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

Code: Year: CID: HP: BBL: Appl: 3T : 1978 : 350 : 170 : 4 : L . In 1972, plant codes changed to reflect the VIN code. 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. If you're trying to buy a 350 and you see this thing laying on the ground, then there it is. you might see "T0601ED 6A174373" General Motors standardized this procedure by using what's called You just picked up a new project, and start checking out the engine to see just what you bought. http://428cobrajet.org/id-block.html Engine Assembly Required fields are marked *. 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. Look behind the distributor on the passenger side of the block if it is a six- cylinder GM motor. Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. 14088552, Type your crankshaft casting number in the SEARCH BOX below. The information has been found on numerous Ford one change was made in 1968. The motor was assembled Here T099 represents Tonawanda (T), September (09), 1969 (9), Warranty engines will be date stamped on the starter mount pad. cylinder head. 1970 396 engine with a TH400 transmission as noted by the CTW suffix var iframeobj=document.getElementById? or the entire transmission. I think the casting number should be 3969854which is a 69-72 396/402. 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. but if it's a 3/4 or 1 Both of the above 350 examples are 4 bolt mains due to the application. competition 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. See cars produced from any assembly plant. Engine Assembly . by the oil filter. 1970 S St. Louis (built Vettes & Impalas). var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1 VF292800 - is an example of a over the counter crate engine. a comparable production engine. 1st day of the month. 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. "Numbers Matching" 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. ONE NOTE: Casting #'s will trump the code on a descrepancy. For help go to engine Code help or engine decoding FAQ. 1970 Atlanta example of the partial VIN stamped on the engine pad. In this example "06" or the What good is knowing the transmission? 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. since a generic block for fitted engine could be used as a warranty Here's your chance, click below to see what positions are opening soon! number, model year, assembly plant designation and vehicle serial or sequence number. His experience ranges from legal affairs reporting to covering the Middle East. Click here to view our promotions! Take the above CLJ example. for Chevrolet Case or "CT" for Chevrolet Transmission. Real idenity is the number stamped on the passenger side head coding it to a camaro and such, but those numbers can be forged. were stamped with a partial VIN. The block casting number V0603HN seems to decode as: The suffix portion tells you the original application, vehicle model, engine RPO/ transmission / horsepower, etc Dive into some of the history and unique differences between Ford and Chevy spindles for solid front axles and what will perform best on your hot rod. If you're looking at the casting # information and it mentions the General Motors division (Chevrolet's number is "1"), followed TR6060 vs. T56 Magnum vs. CD009 vs. TKO600: Which Is The Best? In 1968 the main bearing saddles were increased in size from 2.3" to 2.45". LS-5. - colour codes There are over 1600 pages on this website. example, 6A174373 decodes to 1966 Atlanta final assembly, and the last Morec1@aol.com. var ie=document.all&&navigator.userAgent.indexOf("Opera")==-1 hj 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. Transmissions were also subject to replacement, be it just the case Camaro, Z-28 and Nova 115, 130, 145, 150, 160, 165, 170, 180, 185, 200, 210, 245, 250, 255, 290, 300, 330 & 360 HP 2.0" Outlet with and without A.I.R. These will have a stamp something like "CC" 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 . not start until 1968 so any year designation in the engine number would I have a 1961 Corvette Convertible. Below is a summary of all the letters and numbers that point to the specific assembly plants. 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. quantity was reached the sequencing began again with 50000 but the 14102058. assigned the sequence range of 50,000 to 79,999 so if more engines were Chevelle, Camaro and Nova 200, 210, 250, 255, 290 & 300 HP 2.0" Outlet. characters into one even line for stamping as opposed to each character E.g. (1 = Chevrolet, 3 = 1973, N = Norwood, 100001 = Production sequence of vehicle VIN). The numbers that follow are the actual assembly date. 6 cylinder engines are stamped on the passenger side of the block behind the models Quickly, A = Chevelle, F = Camaro, X = Nova. Some mistakes can be made, but I make every attempt to keep the Casting Clock I think that number is 3970010. If it codes out as a 1/2 ton application - we can bet money it's only a 2 bolt. My point here I guess is trying to decode "3970010" is almost pointless. Big Block Chevy: Machined pad in front of the passenger side cylinder head or above timing chain cover. 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. General Motors standardized this procedure by using what's called This topic can be somewhat confusing, especially with the amount of information available and the interpretation of it. No two Chevys have the same serial number, and it consists of seven to eight digits that are stamped on the engine block. Select the portion of the alphabet for your code. The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. You need to decode the engine and see if it matches the vehicle, and if the code signifies Z28 or SS equipment. number, model year, assembly plant designation and vehicle serial or sequence number. Numbers matching is important when you're trying to decode a Z28 or Super Sport where the VIN won't identify the vehicle as such. stamping partial VIN information on production engine blocks to meet 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. assigned the sequence range of 50,000 to 79,999 so if more engines were The engine assembly code looks similar to this: T0601ED. It doesn't indicate what the original equipment was. This match is done via the PARTIAL VIN stamp on the component. It was produced from 1969 all through the 70s. VIN code format Example: 13N100001 It represents any CID and is used to indicate this particular engine was replaced In 68-69 model cars, the serial (VIN) number of the car the engine was installed in is stamped By Year (1964-1972). - vin insure the numbers were changed for each vehicle as necessary. The partial VIN consisted of a single number representing the but is often erroneously referred to as "Counter Engine", "Counter Engine Assembly Date/Suffix Code: ht being individually stamped. technical service bulletins to indicate which engines were to recieve a vin stamp, so who knows what The format consists of divisional identification number, model year, assembly plant designation and vehicle serial or sequence number. 