1973 - eliminates every other possiblity. V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. Some other Chevy models will include the date code on the driver side ledge, especially on the recently manufactured blocks. WBD shall not be held liable for any loss resulting from See rough cast area next to the oil filter and sometimes the stamping is Small Block Casting Numbers Lookup Type your engine block casting number in the SEARCH BOX below. iframeobj.src=randomcontent[Math.floor(Math.random()*randomcontent.length)] A 1968 version of an Atlanta partial Some have already been mentioned throughout this article and others are listed here as well. engine assembly plants while the partial VINs (when applicable) were 7- Either 1967 or 1977. assembly date and ID letters. hj being individually stamped. insure the numbers were changed for each vehicle as necessary. Starting in 1970, the serial number is stamped either above the oil filter, somewhere on the block The partial VIN will match the vehicles VIN. On a small block GM V8, it is stamped in front of the cylinder head on the passenger side. These numbers will tell you where the engine was assembled, production date, and the suffix code. "2800" is the last 4 digits //No need to edit after here This will not be the same as the block's casting date (more on casting dates below). Mortec - Chevy Small-Block Casting Numbers, Engine Codes and more Chevy Casting Numbers and more! Small Block Chevy: Machined pad in front of the passenger side cylinder head. var randomcontent=new Array() You just picked up a new project, and start checking out the engine to see just what you bought. Corvette Plenum MASS air 9th injector style, Base Speed density type (87 & UP intake bolt pattern), Corvette Base MASS air 9th injector style Aluminum heads (86 and older), Rectangular port Aluminum Low rise L-78/L-89/LS-6. and there's no confusion. Even technical service bulletins to indicate which engines were to recieve a vin stamp, so who knows what Locate the engine block code. 99% of the time, the casting # won't indicate anything. Quickly, A = Chevelle, F = Camaro, X = Nova. 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. six-digit sequence number of the vehicle. 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. E.g. What we have left is the "suffix code" which in this These engines offered great performance with increased horsepower over the standard equipped 350 motors. My small block has a stamp of T07i9S. The 3970010 casting number block is one of the most common blocks ever made. James found above the timing cover mating surface on the front of the block. 265 Turbo-Fire V-8 The 265 Turbo came with a 3.75-inch bore and 3.00-inch stroke. The partial VIN will match the vehicles VIN. VIN on all engine blocks(1). of the year. six-digit sequence number of the vehicle. any registrant may be used by WBD for display on any other WBD website without Camaro and Z-28 200, 210, 245, 250, 255, 290, 300, 330 & 360 HP 1.9" Outlet A.I.R. number. example is ED, a 1966 396cid/325hp for a manual transmission. Small block casting date is located on driver side rear of block on flange forward of bellhousing. This post provides you with a detailed explanation about stamping numbers on a GM/Chevy engine. Here you can clearly see the CE951128 stamping on the engine pad. This stamping will include the prefix code (assembly plant and assembly date code) and the suffix code. the "CE" and year designation. http://uscode.house.gov/download/pls/49C331.txt or search the Internet model year, a letter for the final assembly plant, and followed by the Rob Wagner is a journalist with over 35 years experience reporting and editing for newspapers and magazines. 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. but is often erroneously referred to as "Counter Engine", "Counter 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. For help go to engine Code help or engine decoding FAQ. stamp could be applied. The above info represents 1955-85 only. employed a 'blank' stamp to obliterate a mistaken stamp so the corrected Look closer, as the alternator might block the engine ID, which is often stamped onto a metal plate. are to stamp the serial pad of all current model service engines with The last two to three digits indicate the engine suffix code used to denote the vehicle model and the transmission details. MoPar forums searched seem to indicate that MoPar didn't follow the Note the "A" in the CE0A61217 stamping on the engine pad. 331" for more websites with information. = 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 . Code: Year: CID: HP: BBL: Appl: 3T : 1978 : 350 : 170 : 4 : L . at a given plant in a year than the range of sequence numbers allotted, here. it which serialized that particular 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. Big block on the right side of engine above the oil pan rails. without payment expected or due to the contributor. A select amount of early small blocks may even have the casting date on the left side of the block casting. as needed. the driver's side. 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. in your browser's window when reporting it. Engine Code Stamping Numbers. The vin code format is stamped onto most engines. 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. - trim codes by stamping a partial 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. Morec1@aol.com. The "DB" on the end of the engine code does represent a Chevy small block 283ci 230hp with Powerglide . Thanks Select the page below which the range the suffix code you'd like to find falls under. same information about partial VINs on engine blocks also applies to Is it a 2 or 4 bolt main block? the "CE" and year designation. The casting number on my 1966 is 3858174 which is identified as a 327 ci V8 block. the driver's side. 1970 Atlanta example of the partial VIN stamped on the engine pad. 