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I can get some 5 over 106 pistons and resleeve with cast iron and come up with approx 107 or 108 c.i.
Are you sure about that math?
5 what over? 5 thousandths? That's 1/12th of a mm.
Stock bore is 101mm on a 100" engine.
A 104" is 103mm bore (78 thousandths over stock).
A 109" is 105mm bore (157 thousandths over stock).

 

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Discussion Starter · #11 ·
Are you sure about that math?
5 what over? 5 thousandths? That's 1/12th of a mm.
Stock bore is 101mm on a 100" engine.
A 104" is 103mm bore (78 thousandths over stock).
A 109" is 105mm bore (157 thousandths over stock).

No, now that you mention it, I'm not sure about the math, I'll check again tomorrow, the guy said 5 over and my mind said 5mm over, that's good , then right away I stated thinking about pin height. Senior moment !
 
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