What block do i have?

Mavrick

Founding Member
Aug 29, 2002
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Collingwood, ON
In the lifter valley i see YYY (which i understand just means its a 302 roller), SB (small block?), and the number 34.

The block is pretty dirty, so i didn't want to go searching for a casting number, but it would help if someone could tell me exactly where the casting number is located?