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Paul Ceasrine · 03-14-2013, 07:42 AM

H.O.

The numbers,,,,

1967 Pontiac Firebird and (1967 NHRA Class)

* Hardtop.........326/285 HP 'H.O.".........#3140 lbs.....(11.02 Wt/Hp)............NHRA Class = C/S
* Convertible...326/285 HP 'H.O'...........#3425 lbs.....(12.06 Wt/Hp)............NHRA Class = E/S

* Hardtop.........400/325 HP....................#3190 lbs.....(9.82 Wt/Hp)..............NHRA Class = B/S or SS/E
* Convertible...400/325 HP....................#3481 lbs.....(10.71 Wt/Hp)............NHRA Class = C/S

* Hardtop.........400/335 HP 'Ram Air'...#3190 lbs.....(9.38 Wt/Hp)..............NHRA Class = A/S or SS/D
* Convertible...400/335 HP 'Ram Air'...#3481 lbs.....(10.23 Wt/Hp)............NHRA Class = B/S

Note; The NHRA re-rated the 400/335 HP 'Ram Air' to '340 Horsepower'

03-14-2013, 07:42 AM	#5
Paul Ceasrine VIP Member Join Date: Apr 2009 Posts: 2,546 Likes: 0 Liked 10 Times in 10 Posts	Re: 1967 Pontiac Firebird H.O. The numbers,,,, 1967 Pontiac Firebird and (1967 NHRA Class) * Hardtop.........326/285 HP 'H.O.".........#3140 lbs.....(11.02 Wt/Hp)............NHRA Class = C/S * Convertible...326/285 HP 'H.O'...........#3425 lbs.....(12.06 Wt/Hp)............NHRA Class = E/S * Hardtop.........400/325 HP....................#3190 lbs.....(9.82 Wt/Hp)..............NHRA Class = B/S or SS/E * Convertible...400/325 HP....................#3481 lbs.....(10.71 Wt/Hp)............NHRA Class = C/S * Hardtop.........400/335 HP 'Ram Air'...#3190 lbs.....(9.38 Wt/Hp)..............NHRA Class = A/S or SS/D * Convertible...400/335 HP 'Ram Air'...#3481 lbs.....(10.23 Wt/Hp)............NHRA Class = B/S Note; The NHRA re-rated the 400/335 HP 'Ram Air' to '340 Horsepower' Last edited by Paul Ceasrine; 03-14-2013 at 08:02 AM.