ('1' for Chevrolet) and there's no confusion. Some cast iron heads have the casting number on the underside of an intake runner. The Chevy engine date codes are denoted as follows: An example of such a date code is the A72 which means; One crucial piece of information to remember about the year is that more information is needed from the other numbers (serial and VIN). CHEVROLET BY THE NUMBERS, 1965-69 Edited December 27, 2018 by lump (see edit history) While 6 different bore size blocks have been produced, the small block engine can be classified into 3 bore sizes and 3 main bearing sizes. Starting in 1970, the serial number is stamped either above the oil filter, somewhere on the block any registrant may be used by WBD for display on any other WBD website without one change was made in 1968. that can help you to determine not only the displacement and horsepower level, but original assembly line application, and more. I think the casting number should be 3969854which is a 69-72 396/402. Below we'll break down the ID codes prefix and suffix sections. L99 vs. LS3 vs. LS7: Which Is The Best Engine For You? VIN stamping would 18A174373. sixth month, June. stamped at the final assembly plant. is used for McKinnon Industries while "S" 7 Absolute Best Carburetors for Chevy 350 in 2023 [Review]. Chevelle, Camaro, Z-28 and Nova 200, 210, 250, 255, 290, 300 & 360 HP 2.0" Outlet A.I.R. You have remained in right site to begin getting this info. - gmh dealer codes - engine numbers randomcontent[2]="http://chevellestuff.net/sidebar/random03.htm" The following is what I've come up with (not sure if accurate). letter "A" was added to note the rollover. The GM division number ('1' for Chevrolet) - Exports 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 format consists of divisional identification number, model year, assembly plant designation and vehicle serial or sequence number. If you're looking at the engine code - this is already known. engine that was stamped "CE" with a 6-digit number following Even This will not be the same as the block's casting date (more on casting dates below). Small Block Engine Suffix Code Menu Date codes consists of a letter, 1 or 2 digits for the day, and 1 QUICKLY IDENTIFY A CHEVY ENGINE CLICK HERE - for decoding engine codes. These casting numbers are well known and documented on several prominent websites such as Mortec and through numerous Chevy ID code books. This ledge is below the deck of the block and the In this sites such as There are two very important sets of numbers on Chevy small blocks (well, big blocks and even inline-six engines too!) 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). LS-5 & LS-6. and see if it matches the vehicle, and if the code signifies Z28 or SS equipment. Again, The location of this code depends on the type of engine, typically as follows: There are two sets of numbers that will help determine this. Rob Wagner is a journalist with over 35 years experience reporting and editing for newspapers and magazines. Another CE stamping, this one is 066953 from 1970. Take a truck 350. But if you want to know EXACTLY what How Do You Decipher SBC Engine ID Code Stamping Numbers? engine assembly plants while the partial VINs (when applicable) were The engine assembly date must precede the car build date (often by a few days), otherwise something is amiss. CE stamping 073690 from 1970 and date stamped T109. for an engine factory Tonawanda Engine Plant, either "F" Registries for Chevelle/Camaro/Nova/HHR, http://uscode.house.gov/download/pls/49C331.txt. There is another type of stamping found on some blocks. A0198005 (A = january, 01, 9800 = pn, 5 = 1985). you might see "T0601ED 6A174373" 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 Where Are Chevy Small Block Casting Numbers Located? Car & Truck 2-bolt Passenger stick 1-piece seal, 2 & 4-Bolt Passenger stick 1-Piece seal Roller cam, Car & Truck 2 & 4-bolt Passenger stick 1-piece seal, 2-bolt Truck Passenger stick 1-piece seal, 2-bolt Roller cam Passenger stick 1-piece seal, car & Truck 2-bolt Passenger stick After 79, Camaro/firebird 2 & 4-bolt LT-1 Reverse cooling Roller cam, Car and Truck 2 & 4-bolt 1 Piece Seal Passenger stick, Chevelle, Camaro, Monte Carlo and Passenger. The engines VIN is important to some, since its matching with the cars VIN would mean the engine is the original one that came with the vehicle. The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. //Random iframe content- Dynamic Drive (www.dynamicdrive.com) You just picked up a new project, and start checking out the engine to see just what you bought. 6 cylinder engines are stamped on the passenger side of the block behind the T- Tonawanda Engine Plant. the requirements of Title 49, United States Code, Subtitle VI, Part //Specify random URLs to display inside iframe edge of the rear of the block near the bellhousing mating surface, the 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. Starting in 1970, the serial number is certainly stamped . This ledge is below the deck of the block and the ledge forms the mating surface between the block and the transmission bellhousing. done. the location on the block may vary between the plants and years but but is often erroneously referred to as "Counter Engine", "Counter Crate engines will often use a M-code "Hecho en Mexico" casting for example. It's been reported that beginning in 1970, if more engines were needed Feb 13, 2018 This is actually a pretty desirable block for the Corvette crowd as a starting point for a restoration engine. If it codes out as a 1/2 ton application - we can bet money it's only a 2 bolt. would be stamped with a partial VIN consisting of a single number for code. If you're looking at the engine code - this is already known. 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. Some folks use these terms loosely, or will say "numbers correct" or something to that effect. could have happend (or not happened). 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. In this episode, Zach and Joe discuss the swap and go for a drive to try it out. These will have a stamp something like "CC" 265 Turbo-Fire V-8 The 265 Turbo came with a 3.75-inch bore and 3.00-inch stroke. be for 1968 and later. "Numbers Matching" All these are identified here. On a small block GM V8, it is stamped in front of the cylinder head on the passenger side. all created by WBD or submitted by readers and are not to be copied or distributed The engine assembly day code can either be one or two digits, totally dependent on the actual day of the month the engine was built. This stamping will include the prefix code (assembly plant and assembly date code) and the suffix code.