Project - NHRA Stock and S/S results 61-68

DeuceCoupe · 09-29-2021, 08:42 PM

Adding weight:
Per the books I have, thru 1969:
You could NOT add weight - if the shipping weight was 5 lb light, too bad, you went into the bottom of the faster class. So, just a bad combo.

Per my 1989 NHRA book, you could ballast or remove, 100-200 lb or so.
So, not sure about 1977.

The 1973 record had the same classes as 1968, so B/S=8.50, meaning the factor had to be between 370hp and 385hp. Since the RA4 was factored to 380hp back then, the RA2 at 370-375hp makes some sense.

Seems like those pictures are all B/S, but to get up into A/S, well the heaviest year for A/S was 1968 when A/S=8.00. Or, from 1973-up also had A/S=8.00 class To get up into A/S=8.00-8.49 the RA2 would have to be factored at 390-410hp, somewhere in there. I guess that's possible - they factored the RA2 way up, then back down to maybe 370hp. Bottom line is we just dont know.

Either way it seems that B/SA=8.50 Mystery Ben Wolf car of Spring 69 was either a:
69 GTO RA4
69 Bird RA4
68 Bird RA2
Nothing else seems to fit up that high.

09-29-2021, 08:42 PM	#11
DeuceCoupe Member Join Date: Feb 2016 Posts: 274 Likes: 98 Liked 48 Times in 44 Posts	Re: Project - NHRA Stock and S/S results 61-68 Adding weight: Per the books I have, thru 1969: You could NOT add weight - if the shipping weight was 5 lb light, too bad, you went into the bottom of the faster class. So, just a bad combo. Per my 1989 NHRA book, you could ballast or remove, 100-200 lb or so. So, not sure about 1977. The 1973 record had the same classes as 1968, so B/S=8.50, meaning the factor had to be between 370hp and 385hp. Since the RA4 was factored to 380hp back then, the RA2 at 370-375hp makes some sense. Seems like those pictures are all B/S, but to get up into A/S, well the heaviest year for A/S was 1968 when A/S=8.00. Or, from 1973-up also had A/S=8.00 class To get up into A/S=8.00-8.49 the RA2 would have to be factored at 390-410hp, somewhere in there. I guess that's possible - they factored the RA2 way up, then back down to maybe 370hp. Bottom line is we just dont know. Either way it seems that B/SA=8.50 Mystery Ben Wolf car of Spring 69 was either a: 69 GTO RA4 69 Bird RA4 68 Bird RA2 Nothing else seems to fit up that high. Last edited by DeuceCoupe; 09-29-2021 at 09:02 PM.