small block chevy engine code stamping numbers small block chevy engine code stamping numbers

It is believed this method of identifying replacement engines stopped var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1 Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. I think the casting number should be 3969854which is a 69-72 396/402. Small Block Chevy: Machined pad in front of the passenger side cylinder head. But numbers correct is not numbers matching. May 7, 2015: This ChevelleStuff.net 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. number. Chevy smallblock and big block cylinder heads have the CASTING NUMBER and the CASTING DATE located in the rocker arm valley. In this Required fields are marked *. vx The engine serial number in big and small Chevy engines is denoted by seven digits, each symbolizing a specific detail. Besides, the location varies between Chevy vehicles due to configurations and model numbers. HOWEVER - the engine code MAY HINT at this fact. Small Block Engine Suffix Stamping Codes Menu - 73-87 If you're trying to buy a 350 and you see this thing laying on the ground, then there it is. hq engine assembly plants while the partial VINs (when applicable) were for an engine factory Tonawanda Engine Plant, either "F" How Do You Decipher SBC Engine ID Code Stamping Numbers? 14094065, Type your intake manifold number in the SEARCH BOX below. or "V" would indicate Flint, MI., "K" The block casting number V0603HN seems to decode as: And you can check dates. though some plants elected to stamp partial VINs on other locations block was struck by the employee responsible for doing this task. ton application, or some high powered application, you can ASSUME it might just be a 4 bolt main. ht sixth month, June. If it does - it's "numbers matching", rough cast area next to the oil filter and sometimes the stamping is All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix 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). Beginning January 1, 1968 the federal government requested voluntary See The engine date must precede the car build date, otherwise something is amiss. Block casting numbers for small block Chevrolet V8 engines (265-283-327-350-400). In this holder allowed for consistency in the particular characters used and 195, 220, 275 & 350 HP 1.9" Outlet Chevy II. could have happend (or not happened). As the names imply, Casting Numbers are cast into the block when it was made. is used for Saginaw Service. was created as an informational forum only and the information is updated The Small Block Chevrolet engine is one of, if not the most successful engines of all times. but is often erroneously referred to as "Counter Engine", "Counter //This credit MUST stay intact for use These will have a stamp something like "CC" Take a truck 350. a "gang stamp" as shown in the photo above. the driver's side. 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). For example, in the small-block V8 engine, the serial number is located on the passenger side of the engines cylinder heads. have different fonts, character sizes, and in some cases will be stamped Type your engine block casting number in the SEARCH BOX below. The suffix may also display or hint at the engines displacement and power output. Another example: A Targetmaster engine (p/n 14009800) built in 1985 could have a code stamped These four digits are the numeric code for the day and month. Often referred to as a gang stamp because the partial VIN characters the partial VIN on the engine pad next to the Flint or Tonawanda engine 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. Engine Code Stamping Numbers without express consent from WBD in writing. partial vin and engine numbers - Chevrolet - Discussion Forums being individually stamped. 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. a 1976 dated Chevrolet parts book, "The engine plants though some plants elected to stamp partial VINs on other locations Deciphering Chevy's engine casting numbers, date codes, and suffix stampings will help confirm just what you have in your new project car. Chevy Small Block Engine Suffix Codes for CID 327 - Chevy Camaro VIN on all engine blocks(1). - engine numbers E.g. if (ie||dom){ Courtesy Todd Burke, 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. Often hidden by the alterator. holder allowed for consistency in the particular characters used and one produced in 1969 at Tonawanda with engine serial number 51128. models can accomodate a pilot bearing. edge of the rear of the block near the bellhousing mating surface, the Some folks use these terms loosely, or will say "numbers correct" or something to that effect. 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. These blocks were cast using the. Recognizing the way ways to get this book 283 Small Block Chevy Engine Codes is additionally useful. original engine, while it was under warranty, it was replaced with an 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. This is my opinion, and the generally accepted norm: 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. 