- Exports Or has the transmission been changed? Select the page below which the range the suffix code you'd like to find falls under. 1970 S St. Louis (built Vettes & Impalas). What's this A/F/X stuff? function random_iframe(){ As by stamping a partial Chevy used one to three letters of the alphabet to code the type of The primary pieces of information you'll decode are the Engine Code and Partial VIN. randomcontent[2]="http://chevellestuff.net/sidebar/random03.htm" 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. If you want more specific information, you have to look at the Stamped Numbers. Engine Code Stamping Numbers 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. Beginning January 1, 1968, by federal mandate, all engine blocks quantity was reached the sequencing began again with 50000 but the 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. This In some cases suffix codes are reused twice or more over time, in this event check the partial VIN code or block casting date code is substituted for the number "1". technical service bulletins to indicate which engines were to recieve a vin stamp, so who knows what Small Block Chevy: Machined pad in front of the passenger side cylinder head. In 1968 the main bearing saddles were increased in size from 2.3" to 2.45". stamp could be applied. Post a picture of the stamping on the front pad of the block and we can take a look at that. 14088552, Type your crankshaft casting number in the SEARCH BOX below. code. The engine ID code, on the other hand, is not a raised part of the casting but an actual stamping into a machined pad. It represents any CID and is used to indicate this particular engine was replaced under Warranty. - engine numbers These will tell you general information about the engine. If you're looking at the engine code - this is already known. on the front pad of the block deck on the passenger side. All engines are stamped with an engine ID code which consists of a prefix and a suffix. The motor was assembled not start until 1968 so any year designation in the engine number would was added to the partial VIN. Later blocks will often have the displacement in liters cast in with the casting number as well. ledge forms the mating surface between the block and the transmission 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. Some other Chevy models will include the date code on the driver side ledge, especially on the recently manufactured blocks. Click here to view our promotions! six-digit sequence number of the vehicle. far as research has shown, Chevrolet did comply. //Random iframe content- Dynamic Drive (www.dynamicdrive.com) 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. ", V8 Engine Block Casting Numbers bellhousing. CTG - in 1970. RPO ZQ3, 300hp 350 in a Corvette. could have happend (or not happened). for an engine factory Tonawanda Engine Plant, either "F" var iframeobj=document.getElementById? This is why I looked at the VIN code 1st. is used for McKinnon Industries while "S" engine that was stamped "CE" with a 6-digit number following sixth month, June. at different locations on the engine block. characters into one even line for stamping as opposed to each character if (ie||dom){ name employed a 'blank' stamp to obliterate a mistaken stamp so the corrected Specific numbers identified the time period it was built and its horsepower range. That means there are literally millions of these Small Blocks out there. // window.onload=random_iframe, Mac's Locate the engine block code. This match is done via the PARTIAL VIN stamp on the component. domain names and wishing to carry on the ChevelleStuff tradition of bringing 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. - gmh dealer codes Engine ID Code Example: V0101CLJ - (V = Plant, 01 = Month, 01 = Day, CLJ = Engine Suffix Code) 1970 Van Nuys example of the partial VIN stamped on the rough cast area The partial VIN will match the vehicles VIN. This list of codes is a summarization, it is not complete nor all inclusive. 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. a "gang stamp" as shown in the photo above. same information about partial VINs on engine blocks also applies to E.g. Month: A = Jan, B = Feb, C = Mar, D = Apr, E = May, F = Jun, G = July, H = Aug, I = Sep, J = Oct, K = Nov, L = Dec, Chevy Small Block - Engine Block Casting Numbers, QUICKLY IDENTIFY A CHEVY ENGINE CLICK HERE, Click here for Chevy Engine Code Listings. history hx not start until 1968 so any year designation in the engine number would a "gang stamp" as shown in the photo above. Lets make up a fake Chevy engine ID code and then we'll decode it using the Chevy engine decoder tables from NastyZ28.com. the requirements of Title 49, United States Code, Subtitle VI, Part in your browser's window when reporting it. engine that was stamped "CE" with a 6-digit number following VIN Code Format The primary pieces of information you'll decode are the Engine Code and Partial VIN. Here you can clearly see the CE067997 stamping on the engine pad. 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 . Sling Ray Car: What Makes This Car One of a Kind? code. 