Quote:
Originally Posted by grivera
6x4s on a .060 400 puts compression in the very low 8s, if not below 8:1 . I'd expect that to run on 87 all day long.
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Don't forget it's .068 over and has a 4 inch stroke not 3.75
Heads have been milled quite a bit, 3.08 gears. Didn't do compression hot only cold 105/110