On the V8 engines, it is on the top of the block, at the back, above the bellhousing area. . This drawing is of the 1967 version of the 302 cid Chevrolet. Roller or flat tappet cam, one-piece rear seal 14094766. A 454 bore diameter will be about 4. Transmission Transmissions were also subject to replacement, be it just the case or the entire transmission.
In 1968 the main bearing saddles were increased in size from 2. Casting numbers for Chevy V8 engines can be found at: Casting numbers for Chevy 1937-1962 stovebolt inline six blocks can be found at: and for those and newer straight 6s try: At the same area where you find the block casting number, you will also find the casting date code. Sedan, 6-passenger 80 El Camino 87 2 Dr. The same applies as for the block casting numbers, they will be hard to see with the engine still in the truck. What good is knowing the transmission? The final digit could be a year code. This page has basic information on it, but it's a portion of the Small Block Chevy numbers information. Several intermediate displacements appeared over the years, such as the 283 cid that was available with mechanical fuel injection, the 327 cid as well as the numerous 350 cid versions.
The date codes are sometimes ambiguious, because they don't have the whole year, only the last digit with a few exceptions. All Engine numbers start at 1001. This list of codes is a summarization, it is not complete nor all inclusive. Again, it either matches or it doesn't. Note: This is not meant to be a replacement for sonic testing the bore thickness. It is a direct replacement for the original equipment.
One-Fifty 6 235 108 7. The 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. Starting in 1970, the serial number is stamped either above the oil filter, somewhere on the block pad in front of the cylinder head , or on the transmission flange somewhere. Aluminum, Pontiac Super Duty version of Gen. . . Each individual stamped character was placed in a holder and secured before the engine block was struck by the employee responsible for doing this task.
Could this be a dealer replacement? I am constantly adding information and hoping to create the largest searchable database of this type on the internet. Here is my dilema: I've researched the engine numbers and cant figure out if its from this car. Beginning in late 1969 model year, 3-letter engine suffix codes were used on the engine pad. There is a flat tappet block and a roller block with casting numbers that both end in 148. If you have looked very carefully and find no numbers there, chances are your block is classified as a Replacement Block and will have no numbers stamped on that deck. The point of this article is to help you figure out how to decode stuff.
Roller cam, one-piece rear seal 22551656. . The center two digits are the day of the month. Big Block Chevy: Machined pad in front of the passenger side cylinder head or above timing chain cover. Second number or letter is the year, it will be the last digit of the year on 1960s and 70s cars, and a letter starting in 1980. Camel hump,64cc chambers,accessory holes 3927188. This machined flat area has serial numbers stamped into it.
Big block on the right side of engine above the oil pan rails. I was going to put some flat top pistons in it, but have built up a 454 for my truck instead. If you are looking for the actual Chevy engine codes that are stamped into the block during assembly, has an excellent block stamping number decoder. 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. If your block has been decked to help raise the compression or just to true up the head mounting surface, the numbers may have been removed during the process. Here is a list of casting numbers, along with their original applications.
Hey man - is this a 4 bolt main? Roller cam, one-piece rear seal 14088548. I've also seen cases where there are indeed duplicate codes used. The first letter will be either F for Flint Michigan, or T for Tonowanda, New York. Bowtie, Aluminum 72cc chambers Symmetrical ports 10051129. Aluminum,over the counterPontiac 23' head,62cc,angle plug, 196cc intake port 10045434.
Over the counter, angle plug, 64cc chamber 354434. 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. The format consists of divisional identification number, model year, assembly plant designation and vehicle serial or sequence number. . If it doesn't match - is it correct? Third letter or number is the vehicle assembly plant, in this case K for Kansas City. Vortec truck, roller cam, one-piece rear seal 10243880. The year is not specifically stamped.
. It will be on a machined pad at the base of the distributor on straight sixes, or on the deck surface just in front of the passenger side head on V8s. This is helpful to all Bowtie fans. I believe some trucks had dished pistons. I came across it when researching some engine numbers for a 1962 Corvette. There is another type of stamping found on some blocks.