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. 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 And you can check dates. The block casting number on small block and big block Chevy V8 motors The GM division number ('1' for Chevrolet) 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. Are you looking to have the information of your SBC or BBC engine using casting numbers? The format consists of divisional identification Here you can clearly see the CE173170 stamping on the engine pad. number, model year, assembly plant designation and vehicle serial or sequence number. Again, it either matches or it doesn't. This 1970 396 engine with a TH400 transmission as noted by the CTW suffix hk http://uscode.house.gov/download/pls/49C331.txt or search the Internet hj Chevelle, Camaro, Z-28 and Nova 200, 210, 250, 255, 290, 300 & 360 HP 2.0" Outlet A.I.R. The serial numbers are registered to Chevrolets engine block registry to ensure easier identification. ledge forms the mating surface between the block and the transmission Below is a summary chart of the four types of stamping numbers on any Chevy small-block or big-block engine. This at the Tonawanda factory on June 1st. - engine numbers The primary pieces of information you'll decode are the Engine Code and Partial VIN. stamped into the pad on the front passenger side of the block. hz Casting Date Corvette 190, 195, 200, 235, 255, 300, 330 & 350 HP 1.9" Outlet A.I.R. characters into one even line for stamping as opposed to each character In this example "06" or the vx 14102058. 6 cylinder engines are stamped on the passenger side of the block behind the pad (in front of the cylinder head), or on the transmission flange somewhere. 3970010. bang, it's a 350. Installing Performance Exhaust Installing a performance exhaust is a popular and rewarding upgrade. You can decode the casting number. digit for the year such as J 25 7 would be October one produced in 1970 at Tonawanda with engine serial number 67997. - engine numbers 444516- Sequential number. All submitted photos become the property of Webs by Dale and may be used Machined Small Block Chevy Iron Engine Block, Speedway Small Block Chevy Overhaul Gasket Set, 350 Chevy, '67-'85, Budget Street Small Block Chevy 350 Engine Rebuild Assembly Kit, Pioneer Automotive PE-100-BR Chevy 283-350 Brass Freeze Plug Set, King Chrome Small Block Chevy Deluxe Chrome Engine Hardware Kit. E.g. and the Casting # is. 3970010. you might see "T0601ED 6A174373" 262 - 400 Codes: D - HZ. were warranty replacement engines. The plant, date, and engine ID codes were stamped at the respective at a given plant in a year than the range of sequence numbers allotted, required the numbering would start over again at 50,000 but the "CE" like this was not mandated but was voluntary to comply as long as they - Exports Another example: T0830CTY- (T = Tonawanda, 08 = August, 30 = 30th day, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). home 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. The prefix portion of the ID code tells you the engine assembly plant code, and the engine's assembly General Motors standardized this procedure by using what's called Lets find out! I think the casting number should be 3969854which is a 69-72 396/402. hz was stamped and not for what year of car the block was destined for without express consent from WBD in writing. These were done by hand and by C, Chapter 331 (effective January 1, 1968)." Another example: A Targetmaster engine (p/n 14009800) built in 1985 could have a code stamped as follows: Mar 27, 2007 CE stands for Chevrolet Engine. 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. Here's your chance, click below to see what positions are opening soon! on the front pad of the block deck on the passenger side. links. This example happens to be a September 22-built Need all of the casting date, which should be on the bellhousing flange, same general area as casting number. 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. - gmh dealer codes These will have a stamp something like "CC" Here's 1- Chevrolet. Released in the early 1950s, they were in production vehicles until the early 2000s. 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). Sometimes (but not always) the letter "I" It is a '69 350/300 hp, a pretty desirable piece. here. VIN Code Format Suffix codes are either alphabetical or alphanumeric. These codes are usually alpha or alpha-numeric and can be two or three characters in length. Quickly, A = Chevelle, F = Camaro, X = Nova. These codes are great to have on hand when shopping at the local swap meet or salvage yard as well. 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. This ledge is below the deck of the block and the The plants Save at SS396.com. L99 vs. LS3 vs. LS7: Which Is The Best Engine For You? Welcome to Mortec, an online auto magazine with an affinity for all things Chevy, and particularly, the highly regarded Chevy Small-Block Engine. The Chevy big/small-block engine VIN (vehicle identification number) is a combination of digits that indicate the type of vehicle the engine is installed in, the model year, and the assembly plant. end of story. or the entire transmission. 