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Old 11-01-2021, 12:05 AM   #1
oldskool
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Default Re: Project - NHRA Stock and S/S results 61-68

"...Any ideas?"

Yeah, I'll take a shot at it.

The 325hp 400 in a '67 Bird could come with, or without Ram Air.

Looks like the RA version has a higher NHRA hp factor. The current factor for SS looks to still be 360hp.

http://www.classracerinfo.com/Engine...5&MAKE=Pontiac

So, I'd say that if the Stocker was running class A, it was running RA, & the SS Bird was not running RA. Hey, that's my opinion & I'm stickin to it.....unless I find out I'm wrong.

"...Unless it wasnt run as a RA1 when it was R/U in SS/FA=9.50 class at 68 Pomona?..."

All he had to do was plug up the open scoops & run without the RA system.

The lower pic is a close-up of the scoop of the 1st Bird. Looks closed & painted black, to me. The Myrtle Bird is marked SS/EA. Assume it was running RA. OR, it may have just been a different year. No clue.
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Last edited by oldskool; 11-01-2021 at 01:11 AM.
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Old 11-01-2021, 01:48 AM   #2
DeuceCoupe
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Default Re: Project - NHRA Stock and S/S results 61-68

"All he had to do was plug up the open scoops & run without the RA system.

The lower pic is a close-up of the scoop of the 1st Bird. Looks closed & painted black, to me"

Great find on that picture. Not definitive but scoop sure LOOKS blocked.
And that's consistent with the 67 Bird RA1 in A/SA=8.70 class in 1967, and later 68 race year cars that only fit when factored to 360hp.

So I'm concluding:
* The RA1 was factored to the GTO's 360hp from 1967-71 at least.
* Knieper's car, though bought new as a RA1 car, just had the hood blocked when converted to SS/FA and ran at the base 325hp rating (or even the 335hp GTO Base rating, same class either way)
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