STi 5 or 6 Forged pistons
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50cc Head Volume on the Sti7
49cc Head Volume on the Sti5/6 IIRC
It's a minimal difference - If you were to use Sti7 pistons with Sti5 heads, then you could just go with a slightly thicker than stock headgasket to keep the CR correct.
49cc Head Volume on the Sti5/6 IIRC
It's a minimal difference - If you were to use Sti7 pistons with Sti5 heads, then you could just go with a slightly thicker than stock headgasket to keep the CR correct.
Last edited by FB Tuning; 24 January 2010 at 01:27 AM.
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