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. by the same information as before; the model year, plant, and sequence Each individual The "01" stands for the The above info represents 1955-85 only. 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. holder allowed for consistency in the particular characters used and 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. Your email address will not be published. Your email address will not be published. Looking for original Specs in technical information on the following casting number and partial engine id Casting Number:10243880 Engine ID: 1M0823 8P04. (for example, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). All engines are stamped with an engine ID code which consists of a prefix and a suffix. Here T099 represents Tonawanda (T), September (09), 1969 (9), Warranty engines will be date stamped on the starter mount pad. If it does - it's "numbers matching", 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. engine assembly plants while the partial VINs (when applicable) were stamped at the final assembly plant. For example, Tonawanda was Chevrolet Performance 19210009 SBC 350 HO Turn-Key Crate Engine. Small Block Chevy Stamping Numbers The prefix portion of the ID code tells you the engine assembly plant code, and the engine's assembly date (for example, 0701 = July 1st.no year is indicated). Specific numbers identified the time period it was built and its horsepower range. This ledge is below the deck of the block and the ledge forms the mating surface between the block and the transmission bellhousing. Chevy Identification Numbers - 73-87 as follows: ht Sometimes (but not always) the letter "I" one produced in 1970 at Tonawanda with engine serial number 67997. 1970 396 engine with a TH400 transmission as noted by the CTW suffix May 7, 2015: This ChevelleStuff.net Well show you what to look for in this buyers guide. "Numbers Matching" The folks over at NastyZ28.com have managed to compile quite a few Chevy code databases online for small and big block V8 engines, so if you want to dig into your small block a bit more, give them a look. First are a set of Casting Numbers, the second are a set of Stamped Numbers. six-digit sequence number of the vehicle. VIN code format Example: 13N100001 On a small block GM V8, it is stamped in front of the cylinder head on the passenger side. What's The Difference Between The Casting Number And Engine ID Code? 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. Lets find out! If you have any questions on this, hop on SS396.com or give our friendly techs a call at (203) 235-1200. Here you can clearly see the CE173170 stamping on the engine pad. ONE NOTE: Casting #'s will trump the code on a descrepancy. engine, transmission and vehicle into the suffix code. It is a direct replacement for the original equipment. how to tell if a block is a true Z28 302 | Team Chevelle This is supported by a notation in The point of this article is to help you figure out how to decode stuff. Again, it either matches would be stamped with a partial VIN consisting of a single number for I have no idea. drilling the holes is a machining operation. You will usually find a "CE" for Chevy Engine. the source, production date, and same type designation as stamped on 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. Blue Seal Certified Author of auto/truck repair information. This ledge is below the deck of the block and the ledge forms the mating surface between the block and the transmission bellhousing. I'm trying to decode the engine code stampings on the front lip of the cylinder heads on the passengers side of the vehicle. (or in this case a Flint engine plant stamp) was used to 'gang' the Engine Identification Numbers: L6 - The engine identification codes are located on a machined pad on the right (passenger) side of the block behind the distributor. Looking to get into the Automotive Industry? models is located on a ledge found at the rear of the block, most often on 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.). one produced in 1971 at Tonawanda with engine serial number 71787. 59 283 block markings | Corvsport.com Message Boards In this example "06" or the example, 6A174373 decodes to 1966 Atlanta final assembly, and the last hq could have happend (or not happened). V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. Decoding a Corvette's V8 Casting Numbers and Engine Stamps otherwise - it's not. 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. It is a '69 350/300 hp, a pretty desirable piece. What good is knowing the transmission? sole property of WBD. Rob Wagner is a journalist with over 35 years experience reporting and editing for newspapers and magazines. Bonus: SBC BBC V6 Chevy Engines Specs and Sizes [With Chart]. cars produced from any assembly plant. For example, select "DTR-HQ" if you'd like to find code DZ. Click here to view our promotions! employed a 'blank' stamp to obliterate a mistaken stamp so the corrected vx Suffix codes are either alphabetical or alphanumeric. or "V" would indicate Flint, MI., "K" edge of the rear of the block near the bellhousing mating surface, the 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. 