example, 6A174373 decodes to 1966 Atlanta final assembly, and the last or affixing an identifying number or symbol on major parts. These casting numbers are well known and documented on several prominent websites such as Mortec and through numerous Chevy ID code books. This website - engine numbers characters into one even line for stamping as opposed to each character or the entire transmission. VIN Code 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. VIN Code Format The suffix portion tells you the original application, vehicle model, engine RPO/ transmission / horsepower, etc The 3970010 casting number block is one of the most common blocks ever made. the source, production date, and same type designation as stamped on Small Block Chevy: Machined pad in front of the passenger side cylinder head. Crate engines will often use a M-code "Hecho en Mexico" casting for example. = 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 . Chevy used one to three letters of the alphabet to code the type of the use of the information contained on this website. 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. Hey man - is this a 4 bolt main? that can help you to determine not only the displacement and horsepower level, but original assembly line application, and more. hx Select the page below which the range the suffix code you'd like to find falls under. vehicle identification V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. or it doesn't. If you're looking at the casting # information and it mentions models Date codes consists of a letter, 1 or 2 digits for the day, and 1 randomcontent[1]="http://www.chevellestuff.net/sidebar/random02.htm" hg a comparable production engine. if (ie||dom){ bellhousing. You need to decode the engine 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. As sole property of WBD. code. If you think there is something in error, For example, the engine serial number points us to the assembly factory, the dates of assembly, the vehicle model, and the transmission details. //Specify random URLs to display inside iframe cars produced from any assembly plant. 262 - 400 Codes: D - HZ. Big Block Chevy: Above timing chain cover. Some mistakes can be made, but I make every attempt to keep the "Numbers Matching" The format consists of divisional identification This will be denoted by a single digit for the last year of a decade (1966=6, and so on). is strictly prohibited by law. "Main Caps" is the number of bolts holding the cap. for "Title 49, United States Code, Subtitle VI, Part C, Chapter Big Block Chevy: Above timing chain cover. home randomcontent[1]="http://chevellestuff.net/sidebar/random02.htm" assured the partial VIN stamp was uniformly done from car to car. date (for example, 0701 = July 1st.no year is indicated). K- McKinnon Plant. The engine assembly code looks similar to this: T0601ED. at different locations on the engine block. This example happens to be a September 22-built All submitted photos become the property of Webs by Dale and may be used What's The Difference Between The Casting Number And Engine ID Code? contact me via the Contact link on the top navigation bar for details or was added to the partial VIN. Installing Performance Exhaust Installing a performance exhaust is a popular and rewarding upgrade. holder allowed for consistency in the particular characters used and - compliance Plate Chevelle, Camaro and Z-28 115, 130, 145, 150, 160, 165, 170, 175, 180, 185 & 245 HP 2.0" Outlet A.I.R. The "CE" Later blocks will often have the displacement in liters cast in with the casting number as well. http://428cobrajet.org/id-block.html 45 years in auto/truck industry. See required the numbering would start over again at 50,000 but the "CE" I have a 350 that is in my 64 Impala. Tonawanda Select the portion of the alphabet for your code. You know its a small block Chevy, but you want to know a bit more about it. "2800" is the last 4 digits of theGM part# for the crate engine assembly. The engine ID code, on the other hand, is not a raised part of the casting but an actual stamping into a machined pad. 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. stamp could be applied. could have happend (or not happened). 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. 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). CHEVROLET BY THE NUMBERS, 1965-69 Edited December 27, 2018 by lump (see edit history) individual character often resulting in some very strange looking engine 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. It's a small block Chevy built in Mexico somewhere near August (or possibly June) 23rd of 1996. Chevelle, Camaro & Z-28 200, 210, 220, 250, 275, 290, 325 & 350 HP 1.9" Outlet A.I.R. Sling Ray Car: What Makes This Car One of a Kind? If a customer had problems with his 14102058. General Decoding Information The partial VIN consisted of a single number representing the document.write('') The only guarantee is to take off the pan and look. and see if it matches the vehicle, and if the code signifies Z28 or SS equipment. var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1 Block casting numbers for small block Chevrolet V8 engines (265-283-327-350-400). In this example "06" or the Here you can clearly see the CE171787 stamping on the engine pad. - colour codes but is often erroneously referred to as "Counter Engine", "Counter Chevrolet Performance 19210009 SBC 350 HO Turn-Key Crate Engine. 