Chevy 350 serial numbers

Look at the front of the block, just forward of the valve covers. There is a metal pad on the passenger side of the block that has a series of numbers etched in it.

If necessary, clean up the pad with degreaser and a wire brush. Write down the code on the paper, and look it up on the MorTec website. MorTec also has reference codes for the front block numbers, which indicate at which plant the block was manufactured, and inwhat kind of car it was previously installed. Russell Wood is a writer and photographer who attended Arizona State University. The engine date must precede the car build date, otherwise something is amiss. Some engine machining operations decking will obliterate the engine ID.

Suffix codes are either alphabetical or alphanumeric. Select the portion of the alphabet for your code. 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 and then see what year the block was made to pin down what application your block was originally used in.

This list of codes is a summarization, it is not complete nor all inclusive. It represents any CID and is used to indicate this particular engine was replaced under Warranty. It is a direct replacement for the original equipment.

It doesn't indicate what the original equipment was. VF - is an example of a over the counter crate engine. The final digit could be a year code. Initial identification of a Chevrolet eight-cylinder engine is simple. The model car and year are initial indicators the engine is possibly a After model year , it is most likely a ; Chevrolet used it in practically everything.

Chevrolet engines are originally painted safety orange; other indicators the engine may be a include tags and markings, either GM or Chevrolet. Suffix codes are either alphabetical or alphanumeric. Select the portion of the alphabet for your code.

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 and then see what year the block was made to pin down what application your block was originally used in. This list of codes is a summarization, it is not complete nor all inclusive. It represents any CID and is used to indicate this particular engine was replaced under Warranty.

It is a direct replacement for the original equipment. It doesn't indicate what the original equipment was. VF - is an example of a over the counter crate engine. The final digit could be a year code. Here's something secret I've been working on since If it does - it's "numbers matching", otherwise - it's not. Some folks use these terms loosely, or will say "numbers correct" or something to that effect. But numbers correct is not numbers matching. Again, it either matches or it doesn't.

If it doesn't match - is it correct? 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.