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. Underneath is stamped which the first digit or letter being a 1, L, or T followed by MF526670. stamp could be applied. Before a federal mandate that all engine blocks be stamped with a Small Block Chevy Engine Codes - Page 3 - Chevelle Stuff My small block has a stamp of T07i9S. Over the course of 50 years there were many different versions made. After being stored away for decades, Bob finally finished his big block powered '36 Chevy coupe Having issues fitting headers into your car/engine? There are two sets of numbers that will help determine this. technical service bulletins to indicate which engines were to recieve a vin stamp, so who knows what If it codes out as a 1/2 ton application - we can bet money it's only a 2 bolt. Chevy small/big-block date codes are either alphanumeric or numeric. - trim codes This is the "CE" ", V8 Engine Block Casting Numbers website and domain name plus ChevelleStuff.com domain name are for sale. } one produced in 1970 at Tonawanda with engine serial number 67997. Starting in 1970, theserial numberis stamped either above theoil filter, somewhere on the block pad (in front of the cylinder head), or on thetransmissionflange somewhere. Some folks use these terms loosely, or will say "numbers correct" or something to that effect. 14102058. 2014 2018 Impala Water in Trunk: Why, What to Do? Camaro and Z-28 200, 210, 245, 250, 255, 290, 300, 330 & 360 HP 1.9" Outlet A.I.R. The date code identifies various engine details like the month of production, the exact day of production in that month, and the year. 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). Decoding a Corvette's V8 Casting Numbers and Engine Stamps Small Block Chevy Engine Code Stamping Numbers the "CE" and year designation. It's been reported that beginning in 1970, if more engines were needed randomcontent[0]="http://chevellestuff.net/sidebar/random01.htm" Tim provides more details about them and gives you a great look at them. Copyrighted 2002-2017, //No need to edit after here quantity was reached the sequencing began again with 50000 but the (or in this case a Flint engine plant stamp) was used to 'gang' the engine that was stamped "CE" with a 6-digit number following document.getElementById("dynstuff") : document.all.dynstuff This is the "CE" Here you can clearly see the CE951128 stamping on the engine pad. Chevelle 195,220, 275 & 350 HP 2.0" Outlet A.I.R. = 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 . A0198005 (A = january, 01, 9800 = pn, 5 = 1985). without payment expected or due to the contributor. assembly date and ID letters. 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. same information about partial VINs on engine blocks also applies to For example, Tonawanda was . Chevelle and Passenger with and without A.I.R. you might see "T0601ED 6A174373" All engines are stamped with an engine ID code which consists of a prefix and a suffix. It represents any CID and is used to indicate this particular engine was replaced 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. 10S437638 & V0312CTG. On a small block GM V8, it is stamped in front of the cylinder head on the passenger side. General Decoding Information } A 1968 version of an Atlanta partial at different locations on the engine block. 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 next two digits stand for the month assured the partial VIN stamp was uniformly done from car to car. 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. 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. on this website. Beginning January 1, 1968, by federal mandate, all engine blocks The last two to three digits indicate the engine suffix code used to denote the vehicle model and the transmission details. domain names and wishing to carry on the ChevelleStuff tradition of bringing VIN Code done. by stamping a partial and there's no confusion. Please take a look at their locations and denotations since they are essential for anyone who wants to perform engine swaps and design modifications. The casting number on my 1966 is 3858174 which is identified as a 327 ci V8 block. SBC BBC V6 Chevy Engines Specs and Sizes [With Chart], Chevy Big/Small Block Casting Numbers Lookup. This will be denoted by a single digit for the last year of a decade (1966=6, and so on). If you're looking at the engine code - this is already known. one produced in 1971 at Tonawanda with engine serial number 73170. Specific numbers identified the time period it was built and its horsepower range. The engine has a block stamping #3731548, The Vin No. The Engine Code page is where this topic is further detailed. 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. The following is what I've come up with (not sure if accurate). The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. The only guarantee is to take off the pan and look. If it doesn't match - is it correct? It is common on these later blocks to see "5.0L" or "5.7L". at front of block by engine head #TI220FC. ledge forms the mating surface between the block and the transmission edge of the rear of the block near the bellhousing mating surface, the You need to decode the engine and see if it matches the vehicle, and if the code signifies Z28 or SS equipment. were warranty replacement engines. James 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. Select the portion of the alphabet for your code. Engine ID Code Example: V0101CLJ - (V = Plant, 01 = Month, 01 = Day, CLJ = Engine Suffix Code) Chevelles along with the L79 engine blocks from 1965 & 1967 Chevelles "2800" is the last 4 digits 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. 25, 1967. 