Not Ranked
Jim if starting with a new block how come you are going to 30 over right away? Is it because you are going to reuse your 30 over pistons. I would have thought you would start a standard bore and get e few more bore jobs out of the block. Most of the time you bore because the bore is bad not because of the few extra inches you get. Even if your engine makes 2 Hp per inch its only going to gain 8 hp at the most from the over bore. In reality it will not be that much more.
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