What kind of crankshaft did the Pontiac Firebird use?
The SD-455 consisted of a strengthened cylinder block that included four-bolt main bearings and added material in various locations for improved strength. Original plans called for a forged crankshaft, although actual production SD455s received nodular iron crankshafts with minor enhancements.
When did the Pontiac Firebird come out in the US?
Designed as a pony car to compete with the Ford Mustang and Mercury Cougar, it was introduced on February 23, 1967, simultaneous with GM’s Chevrolet division platform-sharing Camaro. This also coincided with the release of the 1967 Mercury Cougar, Ford’s upscale, platform-sharing version of the Mustang.
What kind of taillights did the Pontiac Firebird have?
The Firebird’s rear “slit” taillights were inspired by the 1966–1967 Pontiac GTO. Both a two-door hardtop and a convertible were offered through the 1969 model year.
What’s the difference between a GTO and a Firebird?
The difference between the GTO and Firebird engines was that the secondary carburetor’s throttle linkage had a restrictor which prevented the rear barrels from opening completely, adjusting the linkage could allow full carburetor operation resulting in identical engine performance.
What kind of engine did the Pontiac Firebird have?
Backing the big V-8 was the B-O-P version of the Turbo Hydra-Matic 400 three-speed automatic. The 400 V-8 and the Firebird 400 package did continue into 1969, but the Firebird itself changed substantially enough that year to warrant its own separate consideration.
What was the Trans Am package on a Pontiac Firebird?
The Trans Am was a specialty package for the Firebird, typically upgrading handling, suspension, and horsepower, as well as minor appearance modifications such as exclusive hoods, spoilers, fog lights and wheels.
When did Pontiac stop making the Firebird 400?
The 400 V-8 and the Firebird 400 package did continue into 1969, but the Firebird itself changed substantially enough that year to warrant its own separate consideration. So if you’re considering buying a 1967-1968 Firebird 400, here’s what you should look for.
The Firebird’s rear “slit” taillights were inspired by the 1966–1967 Pontiac GTO. Both a two-door hardtop and a convertible were offered through the 1969 model year.