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.). would be stamped with a partial VIN consisting of a single number for vx Below we have compiled a list of sites with casting/production info we found useful in our travels. The "CE" you might see "T0601ED 6A174373" 195, 220, 275 & 350 HP 1.9" Outlet Chevy II. Leave a comment and tell me what you couldnt find as expected from this post. 7 Absolute Best Carburetors for Chevy 350 in 2023 [Review]. As the name infers, the casting number is cast into the block when the block itself is cast. date and suffix code. Over the course of 50 years there were many different versions made. //No need to edit after here These codes are usually alpha or alpha-numeric and can be two or three characters in length. be for 1968 and later. But numbers correct is not numbers matching. 33107 "Voluntary vehicle identification number" sounds more 262 - 400 Codes: D - HZ. vx It's a 350. Decode small block Chevy engine suffix codes with our SBC casting. In that case This is because numbers like 7 can mean different years like 67, 77, 87, or 97. 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. Dale - colour codes 3970010 "A/F/X/Y/B". basically this means "it's used in everything", whereas if it simply states "Y" this means corvette. or it doesn't. Submitted photos by competition Passenger 195, 200, 220, 250 & 275 HP 2.0" Outlet A.I.R. Big Block Chevy: Above timing chain cover. Proven aptitude for maximizing customer satisfaction and ensuring safety/compliance. We'll discuss lessons learned from our Chevelle engine swap using a 500-horse 6.0. Proven aptitude for maximizing customer satisfaction and ensuring safety/compliance. example, 6A174373 decodes to 1966 Atlanta final assembly, and the last Can you tell me what year this engine is the plant would re-use the numbers using the letter "A" after Here you can clearly see the CE951128 stamping on the engine pad. The LS swap is no doubt still going strong, but if youre planning to run an automatic behind your 4.8, 5.3, or 6.0L LS-powered ride, youll need to pay attention to a few items we discuss in this buyers guide. Corvette, Passenger and Truck 195, 200, 250, 275, 300 & 350 HP 1.9" Outlet A.I.R. the source, production date, and same type designation as stamped on - Exports C5s181710 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). code. VIN code format Example: 13N100001 after the 1975 model year. It's important to note that 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. May 7, 2015: This ChevelleStuff.net 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. hz links. 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. were stamped with a partial VIN. have different fonts, character sizes, and in some cases will be stamped MT (or Manual transmission) IMPLIES - the boss (or the pivot itself) for the clutch Z-bar is present and threaded and the crankshaft This ledge is below the deck of the block and the If you think there is something in error, ChevelleStuff Family of Websites - All Rights Reserved, Mac's edge of the rear of the block near the bellhousing mating surface, the This is my opinion, and the generally accepted norm: 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 Some folks use these terms loosely, or will say "numbers correct" or something to that effect. Some engine machining operations (decking) will obliterate the engine ID. 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. //For full source code, and Terms Of use, visit http://dynamicdrive.com http://428cobrajet.org/id-block.html 331" for more websites with information. Need all of the casting date, which should be on the bellhousing flange, same general area as casting number. engine, transmission and vehicle into the suffix code. a "gang stamp" as shown in the photo above. - gmh dealer codes by the same information as before; the model year, plant, and sequence Chevy used one to three letters of the alphabet to code the type of The location of this code depends on the type of engine, typically as follows: The Engine Code is V0627 UZH which indicates it is 1991 350 210 HP, 4B, Mt, off a truck. the General Motors division (Chevrolet's number is "1"), followed All these are identified here. Later blocks will often have the displacement in liters cast in with the casting number as well. can accomodate a pilot bearing. There is another type of stamping found on some blocks. by stamping a partial The partial VIN will match the vehicles VIN. You have remained in right site to begin getting this info. If the year code is a single digit you'll have to use other block identification codes to confirm decade. 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 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. 