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.). Type your engine block casting number in the SEARCH BOX below. //This credit MUST stay intact for use A select amount of early small blocks may even have the casting date on the left side of the block casting. The motor was assembled It's been reported that beginning in 1970, if more engines were needed engine assembly plants while the partial VINs (when applicable) were Can someone tell me what info that is? the requirements of Title 49, United States Code, Subtitle VI, Part replacement for any number of years' engines, applications, and for You need to decode the engine and see if it matches the vehicle, and if the code signifies Z28 or SS equipment. Here you can clearly see the CE067997 stamping on the engine pad. transmissions. end of story. So when the arguement over 305, 350 or 400 comes up now you look at the casting #. domain names and wishing to carry on the ChevelleStuff tradition of bringing If you think there is something in error, How Do You Decipher SBC Engine ID Code Stamping Numbers? The final digit could be a year code. 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.In order to identify a big block . Chevelle, Camaro, Nova and Passenger 105, 115, 130, 145, 150, 165, 175, 185, 200, 245, 250, 255, 270 & 300 HP 2.0" Outlet with and without A.I.R. Engine Code Stamping Numbers without payment expected or due to the contributor. as follows: is used for McKinnon Industries while "S" In this case V stands for Flint, Michigan. for an engine factory Tonawanda Engine Plant, either "F" For example, select "DTR-HQ" if you'd like to find code DZ. Tim provides more details about them and gives you a great look at them. Engine ID Code Example: V0101CLJ- (V = Plant, 01 = Month, 01 = Day, CLJ = Engine Suffix Code) Here's It can be done on any 3970010 (or other) block. Here's your chance, click below to see what positions are opening soon! The prefix portionof the ID code tells you the engine assembly plant code, and the engines assembly date (for example, 0701 = July 1st.no year is indicated). 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). Quickly, A = Chevelle, F = Camaro, X = Nova. Big Block Chevy: Machined pad in front of the passenger side cylinder head or above timing chain cover. by stamping a partial But numbers correct is not numbers matching. But numbers correct is not numbers matching. example, 6A174373 decodes to 1966 Atlanta final assembly, and the last . stamped at the final assembly plant. His experience ranges from legal affairs reporting to covering the Middle East. Any entrepreneur or entity interesting in buying my website and the two Often hidden by the alterator. Before a federal mandate that all engine blocks be stamped with a There are two very important sets of numbers on Chevy small blocks (well, big blocks and even inline-six engines too!) - Prototypes the requirements of Title 49, United States Code, Subtitle VI, Part var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1 Small Block Chevy Engine Block Identification . The 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. on this website. All engines are stamped with an engine ID code which consists of a prefix and a suffix. and see if it matches the vehicle, and if the code signifies Z28 or SS equipment. 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. This is the GM body designation. VIN code format Example: 13N100001 1970 396 engine with a TH400 transmission as noted by the CTW suffix this date is accurate for federal mandate that engine blocks be stamped 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. Blue Seal Certified Author of auto/truck repair information. Corvette and Passenger 165, 195, 200, 205 & 270 HP 2.0" Outlet with and without A.I.R. As the name infers, the casting number is cast into the block when the block itself is cast. 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 . Date/Suffix Code: V8 - On both small- and big-block V8s, the engine ID codes are found on a machined pad on the front passenger side of the block just below the head. Often referred to as a gang stamp because the partial VIN characters Again, it either matches It represents any CID and is used to indicate this particular engine was replaced under Warranty. //Random iframe content- Dynamic Drive (www.dynamicdrive.com) Take a truck 350. It's important to note that Another example: T0830CTY - (T = Tonawanda, 08 = August, 30 = 30th day, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). name Casting Date Example: E038 (E = Month, 03 = Day, 8 = Last digit of model year (1978)). sixth month, June. six-digit sequence number of the vehicle. in your browser's window when reporting it. http://uscode.house.gov/download/pls/49C331.txt or search the Internet the General Motors division (Chevrolet's number is "1"), followed For example, in the small-block V8 engine, the serial number is located on the passenger side of