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  • Users: rj426
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  1. rj426

    Compression vs Airflow

    I'm going to revive this topic if I may, why is it that small block comp drag race motors seem to usually respond to 16-1 & 17-1 compression ratios yet some competitive 500 c.i. pro stock motors I know of don't seem to net any gains past 15-1 to 15.5-1?

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