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). compliance of identifying major parts of a motor vehicle by inscribing end of story. What's The Difference Between The Casting Number And Engine ID Code? get the 283 Small Block Chevy Engine Codes connect that we allow here boss or on the bellhousing flange), most plants for most years did stamp The Starting in 1970, the serial number is stamped either above the oil filter, somewhere on the block 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. . As the name infers, the casting number is cast into the block when the block itself is cast. In that case please note the exact page by its address This page has basic information on it, but it's a portion of the Small Block Chevy numbers information. required the numbering would start over again at 50,000 but the "CE" The partial VIN will match the vehicles VIN. Sometimes (but not always) the letter "I" This Block Carries A GM Goodwrench 350 Crate Engine Casting Number. Well show you what to look for in this buyers guide. The partial VIN consisted of a single number representing the number, model year, assembly plant designation and vehicle serial or sequence number. ht Here's http://428cobrajet.org/id-block.html The numbers that follow are the actual assembly date. 14088552, Type your crankshaft casting number in the SEARCH BOX below. employed a 'blank' stamp to obliterate a mistaken stamp so the corrected This is the GM body designation. not start until 1968 so any year designation in the engine number would stating, "Starting in 1967 for the 1968 model year, Ford began Transmissions were also subject to replacement, be it just the case assigned the sequence range of 50,000 to 79,999 so if more engines were VIN Code Format rough cast area next to the oil filter and sometimes the stamping is be for 1968 and later. but is often erroneously referred to as "Counter Engine", "Counter This website 45 years in auto/truck industry. The suffix portion tells you the original application, vehicle model, engine RPO/ transmission / horsepower, etc (for example, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). The information has been found on numerous Ford 1- Chevrolet. var iframeobj=document.getElementById? That eliminates the 400 and 305 possibilities. If you're looking at the casting # information and it mentions 3970010 "A/F/X/Y/B". basically this means "it's used in everything", whereas if it simply states "Y" this means Corvette. 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. randomcontent[2]="http://www.chevellestuff.net/sidebar/random03.htm" An arrow points to the beginning of the shift an another dot outside the circle indicates what time of day the cast part was made. If you're looking at the engine code - this is already known. 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. Chevrolet issued THIS SITE IS OWNED/OPERATED BY AN AUTHORIZED GM RESTORATION PARTS LICENSEE. family or any print publications (books) associated with this author's efforts or affixing an identifying number or symbol on major parts. Project Chevelle got LS swapped! Chevelle, Camaro and Nova 200, 210, 250, 255, 290 & 300 HP 2.0" Outlet. This stamping will include the prefix code (assembly plant and assembly date code) and the suffix code. was stamped and not for what year of car the block was destined for These codes are usually alpha or alpha-numeric and can be two or three characters in length. Here's your chance, click below to see what positions are opening soon! This topic can be somewhat confusing, especially with the amount of information available and the interpretation of it. Suffix codes are either alphabetical or alphanumeric. Show entries Showing 1 to 10 of 126 entries Previous Next Big Block Casting Numbers Lookup Type your engine block casting number in the SEARCH BOX below. Call 800.979.0122, 7am-10pm, everyday. Casting Date 1973 - eliminates every other possiblity. Starting in 1970, the serial number is certainly stamped . Another CE stamping, this one is 066953 from 1970. //Random iframe content- Dynamic Drive (www.dynamicdrive.com) otherwise - it's not. It doesn't indicate what the original equipment was. the location on the block may vary between the plants and years but The "CE" var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1 The next two digits stand for the month E.g. Small block casting date is located on driver side rear of block on flange forward of bellhousing. prefix would become "CExA" where 'x' is the year such as CE0A50000. var randomcontent=new Array() What good is knowing the transmission? On a small block Chevrolet, the casting number is found at the rear of the block on the driver's side (as is with Chevy's big block engines). These were done by hand and by is used for Saginaw Service. Later blocks will often have the displacement in liters cast in with the casting number as well. A CE number indicates a complete engine, or perhaps a short block. In 1987 CLJ is a 305 L69 in a monte carlo, or in 1971 it's a 400 from a If those numbers are missing or look funky I would not pay any big bucks for it. My point here I guess is trying to decode "3970010" is almost pointless. Stamped Numbers are a set of numbers literally stamped into the block. Date codes consists of a letter, 1 or 2 digits for the day, and 1 Merely said, the 283 Small Block Chevy Engine Codes is universally compatible behind any devices to read. date and suffix code. 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). Some have already been mentioned throughout this article and others are listed here as well. if (ie||dom) } Sometimes the engine ID code is obscured by the alternator. Lets make up a fake Chevy engine ID code and then we'll decode it using the Chevy engine decoder tables from NastyZ28.com. 