swapping z6 head to a y8 head on a y8 block.and raising compresion
for a mistake i put a z6 head in my y8 block, alot of people tell me i lost compression 9.286 but if i put my y8 head back and do the 2 layer deal it would raise it to 9.868.would i feel the difference in hp and would my vtec sound louder.thanks
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