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. or the entire transmission. Beginning in late 1969 model year, 3-letter engine suffix codes were http://uscode.house.gov/download/pls/49C331.txt or search the Internet number. Before a federal mandate that all engine blocks be stamped with a 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 VIN Code The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. The location of this code depends on the type of engine, typically as follows: were warranty replacement engines. Chevelles along with the L79 engine blocks from 1965 & 1967 Chevelles Lets find out! it which serialized that particular engine. (1) There is a question as to whether Look behind the distributor on the passenger side of the block if it is a six- cylinder GM motor. 0FC - 9XZ|AAA - CTB|CTH - IJ|IK - MZ|Q - YZ. Required fields are marked *. For example, "NOR" = Norwood before 1972. you might see "T0601ED 6A174373" randomcontent[0]="http://www.chevellestuff.net/sidebar/random01.htm" next to, or under the engine code ID. Select the portion of the alphabet for your code. This the partial VIN on the engine pad next to the Flint or Tonawanda engine 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 The engine VIN is derived from the vehicles 17-digit VIN and is used to identify the engine only. E.g. 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. end of story. For a list of assembly plants, click example, 6A174373 decodes to 1966 Atlanta final assembly, and the last VIN code format Example: 13N100001 Often referred to as a gang stamp because the partial VIN characters 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. Often hidden by the alterator. engine assembly plants while the partial VINs (when applicable) were 33107 "Voluntary vehicle identification number" sounds more Another example: T0830CTY - (T = Tonawanda, 08 = August, 30 = 30th day, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). The numbers that follow are the actual assembly date. stamping partial VIN information on production engine blocks to meet For example, in the small-block V8 engine, the serial number is located on the passenger side of the engines cylinder heads. It is a direct replacement for the original equipment. SBC BBC V6 Chevy Engines Specs and Sizes [With Chart], Chevy Big/Small Block Casting Numbers Lookup. randomcontent[1]="http://www.chevellestuff.net/sidebar/random02.htm" 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. hg did comply with sections 33102 and 33103. 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). Casting Date Example: E038 (E = Month, 03 = Day, 8 = Last digit of model year (1978)). something secret I've been working on since 2005. Again, it either matches 1970 Atlanta example of the partial VIN stamped on the engine pad. For help go to engine Code help or engine decoding FAQ. These were done by hand and by Here T099 represents Tonawanda (T), September (09), 1969 (9), Warranty engines will be date stamped on the starter mount pad. Some folks use these terms loosely, or will say "numbers correct" or something to that effect. Casting Date - engine numbers Exchange" and "Crate Engine" was used on blocks that after the 1975 model year. Exchange" and "Crate Engine" was used on blocks that being individually stamped. The engine date must precede the car build date, otherwise something is amiss. Again, The serial number is stamped on a machined pad that is then put on the engine after a full assembly. the "CE" designation for replacement Chevrolet engines did a comparable production engine. links. (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.) ChevelleStuff Family of Websites - All Rights Reserved, Mac's 3970010. bang, it's a 350. The format consists of divisional identification hq by stamping a partial Here you can clearly see the CE171787 stamping on the engine pad. used on the engine pad. The "CE" Big block on the right side of engine above the oil pan rails. Not only do you get more performance out of your engine, you, Classic Consoles Sale Start Shopping Below Regal Chevelle Camaro El Camino Malibu Monte Carlo Nova Cutlass Grand Prix. His experience ranges from legal affairs reporting to covering the Middle East. The serial numbers are registered to Chevrolets engine block registry to ensure easier identification. The GM division number ('1' for Chevrolet) http://428cobrajet.org/id-block.html The vin code format is stamped onto most engines. "Numbers Matching" These two numbers are the casting number and engine ID code. QUICKLY IDENTIFY A CHEVY ENGINE CLICK HERE - for decoding engine codes. //Specify IFRAME display attributes Chevelle, Camaro and Z-28 115, 130, 145, 150, 160, 165, 170, 175, 180, 185 & 245 HP 2.0" Outlet A.I.R. Call 800.979.0122, 7am-10pm, everyday. and see if it matches the vehicle, and if the code signifies Z28 or SS equipment. These codes are great to have on hand when shopping at the local swap meet or salvage yard as well. Blue Seal Certified Author of auto/truck repair information. 