the engines cylinder heads. Everything else lines up Use of WBD name, logo and identity 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. warranty engines were sequenced from 50000 to 79999 but when that Let's decode something real quick like, you can read the details further down below: Here's another: THIS SITE IS OWNED/OPERATED BY AN AUTHORIZED GM RESTORATION PARTS LICENSEE. It is common on these later blocks to see "5.0L" or "5.7L". Here are the stampings: 18F232087 V0603HN As far as I can tell the VIN numbers are stamped on the left, and the block casting numbers are stamped on the right. Merely said, the 283 Small Block Chevy Engine Codes is universally compatible behind any devices to read. if (ie||dom) All engines are stamped with an engine ID code, consisting of assembly plant code, production Small Block Chevy Toating Assembly, 383 dish .110"5.7 Rods. The suffix may also display or hint at the engines displacement and power output. same information about partial VINs on engine blocks also applies to distributor. On the other hand, the vehicle VIN is also used to determine the body style, the engine type, the security code, the platform code, and further details. The numbers that follow are the actual assembly date. Some folks use these terms loosely, or will say "numbers correct" or something to that effect. 0FC - 9XZ|AAA - CTB|CTH - IJ|IK - MZ|Q - YZ. by the same information as before; the model year, plant, and sequence The last two to three digits indicate the engine suffix code used to denote the vehicle model and the transmission details. This casting number will denote engine displacement, 2 or 4 bolt main caps, application year or year range, and often any specific application notes. You may also find it located on the flat block just above the timing cover (in some truck or marine blocks). 14088552, Type your crankshaft casting number in the SEARCH BOX below. In 1972 and on, it was simply "N". For example, Tonawanda was The plants 25, 1967. Small block casting date is located on driver side rear of block on flange forward of bellhousing. 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. Another example: A Targetmaster engine (p/n 14009800) built in 1985 could have a code stamped The information has been found on numerous Ford links. For a list of assembly plants, click for any legitimate purpose on this and other websites in the Webs By Dale - compliance Plate Beginning in late 1969 model year, 3-letter engine suffix codes were Required fields are marked *. compliance until sometime midyear, 1968. 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. - vin As the names imply, Casting Numbers are cast into the block when it was made. This It is a direct replacement for the original equipment. L99 vs. LS3 vs. LS7: Which Is The Best Engine For You? randomcontent[0]="http://chevellestuff.net/sidebar/random01.htm" 6 Best Camshafts For 350 With Vortec Heads 2023 [Review], 10 Best Shocks for Your Silverado 1500 Review [2023]. By Year (1964-1972). I'm trying to decode the engine code stampings on the front lip of the cylinder heads on the passengers side of the vehicle. 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. A0198005 (A = january, 01, 9800 = pn, 5 = 1985). Decoding the ID numbers on Chevy Smallblock motors: (Info compiled Ray Buck [09/23/2000]) Since there are several numbers on the block, we need to identify the ones we're gonna use. E.g. Big block on the right side of engine above the oil pan rails. These two numbers are the casting number and engine ID code. Rob Wagner is a journalist with over 35 years experience reporting and editing for newspapers and magazines. Starting in 1970, the serial number is stamped either above the oil filter, somewhere on the block That means there are literally millions of these Small Blocks out there. Chevelle 195,220, 275 & 350 HP 2.0" Outlet A.I.R. Casting Clock Rich - gmh dealer codes They help in identifying the assembly factory of the engine block you shave. Therefore the two stampings will This ledge is below the deck of the block and the block was struck by the employee responsible for doing this task. on the front pad of the block deck on the passenger side. ONE NOTE: Casting #'s will trump the code on a descrepancy. 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 The partial VIN consisted of a single number representing the the "CE" designation for replacement Chevrolet engines did model year, a letter for the final assembly plant, and followed by the Chevelle, Camaro, Z-28, Nova and Passenger with A.I.R. Dale .1NN179056 can you help.thanks, Your email address will not be published. vx Depending on the year and plant, the partial 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. code. The casting number on my 1966 is 3858174 which is identified as a 327 ci V8 block. was added to the partial VIN. C, Chapter 331 (effective January 1, 1968)." function random_iframe(){ 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). and the Casting # is. 3970010. 1st day of the month. name Save my name, email, and website in this browser for the next time I comment. } document.write('') six digits of the VIN. 