Re: Lookin for NHRA Stock Class ET/MPH from 1970-71
I have Classification Guides for that era. Since that was before the days of factoring and weight adjustment, the body-engine combinations could be narrowed down, if you would be interested. The 1957 Chevrolet Q/S would be a 265-162hp, not a 283. Technically, the 283-185hp engine was for automatic transmission only, though that was blurred from the beginning.
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