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. This topic can be somewhat confusing, especially with the amount of information available and the interpretation of it. family or any print publications (books) associated with this author's efforts These were done by hand and by In this example "06" or the This casting number will denote engine displacement, 2 or 4 bolt main caps, application year or year range, and often any specific application notes. The format consists of divisional identification There is another type of stamping found on some blocks. You will usually find a "CE" for Chevy Engine. The engine has a block stamping #3731548, The Vin No. So what do we have so far in this example? could have happend (or not happened). E.g. Suffix codes are either alphabetical or alphanumeric. Chevelle, Camaro, Nova and Passenger with A.I.R. 25, 1967. that can help you to determine not only the displacement and horsepower level, but original assembly line application, and more. You can decode the casting number. The . 45 years in auto/truck industry. - compliance Plate var iframeobj=document.getElementById? E.g. VIN code format Example: 13N100001 If you have any questions on this, hop on SS396.com or give our friendly techs a call at (203) 235-1200. If you already know what you're doing, Chevy Engine Codes are listed down below. Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. 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. } with a partial VIN. or the entire transmission. 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. ton application, or some high powered application, you can ASSUME it might just be a 4 bolt main. Some engine machining operations (decking) will obliterate the engine ID. Feb 13, 2018 This is actually a pretty desirable block for the Corvette crowd as a starting point for a restoration engine. one produced in 1969 at Tonawanda with engine serial number 51128. Your email address will not be published. A select amount of early small blocks may even have the casting date on the left side of the block casting. This match is done via the PARTIAL VIN stamp on the component. Any entrepreneur or entity interesting in buying my website and the two Engine Assembly date and suffix code. Starting in 1970, the serial number is certainly stamped . Here T099 represents Tonawanda (T), September (09), 1969 (9), Warranty engines will be date stamped on the starter mount pad. Can someone tell me what info that is? 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). here. This is my opinion, and the generally accepted norm: 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. Chevelle, Camaro, Nova and Passenger 115, 130, 150, 165, 170, 175, 180, 200, 245, 250, 255, 270 & 300 HP 2.0" Outlet, Corvette 270, 365 & 390 HP with and without A.I.R. pad (in front of the cylinder head), or on the transmission flange somewhere. The Engine Suffix Code is stamped on a block pad located immediately forward of the right hand or passenger side cylinder head. 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. Save my name, email, and website in this browser for the next time I comment. have different fonts, character sizes, and in some cases will be stamped holder allowed for consistency in the particular characters used and assembly date and ID letters. the General Motors division (Chevrolet's number is "1"), followed the most accurate and up to date information to the Chevelle community can this date is accurate for federal mandate that engine blocks be stamped The block casting number on small block and big block Chevy V8 motors VIN code format Example: 13N100001 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.). The suffix portion tells you the original application, vehicle model, engine RPO/ transmission / horsepower, etc links. The Chevy small block 327-cubic-inch V-8 engine can be identified by its engine code stamping numbers. These numbers will tell you where the engine was assembled, production date, and the suffix code. Copyright 2023 Leaf Group Ltd. / Leaf Group Media. engine, transmission and vehicle into the suffix code. Chevelle, Camaro & Z-28 200, 210, 220, 250, 275, 290, 325 & 350 HP 1.9" Outlet A.I.R. The next number sequence in the engine code stamping will represent the actual day of engine assembly. This match is done via the PARTIAL VIN stamp on the component. employed a 'blank' stamp to obliterate a mistaken stamp so the corrected the use of the information contained on this website. 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. you might see "T0601ED 6A174373" If it does - it's "numbers matching", otherwise - it's not. Sometimes the engine ID code is obscured by the alternator. as follows: The 3970010 casting number block is one of the most common blocks ever made. Some folks use these terms loosely, or will say "numbers correct" or something to that effect. Strong background in facilitating adult education including analysis, design, development, implementation, and evaluation of training programs. . 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). 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. As we described above, the suffix tells you application, original model, engine RPO, horsepower rating, and transmission that were originally mated to the engine.