i just got my 4g93 + MIVEC head done last week...
it feels great with the ported n polished head...even with my stock pistons...10.5:1 comp ratio
did a top overhaul before installation...changed all the valve seals n grind the valves...this is my 1st time expose to mivec internals...it's kinda complicated...but it's good to understand your engine well...i enjoyed carrying out the mod.
if u really want more power...slot in the mivec hi comp pistons...stock mivec...
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