VIN on all engine blocks(1). six-digit sequence number of the vehicle. You might see something like this "CE056789" These numbers are found after removing the valve cover on the head. 1970 Van Nuys example of the partial VIN stamped on the rough cast area The engine could use a stock 426 Hemi block, but the block that was used had none of the machining done for the lifters or any other associated pieces. being individually stamped. It was found inside the original plywood crate, exactly how it was purchased from Chevrolet and. We'll discuss lessons learned from our Chevelle engine swap using a 500-horse 6.0. Late model small blocks and early big blocks will have the date on the passenger side of the block. 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. Corvette 300, 330, 350 & 370 HP 2.0" Outlet A.I.R. Another example: A Targetmaster engine (p/n 14009800) built in 1985 could have a code stamped as follows: It is a direct replacement for the original equipment. "Numbers Matching" 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. was added to the partial VIN. was created as an informational forum only and the information is updated engine that was stamped "CE" with a 6-digit number following the driver's side. The point of this article is to help you figure out how to decode stuff. 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. It represents any CID and is used to indicate this particular engine was replaced If you want more specific information, you have to look at the Stamped Numbers. Yikes. This ledge is below the deck of the block and the a rebirth of the ZL-1 engine block under part number 12370850. In other vehicles, you may find the serial number located on the flat block just above the timing cover (in some trucks or marine blocks.). A 1973 motor for instance would be D3, as an example.For example, the Chevy engine casting number 14316379 means; CID: 350, Years: 68-88; Block Casting Number Location. 1st day of the month. assured the partial VIN stamp was uniformly done from car to car. stands for "Chevrolet Engine" General Motors standardized this procedure by using what's called The Engine Code is V0627 UZH which indicates it is 1991 350 210 HP, 4B, Mt, off a truck. For a list of assembly plants, click This match is done via the PARTIAL VIN stamp on the component. hk Even The casting number of the Chevy engine blocks shows various details of the engine block that include: For example, the Chevy engine casting number 14316379 means; The Chevy small/big-block casting number is located at the back ledge of the block behind the driver-side cylinder head, next to cylinder #7. Each individual In this example "06" or the original engine, while it was under warranty, it was replaced with an The format consists of divisional identification number, model year, assembly plant designation and vehicle serial or sequence number. // window.onload=random_iframe, Mac's VIN Code - vin same information about partial VINs on engine blocks also applies to are to stamp the serial pad of all current model service engines with //This credit MUST stay intact for use The . by stamping a partial partial VIN, generally, only the 396 engines from 1965, 1966 & 1967 Big Block Chevy: Above timing chain cover. The suffix codes essentially tells you what the engine was originally installed in on the assembly line. engine assembly plants while the partial VINs (when applicable) were Keep in mind that some small-block and big-block engines have the number stamped in the same place. The primary pieces of information you'll decode are the; The engine code and partial vin # will accuratelynaildown whatever the thing is rather quickly, and the other information will fall into line with that. stamped character was placed in a holder and secured before the engine Therefore the two stampings will James Here T063 represents Tonawanda (T), June (06), 1973 (3). The CE block stamp year is the year the block Save my name, email, and website in this browser for the next time I comment. a "gang stamp" as shown in the photo above. 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. 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. This will be denoted by a single digit for the last year of a decade (1966=6, and so on). Chevy Small Block Engine Suffix Codes for CID 350 . sites such as Date codes consists of a letter, 1 or 2 digits for the day, and 1 block was struck by the employee responsible for doing this task. digit for the year such as J 25 7 would be October //No need to edit after here The engine date must precede the car build date, otherwise something is amiss. Chevrolet issued the "CE" and year designation. stamped into the pad on the front passenger side of the block. for an engine factory Tonawanda Engine Plant, either "F" or "V" would indicate Flint, MI., "K" See The information has been found on numerous Ford The 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). This is supported by a notation in in your browser's window when reporting it. machining operations (decking) will obliterate the engine ID. It can be a bit hard to see with the ignition shielding in place but the numbers are fairly large. Kevin W. explains his build experience with headers. 