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| | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | The two engine codes you have given are called the engine serial numbers. They are pressed into the block in a ledge just to the rear of where the distributor goes into the block.
I think the block casting number is cast into the block to the upper right of the starter, but I think I've seen pictures of block casting numbers to the front of where the fuel pump is mounted. Maybe someone can correct/clarify this.
The T54Y code indicates a 1954 engine built in Tarrytown, NY for a Powerglide equipped passenger car or 1508 Sedan Delivery.
The LEA engine serial number is an odd one. That is a 1953 code but it would be for a low-pressure 235 engine and shoould not have the four valve-cover bolts/screws (maybe someone drilled/tapped the four holes in the head)?
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