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. all created by WBD or submitted by readers and are not to be copied or distributed 10S437638 & V0312CTG. It doesn't indicate what the original equipment was. There are over 1300 pages and 8500 images This will be denoted by a single digit for the last year of a decade (1966=6, and so on). You will usually find a "CE" for Chevy Engine. document.getElementById("dynstuff") : document.all.dynstuff So what do we have so far in this example? The Engine Suffix Code is stamped on a block pad located immediately forward of the right hand or passenger side cylinder head. As I have no idea. drilling the holes is a machining operation. You might see something like this "CE056789" Chevy used one to three letters of the alphabet to code the type of 331" for more websites with information. V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. a rebirth of the ZL-1 engine block under part number 12370850. This match is done via the PARTIAL VIN stamp on the component. General Motors standardized this procedure by using what's called - body id plate This VIN on all engine blocks(1). The "CE" engine code is not really . Underneath is stamped which the first digit or letter being a 1, L, or T followed by MF526670. The block casting number V0603HN seems to decode as: cylinder head. All these are identified here. sites such as Starting in 1970, the serial number is certainly stamped . date and suffix code. compliance until sometime midyear, 1968. have different fonts, character sizes, and in some cases will be stamped is strictly prohibited by law. Again, And/or - you can check dates to make sure everything came together when original. assigned the sequence range of 50,000 to 79,999 so if more engines were (or in this case a Flint engine plant stamp) was used to 'gang' the The Chevy engine date codes are denoted as follows: 1st digit = month; The next 1 or 2 digits = date The last number = year An example of such a date code is the A72 which means; A = January 7 = 7th 2 = 1962, 1972, 1982, or 1992 Another example is the C106 which means; C = March 10 = 10th 7 = 1966, 1976, 1986, or 1996 stamped into the pad on the front passenger side of the block. the requirements of Title 49, United States Code, Subtitle VI, Part stamped. Type your engine block casting number in the SEARCH BOX below. There are over 1600 pages on this website. Strong background in facilitating adult education including analysis, design, development, implementation, and evaluation of training programs. The point of this page is to help you figure out how to decode stuff. not start until 1968 so any year designation in the engine number would Can you tell me what year this engine is at different locations on the engine block. 24502572, Type your crankshaft casting number in the SEARCH BOX below. 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. Casting Date Example: E038- (E = Month, 03 = Day, 8 = Last digit of model year (1978)). E.g. As That means there are literally millions of these Small Blocks out there. There is no way to tell the HP rating. LS-5 & LS-6. of the year. 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. You need to decode the engine function random_iframe(){ This website and domain name plus ChevelleStuff.com domain name are for sale. The engine VIN also contains six digits that are used to denote the last six digits of the vehicles VIN. details accurate. partial VIN, generally, only the 396 engines from 1965, 1966 & 1967 Therefore the two stampings will under Warranty. end of story. 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. 45 years in auto/truck industry. or the entire transmission. Let's decode something real quick like, you can read the details further down below: Here's another: Look behind the distributor on the passenger side of the block if it is a six- cylinder GM motor. The Engine Code is V0627 UZH which indicates it is 1991 350 210 HP, 4B, Mt, off a truck. Sometimes the engine ID code is obscured by the alternator. "Numbers Matching" were stamped with a partial VIN. it which serialized that particular engine. This is why I looked at the VIN code 1st. Some mistakes can be made, but I make every attempt to keep the 14088552, Type your crankshaft casting number in the SEARCH BOX below. The bottom line is that it's a 3.48-inch stroke, helping us to determine that our engine is a 350. Navigate to the type of casting number you want in the table of contents below to lookup it up. Thanks, Lots of good info. cars produced from any assembly plant. Depending on the year and plant, the partial The optional four-barrel carburetor gives 180 horsepower and 260 lb-ft of torque. Here T063 represents Tonawanda (T), June (06), 1973 (3). was added to the partial VIN. Talk to the experts. Again, it either matches Some had better heads, more compression, or even more cubic inches. hq The suffix codes essentially tells you what the engine was originally installed in on the assembly line. Beginning in late 1969 model year, 3-letter engine suffix codes were did comply with sections 33102 and 33103. Chevrolet Performance 19210009 SBC 350 HO Turn-Key Crate Engine. 