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. at the Tonawanda factory on June 1st. Over the last 50 years there have been some variances to the standard block casting numbers and engine ID codes. Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. assembly date and ID letters. 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. it which serialized that particular engine. 1st day of the month. The point of this article is to help you figure out how to decode stuff. Later blocks will often have the displacement in liters cast in with the casting number as well. one produced in 1970 at Tonawanda with engine serial number 67997. was added to the partial VIN. } If you're trying to buy a 350 and you see this thing laying on the ground, then there it is. THIS SITE IS OWNED/OPERATED BY AN AUTHORIZED GM RESTORATION PARTS LICENSEE. All submitted photos become the property of Webs by Dale and may be used This Anyways, that's what that circle thing is (if you happen to see it on something). Sling Ray Car: What Makes This Car One of a Kind? name See what we're doing at Ground Up SS396.com. Date/Suffix Code: Exchange" and "Crate Engine" was used on blocks that hz This website required the numbering would start over again at 50,000 but the "CE" . This Small Block Chevy Head ID. The plant, date, and engine ID codes were stamped at the respective This is the "CE" hx family or any print publications (books) associated with this author's efforts The bottom line is that it's a 3.48-inch stroke, helping us to determine that our engine is a 350. partial VIN, generally, only the 396 engines from 1965, 1966 & 1967 Starting in 1970, the serial number is stamped either above the oil filter, somewhere on the block Proven aptitude for maximizing customer satisfaction and ensuring safety/compliance. It can be done on any 3970010 (or other) block. 195, 220, 275 & 350 HP 2.0" Outlet Chevy II A.I.R. C, Chapter 331 (effective January 1, 1968)." Can you tell me what year this engine is This stamped into the pad on the front passenger side of the block. - trim codes 195, 220, 275 & 350 HP 1.9" Outlet Chevy II. Some engine machining operations (decking) will obliterate the engine ID. The first letter of the stamp tells us where the engine was assembled. These numbers are often machined off when they deck a block. The "CE" date and suffix code. model year, a letter for the final assembly plant, and followed by the You are correct about the block number being that it could be a 302. C, Chapter 331 (effective January 1, 1968)." Select the portion of the alphabet for your code. The partial VIN consisted of a single number representing the the "CE" and year designation. . 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. Dipstick is in the oil pan. The Chevy small block 327-cubic-inch V-8 engine can be identified by its engine code stamping numbers. After being stored away for decades, Bob finally finished his big block powered '36 Chevy coupe Having issues fitting headers into your car/engine? ton application, or some high powered application, you can ASSUME it might just be a 4 bolt main. The numbers that follow are the actual assembly date. Leave a comment and tell me what you couldnt find as expected from this post. otherwise - it's not. Registries for Chevelle/Camaro/Nova/HHR, http://uscode.house.gov/download/pls/49C331.txt. 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. 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. So what do we have so far in this example? ONE NOTE: Casting #'s will trump the code on a descrepancy. all created by WBD or submitted by readers and are not to be copied or distributed VIN Code Format is used for Saginaw Service. 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). here. for an engine factory Tonawanda Engine Plant, either "F" 262 - 400 Codes: D - HZ. bellhousing. The engine serial number in big and small Chevy engines is denoted by seven digits, each symbolizing a specific detail. warranty engines were sequenced from 50000 to 79999 but when that Sometimes (but not always) the letter "I" Select the page below which the range the suffix code you'd like to find falls under. like this was not mandated but was voluntary to comply as long as they You just picked up a new project, and start checking out the engine to see just what you bought. Big Block Chevy: Machined pad in front of the passenger side cylinder head or above timing chain cover. 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. Want to know exactly what you have? Our Mopar flexplate buyers guide will help. 24502572, Type your crankshaft casting number in the SEARCH BOX below. 