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07-14-2019, 08:51 PM | #1 |
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1967-68 SS/C-D Hemi B-Body: Cold Air or Flat Hood?
Well as if 427 Ford and 396 Chevy NHRA Factored Horsepower wasn't confusing enough, I'm realizing that not all B-Body SS/ SuperStock Hemis had cold air hoods.
I gather that ALL the Street Hemi's were factored to 480 hp from 1966-1970, maybe down to 455hp in 1971? But then, there's the hoods. The 1967 RO23, WO23 cars all ran in the SS/C=7.00 class with cold air hoods. But what about say Sox' 1967 GTX in SS/D=7.70? Cold air or flat hood? What about the 1968 SS/D=7.70 B-Body Hemis? Which ones ran cold air vs a flat hood, and did that affect the 480hp factor? It seems like if you could run cold air "for free" (no factoring), then who wouldn't? Unless NHRA didn't allow it. A lot of funny rules affected the cold-air vs flat-hood 427 Fairlanes so this is why I'm asking about the 1967-68 B-Body Mopar Hemis. Math! Thanks for the help and memories. |
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