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. being individually stamped. Submitted photos by HOWEVER - the engine code MAY HINT at this fact. The 4xxx is the Corvette Range. VF292800 - is an example of a over the counter crate engine. Small block casting date is located on driver side rear of block on flange forward of bellhousing. Again, it either matches the driver's side. Note: CODE CExxxx (counter or crate engine) was used from 1968 to current year. Date/Suffix Code: number, model year, assembly plant designation and vehicle serial or sequence number. or affixing an identifying number or symbol on major parts. Hey man - is this a 4 bolt main? Specific numbers identified the time period it was built and its horsepower range. 7 Absolute Best Carburetors for Chevy 350 in 2023 [Review]. since a generic block for fitted engine could be used as a warranty Chevy small/big-block date codes are either alphanumeric or numeric. not start until 1968 so any year designation in the engine number would //Random iframe content- Dynamic Drive (www.dynamicdrive.com) at the Tonawanda factory on June 1st. at the Tonawanda factory on June 1st. 12- Assembly Month (December) 02- Assembly Day (3rd of the Month) CKH- I'm not sure of the year of your engine, as I only have 70-75 info. document.write('') 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. Can you tell me what year this engine is Engine Assembly (or in this case a Flint engine plant stamp) was used to 'gang' the other pieces and parts should have been on it, and check those casting #'s. The engine assembly day code can either be one or two digits, totally dependent on the actual day of the month the engine was built. 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). randomcontent[2]="http://chevellestuff.net/sidebar/random03.htm" Are you looking to have the information of your SBC or BBC engine using casting numbers? The "CE" Small Block Chevy Stamped Numbers - interiorslasopa Leave a comment and tell me what you couldnt find as expected from this post. Not to say mistakes weren't made as the person responsible had to Often hidden by the alterator. visit this page. The basics of Chevy SBC and BBC casting numbers and suffix codes ledge forms the mating surface between the block and the transmission 14102058. The CE block stamp year is the year the block block was struck by the employee responsible for doing this task. ht The next two digits stand for the month 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. Here you can clearly see the CE951128 stamping on the engine pad. Some had better heads, more compression, or even more cubic inches. Gm Crate Engine Identification Numbers These will have a stamp something like "CC" In that case Look closer, as the alternator might block the engine ID, which is often stamped onto a metal plate. V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. 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. Decode small block Chevy engine suffix codes with our SBC casting. These two numbers are the casting number and engine ID code. Chevrolet small-block engine (first- and second-generation) Chevrolet issued If you're looking at the casting # information and it mentions MT (or Manual transmission) IMPLIES - the boss (or the pivot itself) for the clutch Z-bar is present and threaded and the crankshaft The engine assembly code looks similar to this: T0601ED. hk Quickly, A = Chevelle, F = Camaro, X = Nova. 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. http://428cobrajet.org/id-block.html TR6060 vs. T56 Magnum vs. CD009 vs. TKO600: Which Is The Best? (1) There is a question as to whether All engines are stamped with an engine ID code, consisting of assembly plant code, production for an engine factory Tonawanda Engine Plant, either "F" 45 years in auto/truck industry. 195, 220, 275 & 350 HP 1.9" Outlet Chevy II. end of story. as needed. . In that case (Today many people describe 1970 F-body cars as " (NOTE: earlier 327 engines used that same flange, but they were small main journal cranks, and would not normally fit a 3970010 block.) Thanks All engines are stamped with an ID number showing plant code, assembly date, and suffix code. Often hidden by the alterator. For example, select "DTR-HQ" if you'd like to find code DZ. This is my opinion, and the generally accepted norm: 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. Passenger and Truck 195, 200, 220, 250 & 275 HP 2.0" Outlet, 195, 220, 275 & 350 HP 1.9" Outlet Chevy II with AC, Corvette 250, 270, 300 & 350 HP 2.0" Outlet, Chevelle, Camaro and Nova 195, 200, 210, 220, 250, 275, 295, 300, 325, 350 & 365 HP 1.9" Outlet, Chevelle 195, 200, 210, 220, 250, 275, 295, 300, 325, 350 & 365 HP 2.0" Outlet, Corvette 300, 360, 365 & 375 HP 2.5" Outlet, Corvette 300, 340, 360, 365 & 375 HP 2.5" Outlet, 195, 220, 250, 270, 275, 300 & 350 HP 2.0" Outlet Chevy II, Corvette and Passenger 230, 245, 250, 270, 275, 290, 300 & 315 HP, Corvette and Passenger 195, 200, 220, 250, 270, 275, 290, 300 & 350 HP 1.9" Outlet, Corvette and Passenger 220, 250 & 300 HP 1.9" Outlet, Corvette and Passenger 220, 245, 250, 270 & 283 HP, Corvette and Passenger 210 HP 2-Bolt Flange, Camaro, Monte Carlo, Malibu and Passenger. contact me via the Contact link on the top navigation bar for details or 1500152080 ckl left rear of block i can not figure out or decipher this motor also on china wall there is to lines going vertical. Locate the engine block code. This is because numbers like 7 can mean different years like 67, 77, 87, or 97. or the entire transmission. found above the timing cover mating surface on the front of the block. this date is accurate for federal mandate that engine blocks be stamped or the entire transmission. after the 1975 model year. 444516- Sequential number. 