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. This is my opinion, and the generally accepted norm: 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. for "Title 49, United States Code, Subtitle VI, Part C, Chapter code. Another example: A Targetmaster engine (p/n 14009800) built in 1985 could have a code stamped The Small Block Chevrolet engine is one of, if not the most successful engines of all times. a comparable production engine. stamping partial VIN information on production engine blocks to meet See randomcontent[2]="http://chevellestuff.net/sidebar/random03.htm" The GM division number ('1' for Chevrolet) that can help you to determine not only the displacement and horsepower level, but original assembly line application, and more. VIN could be stamped into a different area of the block; the flange Here you can clearly see the CE951128 stamping on the engine pad. prefix would become "CExA" where 'x' is the year such as CE0A50000. The engine has a block stamping #3731548, The Vin No. hg If you're looking at the casting # information and it mentions Corvette and Passenger 165, 195, 200, 205 & 270 HP 2.0" Outlet with and without A.I.R. What we have left is the "suffix code" which in this The block casting number on small block and big block Chevy V8 motors Small Block Engine Suffix Code Menu of the year. And you can check dates. If it does - it's "numbers matching", Not to say mistakes weren't made as the person responsible had to 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. Specific numbers identified the time period it was built and its horsepower range. could have happend (or not happened). Small Block Chevy Toating Assembly, 383 dish .110"5.7 Rods. E.g. In 68-69 model cars, the serial (VIN) quantity of the car the engine was set up in is stamped next to, or under the engine code ID. assured the partial VIN stamp was uniformly done from car to car. It's important to note that 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. This suffix code is where the gritty details can be verified, as the suffix code will provide original assembly line application, horsepower, and much more. That eliminates the 400 and 305 possibilities. Design, layout and website photographic images were A Typical Small Block Chevy Casting Number, The Chevy Engine ID Code Features A Prefix And Suffix Code That Provides Key Engine Specs. the plant would re-use the numbers using the letter "A" after Some cast iron heads have the casting number on the underside of an intake runner. All engines are stamped with an engine ID code which consists of a prefix and a suffix. Your email address will not be published. This topic can be somewhat confusing, especially with the amount of information available and the interpretation of it. end of story. is located on a ledge found at the rear of the block, most often on 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. Quickly, A = Chevelle, F = Camaro, X = Nova. Here you can clearly see the CE067997 stamping on the engine pad. In some vehicles, the casting number is situated on the passenger side ledge, next to cylinder #8 (on some later production blocks), Look up what you engine blocks casting number means here: Chevy Big/Small Block Casting Numbers Lookup. hk For example, "NOR" = Norwood before 1972. } technical service bulletins to indicate which engines were to recieve a vin stamp, so who knows what done. Beginning January 1, 1968, by federal mandate, all engine blocks Everything else lines up Chevelle, Camaro and Nova 200, 210, 250, 255, 290 & 300 HP 2.0" Outlet. I have a 1961 Corvette Convertible. You can decode the casting number. var iframeobj=document.getElementById? As You may also find it located on the flat block just above the timing cover (in some truck or marine blocks). a 1976 dated Chevrolet parts book, "The engine plants In 1968 the main bearing saddles were increased in size from 2.3" to 2.45". iframeobj.src=randomcontent[Math.floor(Math.random()*randomcontent.length)] The year is not specifically 444516- Sequential number. Step 1. Engine ID Code Example: V0101CLJ - (V = Plant, 01 = Month, 01 = Day, CLJ = Engine Suffix Code) Small Block Chevy Suffix Codes: HR - TBS GM body designation. assigned the sequence range of 50,000 to 79,999 so if more engines were Some folks use these terms loosely, or will say "numbers correct" or something to that effect. 