Re: NHRA Rule Change for Valve Grind
If they didn't allow superceded parts or change 'little' rules here and there, cars would've (or should have) hit a performance wall years ago, and guys would have lost interest. If it weren't for the changes over the years, you think they might've had the horsepower rating figured out for a late '60s smallblock by now? LOL
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Michael Beard - NHRA/IHRA 3216 S/SS
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