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#1 |
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Dave,
I tried to send a private message,,,,,,, ![]() 1967 Firebird; 326/250 HP (2-Barrel) 326/285 HP (4-Barrel) (also known as the 326 H.O.) 400/325 HP (non Ram-Air) 400/335 HP (Ram-Air) (in 1967 the NHRA re-rated it to 340HP) Car Weights; Hardtop (w/326),,,,,,,,,,,#3140 lbs. Convertible (w/326),,,,,#3425 lbs. Hardtop (w/400),,,,,,,,,,#3190 lbs. Convertible (w/400),,,,#3481 lbs. 1967 NHRA Class (w/Hardtop) 326/250 HP,,,,,,,,,,,,,,,,,,,,,,,,,E/S 326/285 HP (H.O.),,,,,,,,,,,,,,C/S 400/325 HP,,,,,,,,,,,,,,,,,,,,,,,,,B/S 400/335 HP (Ram-Air),,,,,,,A/S or SS/D |
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#2 |
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![]() ![]() ![]() Last edited by Hemi Moose; 12-16-2011 at 09:00 PM. |
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#3 |
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![]() ![]() ![]() On the 67' Firebird 326 H.O. A very-sharp car with the '326' call out emblem on the power-bulge hood, and body-side stripe with the 'H.O' decal. With a 11.02 Wt/Hp factor, it fell into the wrong end of C/S in 1967. But in 1968, with changes in Stock Class, it fell nicely into G/S. The 326 H.O. came through with the special body side stripe and H.O. label. A couple of little tricks, and you could get them to run high 13.00's, and still drive them on the street. Last edited by Paul Ceasrine; 12-10-2011 at 07:42 AM. |
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#4 |
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#5 |
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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. |
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#6 |
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H.O.
The Pontiac Firebird hit the 'showrooms' on February 23, 1967. If you can find the article, Pontiac (Racing Staff) wanted to put together '50 or so' 1967 Firebird Super/Stock cars before the 1967 Springnationals in June 1967, to run in SS/D and SS/DA (8.70 - 9.49 Wt/Hp) Marketed as a "400/366 HP" - 'Ram Air S/S' * Solid Lifter Camshaft w/Radical Lift (.505/.505 Lift ~ 308*/318* Duration) * TRW Pistons (11.0-1 Compression Ratio) * #670 Cylinder Heads (2.11" Intake ~ 1.77" Exhaust ~ 72 CC Closed Chamber) * Aluminum Intake * Holley Carburetor (Model #3310 ~ 4160 Series ~ 780 CFM) * Hooker Headers (placed in trunk) * Dual-Point Distributor w/Mechanical Advance only * 4.56 Gears w/12-Bolt Rear * Traction Bars * Special Drag Shocks * 4-Speeds would come with (Safety Bell Housing, Special Heavy-Duty Clutch Package and Hurst Shifter) * Automatics would come with (Special Torque-Converter and Heavy-Duty Transmission Clutch-Band Package) * Heavy-Duty Connecting Rods * High-Volume Oil Pump * High-Capacity Oil Pan * Heavy-Duty Main and Rod Bearings Delivered 'only' to specific Performance-oriented Dealerships, and to be raced by the Dealers in SS/D or SS/DA, and 'not' for resale and not to be offered to the public. Last edited by Paul Ceasrine; 03-17-2013 at 10:07 AM. |
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#7 |
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My first wifes first car was a '68 Firebird convertible 350HO 4speed, quite a performer.....
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#8 |
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BB Dave.
The Pontiac 350 was a very 'under-rated' engine.. The 1967 and 1968 Firebird were nice 'light' cars, and were good performers. |
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#9 |
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H.O.
Here is the NHRA Class List 1967 Firebird Hardtop 326/285 HP - HO 'High-Output' = (11.02 Wt/Hp) * 1967......C/S * 1968......G/S * 1969......H/S * 1970......I/S * 1971......I/S * 1972......C/S or SS/K * 1973......G/S or SS/K 400/325 HP = (9.82 Wt/Hp) * 1967......B/S or SS/E * 1968......D/S or SS/F * 1969......E/S or SS/I * 1970......F/S or SS/H * 1971......F/S or SS/H * 1972......A/S or SS/H * 1973......D/S or SS/H 400/335 HP 'Ram-Air' = (9.38 Wt/Hp) * 1967.....A/S or SS/D * 1968.....C/S or SS/E * 1969.....D/S or SS/H * 1970.....E/S or SS/G * 1971.....E/S or SS/G * 1972.....A/S or SS/G * 1973.....C/S or SS/G Last edited by Paul Ceasrine; 03-15-2013 at 10:29 AM. |
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#10 |
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In 1968,,,
If you knew had to fit a car into the right NHRA Class - The 1967 Firebird 400/325 HP 'convertible' was a 'perfect car' for F/S or F/SA in 1968 NHRA. Last edited by Paul Ceasrine; 03-16-2013 at 09:03 AM. |
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