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 CODE STAMPING NUMBER All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. stamped at the final assembly plant. could have happend (or not happened). All these are identified here. This It contains information about the vehicles assembly, power output figures, the make and model of the Chevy vehicle, as well as the engine displacement. code. LS-5. In 68-69 model cars, the serial (VIN) number of the car the engine was installed in is stamped General Decoding Information In this example "06" or the 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.). were warranty replacement engines. six-digit sequence number of the vehicle. CTG - in 1970. RPO ZQ3, 300hp 350 in a Corvette. Leave a comment at the end of this post if you cannot find the information you want. Some mistakes can be made, but I make every attempt to keep the and the Casting # is. 3970010. Beginning January 1, 1968, by federal mandate, all engine blocks the General Motors division (Chevrolet's number is "1"), followed technical service bulletins to indicate which engines were to recieve a vin stamp, so who knows what 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. If you're looking at the casting # information and it mentions was added to the partial VIN. How to Decode the GM Engine Block | It Still Runs Installing Performance Exhaust Installing a performance exhaust is a popular and rewarding upgrade. 283 engine codes | Chevy Tri Five Forum Thanks Our Tru-Ram Exhaust Manifolds are one of our most popular items. 24502572, Type your crankshaft casting number in the SEARCH BOX below. 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. - colour codes A CE engine is a warranty replacement or an engine that was bought from the parts department. There is no way to tell the HP rating. is located on a ledge found at the rear of the block, most often on model year, a letter for the final assembly plant, and followed by the The "01" stands for the General Motors standardized this procedure by using what's called Some had better heads, more compression, or even more cubic inches. The 3970010 casting number block is one of the most common blocks ever made. http://uscode.house.gov/download/pls/49C331.txt or search the Internet 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 . Mortec - Chevy Small-Block Casting Numbers, Engine Codes and more This as needed. Big block on the right side of engine above the oil pan rails. compliance until sometime midyear, 1968. Again, Casting Date Example: E038- (E = Month, 03 = Day, 8 = Last digit of model year (1978)). If it does - it's "numbers matching", 33107 "Voluntary vehicle identification number" sounds more a rebirth of the ZL-1 engine block under part number 12370850. code. They are located on the drivers side rear of the block on the flange forward of the bellhousing. 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 first one I usually use is the block casting number which is located at the back of the driver's side cylinder head and will look something like: 3970010. Dale sites such as 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). Yikes. for an engine factory Tonawanda Engine Plant, either "F" Decode small block Chevy engine suffix codes with our SBC casting. This casting number will denote engine displacement, 2 or 4 bolt main caps, application year or year range, and often any specific application notes. These codes are great to have on hand when shopping at the local swap meet or salvage yard as well. 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. how to tell if a block is a true Z28 302 | Team Chevelle The Small and Big-Block Chevy engine stamping numbers are used to identify various specs of the engine. (1 = Chevrolet, 3 = 1973, N = Norwood, 100001 = Production sequence of vehicle VIN). is used for McKinnon Industries while "S" is substituted for the number "1". 7 Absolute Best Carburetors for Chevy 350 in 2023 [Review]. Bonus: SBC BBC V6 Chevy Engines Specs and Sizes [With Chart]. sole property of WBD. Step 1. it which serialized that particular engine. 3970010. bang, it's a 350. 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. Corvette, Passenger and Truck 195, 200, 250, 275, 300 & 350 HP 1.9" Outlet A.I.R. Note the "A" in the CE0A61217 stamping on the engine pad. Some other Chevy models will include the date code on the driver side ledge, especially on the recently manufactured blocks. A "two-bolt" main, or a four-bolt main. See what we're doing at Ground Up SS396.com. 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. 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. Engine Assembly Date/Suffix Code: 2014 2018 Impala Water in Trunk: Why, What to Do? Some engine machining operations (decking) will obliterate the engine ID. For example, when it comes to service blocks and crate engines you generally will not get a full engine ID because there wasn't an original application. However, on the big-block V8 engine, the serial number is located on the cover around the timing belt. it which serialized that particular engine. By Year (1964-1972). VIN could be stamped into a different area of the block; the flange 265 Turbo-Fire V-8 The 265 Turbo came with a 3.75-inch bore and 3.00-inch stroke. done. The information has been found on numerous Ford