1967 Pontiac Firebird 'H.O'
Called the 'Light Heavyweight'
With a 'special' 'High Output' 326/285 HP.
285 Horsepower @ 5000 RPM's
359 Foot Pounds/Torque @ 3200 RPM's
* 3.719" Bore x 3.750" Stroke
* 10.5 -1 Compressior Ratio
Featuring Casting {#141} 'High Compression' Cylinder Heads with
(52.0 CC) Combustion Chambers.
1.92" Intake / 1.64" Exhaust
Camshaft = .386" Intake / .421" Exhaust - 269* / 277* Duration - 47* Overlap
Valve Springs = (#95 lbs. = Valve Closed) - (#225 lbs. = Valve Open)
Carter AFB (600 CFM) - (1 7/16" Primary x 1 11/16" Secondary)
Dual Exhaust (2.00" Primary} - (2.25" Tail-Pipe)
4-Speed (M-20 Wide-Ratio) = 2.52 - 1.88 - 1.46 - 1.00
Clutch = 10.4" (6.5" Inside) - .140" Thickness - #2050 lbs.. Load-Rate
2-Speed Power-Glide Automatic
Gear-Ratio's = 3.08 - 3.23 - 3.36 - 3.55 - 3.90
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Special Order Options;
* 4-Speed (M-21 Close-Ratio) = 2.20 - 1.64 - 1.28 - 1.00
* Turbo Hydra-Matic (3-Speed Automatic)
* 4.33 Gear-Ratio
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Only
6078 Produced