59cc heads???
#6
TECH Senior Member
Flycut the pistons, that is the correct wayto do it. You do not wat thicker than stock gasket bcause of quench and increasing it would make the motor prawn to detonation and knock retard.
You could gain 3cc with decent flycuts and also more ptv clarance.
You could gain 3cc with decent flycuts and also more ptv clarance.