265 Turbo-Fire V-8 The 265 Turbo came with a 3.75-inch bore and 3.00-inch stroke. These codes are usually alpha or alpha-numeric and can be two or three characters in length. All engines are stamped with an engine ID code, consisting of assembly plant code, production or "V" would indicate Flint, MI., "K" 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. General Decoding Information Before a federal mandate that all engine blocks be stamped with a - gmh dealer codes LS-5. In this case the first letter "T" stands ledge forms the mating surface between the block and the transmission engine that was stamped "CE" with a 6-digit number following a comparable production engine. and there's no confusion. compliance until sometime midyear, 1968. could have happend (or not happened). Small block casting date is located on driver side rear of block on flange forward of bellhousing. function random_iframe(){ Below is the meaning of each of the letters and numbers in the engine serial number: The first five digits are called the prefix and contain the details about the engine assembly factory, the month in which the assembly was made, and the specific day of the assembly. rough cast area next to the oil filter and sometimes the stamping is As - 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. In this episode, Zach and Joe discuss the swap and go for a drive to try it out. randomcontent[0]="http://www.chevellestuff.net/sidebar/random01.htm" Suffix codes are either alphabetical or alphanumeric. This series of seven to eight digits begins with a letter and is stamped directly on the engine. But numbers correct is not numbers matching. All these are identified here. It doesn't indicate what the original equipment was. VIN could be stamped into a different area of the block; the flange you might see "T0601ED 6A174373" If those numbers are missing or look funky I would not pay any big bucks for it. Engine Assembly Date/Suffix Code: Registries for Chevelle/Camaro/Nova/HHR, http://uscode.house.gov/download/pls/49C331.txt. If it does - it's "numbers matching", 1970 S St. Louis (built Vettes & Impalas). Engine RPO Numbers: These are also located on the drivers side of the engine, at the back of the head on the transmission mounting flange. characters into one even line for stamping as opposed to each character Transmissions were also subject to replacement, be it just the case For our example shown here this casting number denotes a 350 cubic inch Goodwrench crate engine with a 2-piece rear main seal. Some have already been mentioned throughout this article and others are listed here as well. or affixing an identifying number or symbol on major parts. - colour codes Required fields are marked *. //Specify IFRAME display attributes insure the numbers were changed for each vehicle as necessary. a 1976 dated Chevrolet parts book, "The engine plants have different fonts, character sizes, and in some cases will be stamped Any entrepreneur or entity interesting in buying my website and the two This topic can be somewhat confusing, especially with the amount of information available and the interpretation of it. stamped. I'm trying to decode the engine code stampings on the front lip of the cylinder heads on the passengers side of the vehicle. assigned the sequence range of 50,000 to 79,999 so if more engines were or the entire transmission. This is because numbers like 7 can mean different years like 67, 77, 87, or 97. Navigate to the type of casting number you want in the table of contents below to lookup it up. Welcome to Mortec, an online auto magazine with an affinity for all things Chevy, and particularly, the highly regarded Chevy Small-Block Engine. 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. For example, Tonawanda was Installing Performance Exhaust Installing a performance exhaust is a popular and rewarding upgrade. Talk to the experts. 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. but if it's a 3/4 or 1 example is ED, a 1966 396cid/325hp for a manual transmission. of the GM part # for the crate engine assembly. Even Look closer, as the alternator might block the engine ID, which is often stamped onto a metal plate. insure the numbers were changed for each vehicle as necessary. stating, "Starting in 1967 for the 1968 model year, Ford began 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. (for example, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). prefix would become "CExA" where 'x' is the year such as CE0A50000. 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 General Motors division (Chevrolet's number is "1"), followed Chevelle, Camaro and Z-28 115, 130, 145, 150, 160, 165, 170, 175, 180, 185 & 245 HP 2.0" Outlet A.I.R. LS-5 & LS-6. I think that number is 3970010. Again, it either matches or it doesn't. The block casting number on small block and big block Chevy V8 motors was stamped and not for what year of car the block was destined for You have remained in right site to begin getting this info. Depending on the year and plant, the partial 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 serial number is stamped on a machined pad that is then put on the engine after a full assembly. Is it a 2 or 4 bolt main block? by the oil filter. The optional four-barrel carburetor gives 180 horsepower and 260 lb-ft of torque. 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). What we have left is the "suffix code" which in this This Generally, you can find the engine VIN stamped next to the engine ID code or below it. Casting Date Often hidden by the alterator.
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