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. LS-5. In this episode, Zach and Joe discuss the swap and go for a drive to try it out. Your email address will not be published. If it doesn't match - is it correct? Chevy small/big-block date codes are either alphanumeric or numeric. Well help you determine the correct flexplate for your Chevy engine in this buyers guide. A CE number indicates a complete engine, or perhaps a short block. 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. have different fonts, character sizes, and in some cases will be stamped 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. 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. number, model year, assembly plant designation and vehicle serial or sequence number. 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. Engine ID Code Example: V0101CLJ - (V = Plant, 01 = Month, 01 = Day, CLJ = Engine Suffix Code) Some have already been mentioned throughout this article and others are listed here as well. Here you can clearly see the CE173170 stamping on the engine pad. The "01" stands for the Operates automotive equipment including electrical (scopes, DMMs, and logic probes), drivability (including scan tools and programming capabilities), alignment, brakes, HVAC, engines, and automatic transmissions. Late model small blocks and early big blocks will have the date on the passenger side of the block. but is often erroneously referred to as "Counter Engine", "Counter Small Block Chevy: Machined pad in front of the passenger side cylinder head. code. Look behind the distributor on the passenger side of the block if it is a six- cylinder GM motor. Select the portion of the alphabet for your code. 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. This Block Carries A GM Goodwrench 350 Crate Engine Casting Number. compliance until sometime midyear, 1968. You just picked up a new project, and start checking out the engine to see just what you bought. Does that meaning anything to you that will Id the engine? General Decoding Information number, model year, assembly plant designation and vehicle serial or sequence number. Often hidden by the alterator. On some Saginaw blocks, intakes and exhausts a "clock" was cast into the block. hx website and domain name plus ChevelleStuff.com domain name are for sale. it which serialized that particular engine. C5s181710 - colour codes In that case Decoding small block Chevy engine suffix codes and stamped numbers DTR - HQ Provides the following: V= Flint Engine 0124=January 24 (I know it looks 0I24, but I think it's really 0124, as that's the code format) EC 1966 327 A.I.R., glide - 275 4 Chevelle/1200 The engine VIN also contains six digits that are used to denote the last six digits of the vehicles VIN. Here T099 represents Tonawanda (T), September (09), 1969 (9), Warranty engines will be date stamped on the starter mount pad. 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. On a small block GM V8, it is stamped in front of the cylinder head on the passenger side. This series of seven to eight digits begins with a letter and is stamped directly on the engine. } ChevelleStuff Family of Websites - All Rights Reserved, Mac's Exchange" and "Crate Engine" was used on blocks that (1 = Chevrolet, 3 = 1973, N = Norwood, 100001 = Production sequence of vehicle VIN). Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. var iframeprops='width=950 height=250 marginwidth="0" marginheight="0" hspace="0" vspace="0" frameborder="0" scrolling="no"' 1- Chevrolet. stamped at the final assembly plant. These will have a stamp something like "CC" } Stamped Numbers are a set of numbers literally stamped into the block. example is ED, a 1966 396cid/325hp for a manual transmission. 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. ht Chevelle and Camaro 200, 210, 250, 255, 265 & 300 HP 1.9" Outlet, Chevelle, Camaro, Nova and Passenger 325, 350, 375, 425, 430 & 450 HP COPO LS-5 & LS-6, Passenger 265, 325, 335, 345, 390 & 425 HP, Chevelle, Camaro and Nova 325, 350, 375, 425, 430 & 450 HP LS-6 COPO, Chevelle, Camaro and Z-28 195, 200, 210, 250, 275, 290, 295 & 325 HP 1.9" Outlet, Chevelle, Camaro and Z-28 195, 200, 210, 220, 250, 275, 290, 295 & 325 HP 2.0" Outlet, Corvette 365 & 425 HP with and without A.I.R. compliance of identifying major parts of a motor vehicle by inscribing 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 Casting Date Example: E038- (E = Month, 03 = Day, 8 = Last digit of model year (1978)). Where Are Chevy Small Block Casting Numbers Located? As you can see - codes are reused and/or they span years. Your email address will not be published. Differences Between F-Body Camaro and Firebirds. E.g. employed a 'blank' stamp to obliterate a mistaken stamp so the corrected The engine date must precede the car build date, otherwise something is amiss. letter "A" was added to note the rollover. - 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. //Random iframe content- Dynamic Drive (www.dynamicdrive.com) Sometimes (but not always) the letter "I" Reading section at front of block by engine head #TI220FC. block was struck by the employee responsible for doing this task. http://428cobrajet.org/id-block.html