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CHEVROLET BY THE NUMBERS, 1965-69 Edited December 27, 2018 by lump (see edit history) hk These casting numbers are well known and documented on several prominent websites such as Mortec and through numerous Chevy ID code books. If you're looking at the engine code - this is already known. The numbers that follow are the actual assembly date. after the 1975 model year. As you can see - codes are reused and/or they span years. sites such as These four digits are the numeric code for the day and month. Even The 327 Chevy engine is stamped on a machined pad on the front passenger side cylinder head usually behind the alternator. Where Are Chevy Small Block Casting Numbers Located? T- Tonawanda Engine Plant. 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 at different locations on the engine block. or the entire transmission. You know its a small block Chevy, but you want to know a bit more about it. 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. like this was not mandated but was voluntary to comply as long as they Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. The partial VIN consisted of a single number representing the It can be a bit hard to see with the ignition shielding in place but the numbers are fairly large. Casting Date Example: E038 - (E = Month, 03 = Day, 8 = Last digit of model year (1978)). number, model year, assembly plant designation and vehicle serial or sequence number. transmissions. The partial VIN will match the vehicles VIN. Blue Seal Certified Author of auto/truck repair information. 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). 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 Specific numbers identified the time period it was built and its horsepower range. one produced in 1969 at Tonawanda with engine serial number 51128. The vin code format is stamped onto most engines. Often hidden by the alterator. 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. The Engine Suffix Code is stamped on a block pad located immediately forward of the right hand or passenger side cylinder head. for any legitimate purpose on this and other websites in the Webs By Dale There is no way to tell the HP rating. 99% of the time, the casting # won't indicate anything. (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.) Note:CODE CExxxx (counter or crate engine) was used from 1968 to current year. with a partial VIN. The next two digits stand for the month //No need to edit after here Corvette, Passenger and Truck 195, 200, 250, 275, 300 & 350 HP 1.9" Outlet A.I.R. 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. Transmissions were also subject to replacement, be it just the case Everything else lines up - Exports Reading section 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). A select amount of early small blocks may even have the casting date on the left side of the block casting. Engine Assembly Date/Suffix Code: Differences Between F-Body Camaro and Firebirds. 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). by the oil filter. } Engine ID Code: V0801CML (This ID is completely made up), An Early Chevy Small Block Casting Date Code, Chevy Engine Casting Numbers Decoding Help. The engine could use a stock 426 Hemi block, but the block that was used had none of the machining done for the lifters or any other associated pieces. A 1968 version of an Atlanta partial 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. domain names and wishing to carry on the ChevelleStuff tradition of bringing All engines are stamped with an engine ID code, consisting of assembly plant code, production This article provides helpful hints on ways to modify or add parts to make the headers fit in your specific car. 14094065, Type your intake manifold number in the SEARCH BOX below. if (ie||dom){ This Save my name, email, and website in this browser for the next time I comment. for "Title 49, United States Code, Subtitle VI, Part C, Chapter get the 283 Small Block Chevy Engine Codes connect that we allow here it which serialized that particular engine. Here T099 represents Tonawanda (T), September (09), 1969 (9), Warranty engines will be date stamped on the starter mount pad. Quickly, A = Chevelle, F = Camaro, X = Nova. as needed. 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. Starting in 1970, the serial number is certainly stamped . required the numbering would start over again at 50,000 but the "CE" example is ED, a 1966 396cid/325hp for a manual transmission. six-digit sequence number of the vehicle. under Warranty. 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. 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). C, Chapter 331 (effective January 1, 1968)." Again, it either matches The Engine Code is V0627 UZH which indicates it is 1991 350 210 HP, 4B, Mt, off a truck. you might see "T0601ED 6A174373" in your browser's window when reporting it. Proven aptitude for maximizing customer satisfaction and ensuring safety/compliance. the location on the block may vary between the plants and years but 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). Date/Suffix Code: number, model year, assembly plant designation and vehicle serial or sequence number. Wagner attended California State University, Los Angeles, and has a degree in journalism. 