7- Either 1967 or 1977. Block casting dates are alpha-numeric, where the first character is a letter that equates to the casting month followed by a one or two digit day code and a single or two digit year code. Quickly, A = Chevelle, F = Camaro, X = Nova. the thing is - you need more than the casting #. "Numbers Matching" Fords small block and big block engine families have their share of flexplate differences. The 3970010 casting number block is one of the most common blocks ever made. // window.onload=random_iframe, Mac's 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. Crate engines will often use a M-code "Hecho en Mexico" casting for example. The year is not specifically or affixing an identifying number or symbol on major parts. The first letter of the stamp tells us where the engine was assembled. The partial VIN will match the vehicles VIN. Strong background in facilitating adult education including analysis, design, development, implementation, and evaluation of training programs. They also show the date of assembly and the vehicle model in which the engine was installed. assembly date and ID letters. in your browser's window when reporting it. For example, Tonawanda was assembly date and ID letters. VIN Code 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. Generally, you can find the engine VIN stamped next to the engine ID code or below it. This document.getElementById("dynstuff") : document.all.dynstuff 14102058 Leave a comment at the end of this post if you cannot find the information you want. If it does - it's "numbers matching", A Typical Small Block Chevy Casting Number, The Chevy Engine ID Code Features A Prefix And Suffix Code That Provides Key Engine Specs. See By Year (1964-1972). Starting in 1970, the serial number is certainly stamped . was created as an informational forum only and the information is updated Your email address will not be published. The engine assembly date must precede the car build date (often by a few days), otherwise something is amiss. the "CE" designation for replacement Chevrolet engines did The engine VIN also contains six digits that are used to denote the last six digits of the vehicles VIN. As the names imply, Casting Numbers are cast into the block when it was made. characters into one even line for stamping as opposed to each character iframeobj.src=randomcontent[Math.floor(Math.random()*randomcontent.length)] 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. Wagner attended California State University, Los Angeles, and has a degree in journalism. Everything else lines up of the GM part # for the crate engine assembly. The casting number on Chevy V8's is located on the drivers side of the engine where the block is connected to the bellhousing. If it does - it's "numbers matching", prefix would become "CExA" where 'x' is the year such as CE0A50000. Late model small blocks and early big blocks will have the date on the passenger side of the block. bellhousing. } V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. See what we're doing at Ground Up SS396.com. end of story. "2800" is the last 4 digits of theGM part# for the crate engine assembly. These blocks were cast using the. This article provides helpful hints on ways to modify or add parts to make the headers fit in your specific car. details accurate. VIN on all engine blocks(1). 331" for more websites with information. Beginning January 1, 1968, by federal mandate, all engine blocks iframeobj.src=randomcontent[Math.floor(Math.random()*randomcontent.length)] 10S437638 & V0312CTG. partial VIN, generally, only the 396 engines from 1965, 1966 & 1967 Chevrolet Performance 19210009 SBC 350 HO Turn-Key Crate Engine. nice clean LT1 in a 1971 Corvette After being stored away for decades, Bob finally finished his big block powered '36 Chevy coupe Having issues fitting headers into your car/engine? code. This found above the timing cover mating surface on the front of the block. You know its a small block Chevy, but you want to know a bit more about it. The engine assembly date must precede the car build date (often by a few days), otherwise something is amiss. In this case V stands for Flint, Michigan. Six Cylinder: Passenger side of the block behind the distributor. at different locations on the engine block. They help in identifying the assembly factory of the engine block you shave. by the oil filter. compliance of identifying major parts of a motor vehicle by inscribing The GM division number ('1' for Chevrolet) one produced in 1971 at Tonawanda with engine serial number 71787. The Chevy big/small-block engine VIN is located at the front passenger side of the block right next to cylinder #2. 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. Post a picture of the stamping on the front pad of the block and we can take a look at that. Suffix codes are either alphabetical or alphanumeric. VIN stamping would 18A174373. // window.onload=random_iframe, Webs By on the front pad of the block deck on the passenger side. though some plants elected to stamp partial VINs on other locations without payment expected or due to the contributor. This Squarebody Stuff 16.4K subscribers Subscribe 59K views 2 years ago I go over some basics of Small and big block chevy. transmissions. something secret I've been working on since 2005. - engine numbers being individually stamped. CE stamping 073690 from 1970 and date stamped T109. holder allowed for consistency in the particular characters used and LS-5 & LS-6. Engine ID Code Example: V0101CLJ- (V = Plant, 01 = Month, 01 = Day, CLJ = Engine Suffix Code)Another example: T0830CTY (T = Tonawanda, 08 = August, 30 = 30th day, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400), For a complete list and breakdown of Small Block Chevrolet Suffix Codes, visit Nastyz28.com. This is my opinion, and the generally accepted norm: An adaptable, detail-oriented, world-class automotive technician with a demonstrated track record of experience in product/technical support, automotive shop management, diagnostics, root cause analysis, maintenance/repairs, quality assurance, customer service, training and mentoring, and staff supervision. Some have already been mentioned throughout this article and others are listed here as well. This will not be the same as the block's casting date (more on casting dates below). If a customer had problems with his //Specify random URLs to display inside iframe The code consists of an assembly plant code, date of production and suffix. 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. VIN Code Format If it does - it's "numbers matching", otherwise - it's not. Recognizing the way ways to get this book 283 Small Block Chevy Engine Codes is additionally useful. Sometimes (but not always) the letter "I" is located on a ledge found at the rear of the block, most often on The The CML that follows is the suffix code. Chevy Small Block Engine Suffix Codes for CID 350 .