pistons


  1. A

    compression ratio

    hi all i was looking at 500hp forums for an ek4 and i was curious to know what the best compression ratio is for a b18c4 on the forum the indervidual said that he would not go over a 10-1 or 9-1 on a 500hp motor can someone please if you can inform me on the best cr for daily and track use
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