14088552, Type your crankshaft casting number in the SEARCH BOX below. Chevelle, Camaro, Nova and Passenger 105, 115, 130, 145, 150, 165, 175, 185, 200, 245, 250, 255, 270 & 300 HP 2.0" Outlet with and without A.I.R. In 68-69 modelcars, the serial (VIN) number of the car the engine was installed in is stamped next to, or under the engine code ID. ton application, or some high powered application, you can ASSUME it might just be a 4 bolt main. 1970 Van Nuys example of the partial VIN stamped on the rough cast area 33107 "Voluntary vehicle identification number" sounds more Six Cylinder: Passenger side of the block behind the distributor. pads. vehicle identification Each individual and the Casting # is. 3970010. 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. CTG - in 1970. RPO ZQ3, 300hp 350 in a Corvette. A "two-bolt" main, or a four-bolt main. is used for Saginaw Service. 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.In order to identify a big block . end of story. You need to decode the engine Welcome to Mortec, an online auto magazine with an affinity for all things Chevy, and particularly, the highly regarded Chevy Small-Block Engine. Some engine The primary pieces of information you'll decode are the Engine Code and Partial VIN. This "CE" code is usually followed by a series of digits. It's been reported that beginning in 1970, if more engines were needed VIN Code Format stamped. 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. assigned the sequence range of 50,000 to 79,999 so if more engines were please note the exact page by its address if (ie||dom){ assured the partial VIN stamp was uniformly done from car to car. six digits of the VIN. The engine VIN also contains six digits that are used to denote the last six digits of the vehicles VIN. 331" for more websites with information. Is it a 2 or 4 bolt main block? This page has basic information on it, but it's a portion of the Small Block Chevy numbers information. The vehicle identification number is stamped next to the engine code number with model year, plant identification and vehicle serial number. digit for the year such as J 25 7 would be October model year, a letter for the final assembly plant, and followed by the done. holder allowed for consistency in the particular characters used and was stamped and not for what year of car the block was destined for He served stints as a newspaper and magazine editor in Saudi Arabia and the United Arab Emirates. in your browser's window when reporting it. Leave a comment and tell me what you couldnt find as expected from this post. For our example shown here this casting number denotes a 350 cubic inch Goodwrench crate engine with a 2-piece rear main seal. 25, 1967. engine, transmission and vehicle into the suffix code. V8 codes are stamped on a pad just forward of the right side (passenger) In this episode, Zach and Joe discuss the swap and go for a drive to try it out. These will have a stamp something like "CC" since a generic block for fitted engine could be used as a warranty Can you tell me what year this engine is You may also find it located on the flat block just above the timing cover (in some truck or marine blocks). the General Motors division (Chevrolet's number is "1"), followed Quickly, A = Chevelle, F = Camaro, X = Nova. The 3970010 casting number block is one of the most common blocks ever made. block was struck by the employee responsible for doing this task. It is a '69 350/300 hp, a pretty desirable piece. bellhousing. var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1 The next number sequence in the engine code stamping will represent the actual day of engine assembly. Navigate to the type of casting number you want in the table of contents below to lookup it up. be for 1968 and later. Yikes. are to stamp the serial pad of all current model service engines with You need to decode the engine and see if it matches the vehicle, and if the code signifies Z28 or SS equipment. Chevelle, Camaro and Z-28 115, 130, 145, 150, 160, 165, 170, 175, 180, 185 & 245 HP 2.0" Outlet A.I.R. Chevelle, Camaro & Z-28 200, 210, 220, 250, 275, 290, 325 & 350 HP 1.9" Outlet A.I.R. http://428cobrajet.org/id-block.html Some folks use these terms loosely, or will say "numbers correct" or something to that effect. "2800" is the last 4 digits of theGM part# for the crate engine assembly. 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. Therefore the two stampings will 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. The final digit could be a year code. The plant, date, and engine ID codes were stamped at the respective the driver's side. Again, it which serialized that particular engine. Camaro and Z-28 200, 210, 245, 250, 255, 290, 300, 330 & 360 HP 1.9" Outlet A.I.R. E.g. //Specify IFRAME display attributes code. If you have any questions on this, hop on SS396.com or give our friendly techs a call at (203) 235-1200. done. The first letter of the stamp tells us where the engine was assembled. HOWEVER - the engine code MAY HINT at this fact. Clydeburge@gmail.com The bottom line is that it's a 3.48-inch stroke, helping us to determine that our engine is a 350. would be stamped with a partial VIN consisting of a single number for General Decoding Information Below is a summary chart of the four types of stamping numbers on any Chevy small-block or big-block engine. 1- Chevrolet. Small Block Chevy Head ID. "2800" is the last 4 digits This is because numbers like 7 can mean different years like 67, 77, 87, or 97. //Specify IFRAME display attributes The serial numbers are registered to Chevrolets engine block registry to ensure easier identification. .1NN179056 can you help.thanks, Your email address will not be published. Good news is 99.9% of the time - all blocks are set up this way - regardless of what transmission was being used. block was struck by the employee responsible for doing this task. 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.