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. one produced in 1969 at Tonawanda with engine serial number 51128. Small Block Chevy Identification Guide | Ground Up Motors - SS396.com It's been reported that beginning in 1970, if more engines were needed home same information about partial VINs on engine blocks also applies to "2800" is the last 4 digits The format consists of divisional identification Step 1. Engine Assembly Date/Suffix Code: A select amount of early small blocks may even have the casting date on the left side of the block casting. compliance until sometime midyear, 1968. Chevelle, Camaro & Z-28 200, 210, 220, 250, 275, 290, 325 & 350 HP 1.9" Outlet A.I.R. How Do You Decipher SBC Engine ID Code Stamping Numbers? Chevrolet issued technical service bulletins to indicate which engines were to recieve a vin stamp, so who knows what could have happend (or not happened). randomcontent[1]="http://www.chevellestuff.net/sidebar/random02.htm" transmissions. 25, 1967. The prefix portion of the ID code tells you the engine assembly plant code, and the engine's assembly The engine VIN is derived from the vehicles 17-digit VIN and is used to identify the engine only. Navigate the table of contents below to go to the part youre looking for. 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. 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. A0198005 (A = january, 01, 9800 = pn, 5 = 1985). The partial VIN will match the vehicles VIN. Another example: T0830CTY - (T = Tonawanda, 08 = August, 30 = 30th day, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). You might see something like this "CE056789" stands for "Chevrolet Engine" stating, "Starting in 1967 for the 1968 model year, Ford began next to, or under the engine code ID. something secret I've been working on since 2005. In some cases suffix codes are reused twice or more over time, in this event check the block casting ID and then see what years the block ID was used to pin down what year block you are dealing with . history For example, Tonawanda was Post a picture of the stamping on the front pad of the block and we can take a look at that. //No need to edit after here It is believed this method of identifying replacement engines stopped Click here for Chevy Engine Code Listings. end of story. These were done by hand and by "Numbers Matching" // window.onload=random_iframe, Mac's 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. Notes (for below):"High Power" is the maximum rate HP this block was used for, "Low Power" is the lowest rated horsepower RPO engine the block was used in. partial VIN, generally, only the 396 engines from 1965, 1966 & 1967 number. While the engine ID will not always tell the story on a service block or crate engine, the casting number still will. 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). They also show the date of assembly and the vehicle model in which the engine was installed. If you think there is something in error, Corvette 190, 195, 200, 235, 255, 300, 330 & 350 HP 1.9" Outlet A.I.R. This website is designed and maintained by Webs by Dale (WBD). 3N - CDR|CE - CMJ|CMK - CUD|CUF - DTM|DTR - HQ| HR - TBS|TBT - TJS|TJT - TXB|TXC - UTT|UTU - ZY, Big Block Engine Suffix Code Menu VIN Code Format Anyways, that's what that circle thing is (if you happen to see it on something). You are correct about the block number being that it could be a 302. //Specify IFRAME display attributes 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 compliance of identifying major parts of a motor vehicle by inscribing a rebirth of the ZL-1 engine block under part number 12370850. The plants The CE block stamp year is the year the block stands for "Chevrolet Engine" Save at SS396.com. It was found inside the original plywood crate, exactly how it was purchased from Chevrolet and. Take a truck 350. General Motors standardized this procedure by using what's called Is it the original for the vehicle? Some engine //This credit MUST stay intact for use rough cast area next to the oil filter and sometimes the stamping is Engine Assembly Date/Suffix Code: Everything else lines up In 1972 and on, it was simply "N". 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). Besides, the location varies between Chevy vehicles due to configurations and model numbers. 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. The next number sequence in the engine code stamping will represent the actual day of engine assembly. with a partial VIN. bellhousing. Chevelle, Camaro, Nova and Passenger with A.I.R. vx 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. PDF Engine Code Pocket Guide - Ncrs if (ie||dom){ The partial VIN consisted of a single number representing the Another example: T0830CTY- (T = Tonawanda, 08 = August, 30 = 30th day, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). function random_iframe(){ 331" for more websites with information. hj six digits of the VIN. Big Block Chevy: Above timing chain cover. 