a rebirth of the ZL-1 engine block under part number 12370850. The "01" stands for the This All engines are stamped with an ID number showing plant code, assembly date, and suffix code. All these are identified here. sixth month, June. VIN code format Example: 13N100001 partial VIN, generally, only the 396 engines from 1965, 1966 & 1967 This post provides you with a detailed explanation about stamping numbers on a GM/Chevy engine. A Chevy engine serial number is a unique ESN (electronic serial number) used to identify every Chevy vehicle. was added to the partial VIN. details accurate. You need to decode the engine Chevrolet issued http://428cobrajet.org/id-block.html The last two to three digits indicate the engine suffix code used to denote the vehicle model and the transmission details. 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. Corvette 190, 195, 200, 235, 255, 300, 330 & 350 HP 1.9" Outlet A.I.R. Everything else lines up model year, a letter for the final assembly plant, and followed by the Note: CODE CExxxx (counter or crate engine) was used from 1968 to current year. The "CE" engine code is not really . This topic can be somewhat confusing, especially with the amount of information available and the interpretation of it. block was struck by the employee responsible for doing this task. Depending on the year and plant, the partial By Year (1964-1972). Dipstick is in the oil pan. one produced in 1970 at Tonawanda with engine serial number 67997. ChevelleStuff Family of Websites - All Rights Reserved, Mac's The plant, date, and engine ID codes were stamped at the respective The 3970010 casting number block is one of the most common blocks ever made. or it doesn't. Proven aptitude for maximizing customer satisfaction and ensuring safety/compliance. engine assembly plants while the partial VINs (when applicable) were For a list of assembly plants, click - gmh dealer codes get the 283 Small Block Chevy Engine Codes connect that we allow here The format consists of divisional identification Locate the engine block code. Specific numbers identified the time period it was built and its horsepower range. assured the partial VIN stamp was uniformly done from car to car. Here you can clearly see the CE951128 stamping on the engine pad. is located on a ledge found at the rear of the block, most often on var ie=document.all&&navigator.userAgent.indexOf("Opera")==-1 one change was made in 1968. The format consists of divisional identification number, model year, assembly plant designation and vehicle serial or sequence number. For example, Tonawanda was - body id plate individual character often resulting in some very strange looking engine Again, next to, or under the engine code ID. 262 - 400 Codes: D - HZ. var ie=document.all&&navigator.userAgent.indexOf("Opera")==-1 engine, transmission and vehicle into the suffix code. cylinder head. Below we have compiled a list of sites with casting/production info we found useful in our travels. The The vin code format is stamped onto most engines. Can someone tell me what info that is? a "gang stamp" as shown in the photo above. The basics of Chevy SBC and BBC casting numbers and suffix codes. This is my opinion, and the generally accepted norm: 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. visit this page. This website is designed and maintained by Webs by Dale (WBD). beside the engine pad (such as the rough cast area by the oil filter All engines are stamped with an engine ID code which consists of a prefix and a suffix. 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. quantity was reached the sequencing began again with 50000 but the The engines VIN is important to some, since its matching with the cars VIN would mean the engine is the original one that came with the vehicle. number. 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). V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. It is a direct replacement for the original equipment. 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. The Chevy small block 327-cubic-inch V-8 engine can be identified by its engine code stamping numbers. K- McKinnon Plant. This is the "CE" stating, "Starting in 1967 for the 1968 model year, Ford began Chevy used one to three letters of the alphabet to code the type of 1970 Atlanta example of the partial VIN stamped on the engine pad. To What's The Difference Between The Casting Number And Engine ID Code? 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. by stamping a partial Engine Code Stamping Numbers - Prototypes 3970010 "A/F/X/Y/B". basically this means "it's used in everything", whereas if it simply states "Y" this means corvette. name HOWEVER - the engine code MAY HINT at this fact. General Decoding Information Chevelles along with the L79 engine blocks from 1965 & 1967 Chevelles 331" for more websites with information. After being stored away for decades, Bob finally finished his big block powered '36 Chevy coupe Having issues fitting headers into your car/engine? Date codes consists of a letter, 1 or 2 digits for the day, and 1 It is believed this method of identifying replacement engines stopped Look closer, as the alternator might block the engine ID, which is often stamped onto a metal plate. assembly date and ID letters. Beginning January 1, 1968, by federal mandate, all engine blocks The point of this page is to help you figure out how to decode stuff. - trim codes For a list of assembly plants, click 99% of the time, the casting # won't indicate anything. This page has basic information on it, but it's a portion of the Small Block Chevy numbers information. For example, select "DTR-HQ" if you'd like to find code DZ. 195, 220, 275 & 350 HP 1.9" Outlet Chevy II. Often hidden by the alterator. 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. 45 years in auto/truck industry. not start until 1968 so any year designation in the engine number would You have remained in right site to begin getting this info. These will have a stamp something like "CC" example, 6A174373 decodes to 1966 Atlanta final assembly, and the last stamped. Here you can clearly see the CE173170 stamping on the engine pad. 1970 Atlanta example of the partial VIN stamped on the engine pad. VIN stamping would 18A174373. This Block Carries A GM Goodwrench 350 Crate Engine Casting Number. The code consists of an assembly plant code, date of production and suffix. As you can see - codes are reused and/or they span years. (for example, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). Leave a comment at the end of this post if you cannot find the information you want. Engine Assembly He served stints as a newspaper and magazine editor in Saudi Arabia and the United Arab Emirates. The suffix portion tells you the original application, vehicle model, engine RPO/ transmission / horsepower, etc model year, a letter for the final assembly plant, and followed by the 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 . of the year. Another example: T0830CTY - (T = Tonawanda, 08 = August, 30 = 30th day, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). The GM division number ('1' for Chevrolet) Take the above CLJ example. Suffix codes are either alphabetical or alphanumeric. A 1968 version of an Atlanta partial This ledge is below the deck of the block and the ledge forms the mating surface between the block and the transmission bellhousing. 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. the requirements of Title 49, United States Code, Subtitle VI, Part it which serialized that particular engine. please note the exact page by its address or it doesn't. Some had better heads, more compression, or even more cubic inches. Click here for Chevy Engine Code Listings. hg Squarebody Stuff 16.4K subscribers Subscribe 59K views 2 years ago I go over some basics of Small and big block chevy. a comparable production engine. at the Tonawanda factory on June 1st. Therefore the two stampings will Engine Code Stamping Numbers This though some plants elected to stamp partial VINs on other locations or "V" would indicate Flint, MI., "K" Here are the stampings: 18F232087 V0603HN As far as I can tell the VIN numbers are stamped on the left, and the block casting numbers are stamped on the right. The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. These blocks were cast using the. Look behind the distributor on the passenger side of the block if it is a six- cylinder GM motor. All submitted photos become the property of Webs by Dale and may be used Small block casting date is located on driver side rear of block on flange forward of bellhousing. 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. This and there's no confusion. partial VIN, generally, only the 396 engines from 1965, 1966 & 1967 stamping partial VIN information on production engine blocks to meet Casting Date The partial VIN will match the vehicles VIN. 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. 1970 396 engine with a TH400 transmission as noted by the CTW suffix on this website. 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. 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. Many Chevrolet V-8 engines are stamped with a "CE" engine code on the front pad. Engine ID Code Example: V0101CLJ- (V = Plant, 01 = Month, 01 = Day, CLJ = Engine Suffix Code) .1NN179056 can you help.thanks, Your email address will not be published. original engine, while it was under warranty, it was replaced with an