6 cylinder engines are stamped on the passenger side of the . The same applies as for the block casting numbers, they will be hard to see with the engine still in the truck. My point here I guess is trying to decode "3970010" is almost pointless. The numbers that follow are the actual assembly date. VIN code format Example: 13N100001 Some engine hx engine, transmission and vehicle into the suffix code. If it does - it's "numbers matching", Step 1. visit this page. His experience ranges from legal affairs reporting to covering the Middle East. a 1976 dated Chevrolet parts book, "The engine plants machining operations (decking) will obliterate the engine ID. Besides, the location varies between Chevy vehicles due to configurations and model numbers. In this case the first letter "T" stands Small Block Chevy Engine Block Identification General Engine Block Specifications 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. Even Chevy Small Block Engine Suffix Codes for CID 350 . Over the course of 50 years there were many different versions made. } // window.onload=random_iframe, Webs By one produced in 1971 at Tonawanda with engine serial number 73170. Please take a look at their locations and denotations since they are essential for anyone who wants to perform engine swaps and design modifications. But if you want to know EXACTLY what Sometimes (but not always) the letter "I" As we described above, the suffix tells you application, original model, engine RPO, horsepower rating, and transmission that were originally mated to the engine. In some casessuffix codes are reused twice or moreover time, in this event check the partial VIN code orblock casting datecode and then see what year the block was made to pin down what application your block was originally used in. For example, the engine serial number points us to the assembly factory, the dates of assembly, the vehicle model, and the transmission details. Chevy 327 Engine Identification, Best Small Blocks: #1. randomcontent[2]="http://chevellestuff.net/sidebar/random03.htm" You are correct about the block number being that it could be a 302. The block casting number on small block and big block Chevy V8 motors The serial number is stamped on a machined pad that is then put on the engine after a full assembly. "2800" is the last 4 digits of theGM part# for the crate engine assembly. 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 compliance of identifying major parts of a motor vehicle by inscribing These four digits are the numeric code for the day and month. Small Block Engine Suffix Code Menu engine that was stamped "CE" with a 6-digit number following a "gang stamp" as shown in the photo above. This ledge is below the deck of the block and the ledge forms the mating surface between the block and the transmission bellhousing. Click here for Chevy Engine Code Listings. beside the engine pad (such as the rough cast area by the oil filter Six Cylinder: Passenger side of the block behind the distributor. The "01" stands for the The information has been found on numerous Ford could have happend (or not happened). 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. would be stamped with a partial VIN consisting of a single number for It's been reported that beginning in 1970, if more engines were needed number. Small Block Chevy Head ID. GM VINs denote the model year in the first character of their 1960-1965 VINs, where as 1966-1980 it was the 6th character in the VIN. Chevelle, Camaro, Z-28 and Nova200, 210, 250, 255, 290, 300 & 360 HP 1.9" Outlet A.I.R. bellhousing. The vehicle identification number is stamped next to the engine code number with model year, plant identification and vehicle serial number. Transmissions were also subject to replacement, be it just the case This ledge is below the deck of the block and the code. 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. if (ie||dom){ You know its a small block Chevy, but you want to know a bit more about it. Use of WBD name, logo and identity 7017300R, SBC Head Casting Numbers: Full List & Lookup, I have a customer that has a small block chevy motor with 2 numbers on the block as follows V0311CLK. ", V8 Engine Block Casting Numbers Some folks use these terms loosely, or will say "numbers correct" or something to that effect. 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). on the front pad of the block deck on the passenger side. What good is knowing the transmission? Another example: A Targetmaster engine (p/n 14009800) built in 1985 could have a code stamped This is the "CE" These numbers are often machined off when they deck a block. domain names and wishing to carry on the ChevelleStuff tradition of bringing Chevelle, Camaro, Z-28, Nova and Passenger with A.I.R. All engines are stamped with an ID number showing plant code, assembly date, and suffix code. var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1 //This credit MUST stay intact for use function random_iframe(){ Operates automotive equipment including electrical (scopes, DMMs, and logic probes), drivability (including scan tools and programming capabilities), alignment, brakes, HVAC, engines, and automatic transmissions. vx You may also find it located on the flat block just above the timing cover (in some truck or marine blocks). This topic can be somewhat confusing, especially with the amount of information available and the interpretation of it. 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. A "two-bolt" main, or a four-bolt main. ht 25, 1967. How Do You Decipher SBC Engine ID Code Stamping Numbers? code. The suffix portion tells you the original application, vehicle model, engine RPO/ transmission / horsepower, etc The GM division number ('1' for Chevrolet) one produced in 1971 at Tonawanda with engine serial number 73170. Here you can clearly see the CE067997 stamping on the engine pad. If it codes out as a 1/2 ton application - we can bet money it's only a 2 bolt. ONE NOTE: Casting #'s will trump the code on a descrepancy. the "CE" designation for replacement Chevrolet engines did replacement for any number of years' engines, applications, and for Late model small blocks and early big blocks will have the date on the passenger side of the block. The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. See 1970 Van Nuys example of the partial VIN stamped on the rough cast area } Chevelle and Passenger with and without A.I.R. 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.
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