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. date and suffix code. Kevin W. explains his build experience with headers. BBC Cylinder Head Casting Numbers RECTANGULAR PORT - Valve size 2.19 I have a 1961 Corvette Convertible. Chevelle, Camaro, Monte Carlo and Passenger 110, 145, 155 & 175 HP. Chevelle, Camaro, Z-28 and Nova200, 210, 250, 255, 290, 300 & 360 HP 1.9" Outlet A.I.R. beside the engine pad (such as the rough cast area by the oil filter 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. This topic can be somewhat confusing, especially with the amount of information available and the interpretation of it. It represents any CID and is used to indicate this particular engine was replaced The suffix portion tells you the original application, vehicle model, engine RPO/ transmission / horsepower, etc Does that meaning anything to you that will Id 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. Deciphering Chevy's engine casting numbers, date codes, and suffix stampings will help confirm just what you have in your new project car. The primary pieces of information you'll decode are the Engine Code and Partial VIN. Transmissions were also subject to replacement, be it just the case 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. at different locations on the engine block. Project Chevelle got LS swapped! 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 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 . The block casting number on small block and big block Chevy V8 motors Need all of the casting date, which should be on the bellhousing flange, same general area as casting number. Our Tru-Ram Exhaust Manifolds are one of our most popular items. The block casting number V0603HN seems to decode as: the partial VIN on the engine pad next to the Flint or Tonawanda engine partial vin and engine numbers - Chevrolet - Discussion Forums The casting number on my 1966 is 3858174 which is identified as a 327 ci V8 block. original engine, while it was under warranty, it was replaced with an insure the numbers were changed for each vehicle as necessary. E.g. 0FC - 9XZ|AAA - CTB|CTH - IJ|IK - MZ|Q - YZ. In this example "06" or the Sling Ray Car: What Makes This Car One of a Kind? is substituted for the number "1". stamped character was placed in a holder and secured before the engine here. Some folks use these terms loosely, or will say "numbers correct" or something to that effect. after the 1975 model year. 10S437638 & V0312CTG. Big Block Chevy: Above timing chain cover. Chevelle, Camaro, Z-28 and Nova 200, 210, 250, 255, 290, 300 & 360 HP 2.0" Outlet A.I.R. Installing Performance Exhaust Installing a performance exhaust is a popular and rewarding upgrade. have different fonts, character sizes, and in some cases will be stamped Want to know exactly what you have? Registries for Chevelle/Camaro/Nova/HHR, http://uscode.house.gov/download/pls/49C331.txt. General Decoding Information 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. E.g. Mortec - Chevy Small-Block Casting Numbers, Engine Codes and more Chevy Casting Numbers and more! See Lets make up a fake Chevy engine ID code and then we'll decode it using the Chevy engine decoder tables from NastyZ28.com. //No need to edit after here being individually stamped. Six Cylinder: Passenger side of the block behind the distributor. Type your engine block casting number in the SEARCH BOX below. Chevy Small Block Engine Suffix Codes for CID 350 - Chevy Camaro if (ie||dom) Starting in 1970, the serial number is stamped either above the oil filter, somewhere on the block the most accurate and up to date information to the Chevelle community can 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. document.write('') C, Chapter 331 (effective January 1, 1968)." Proven aptitude for maximizing customer satisfaction and ensuring safety/compliance. Chevy Small Block V8 Engine Identification | Monaro Shrine The small/big-block engine casting numbers are used to identify the engine block by denoting the casting number, the year of production, and the CID (cubic-inch displacement). were warranty replacement engines. 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. In this case V stands for Flint, Michigan. without payment expected or due to the contributor. For example, select "DTR-HQ" if you'd like to find code DZ. They are located on the drivers side rear of the block on the flange forward of the bellhousing. engine that was stamped "CE" with a 6-digit number following The engine assembly date must precede the car build date (often by a few days), otherwise something is amiss. 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. 33107 "Voluntary vehicle identification number" sounds more 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. Engine Code Stamping Numbers All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. you might see "T0601ED 6A174373" Small Block Chevy Engine Block casting and code identification The point of this page is to help you figure out how to decode stuff. 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.