Thread: NHRA rulebooks: '69 or earlier
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Old 11-08-2003, 01:37 AM
Chevy454 Chevy454 is offline
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Default Re: NHRA rulebooks: '69 or earlier
Verne:

That helped a lot! One last question: was there a compression ratio rule? It's my understanding that currently you have to be under the advertised cr, but was it that way prior to '74?
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