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The first car was a red 1977 Firebird Trans Am survivor car from the Restore a Muscle Car Collection with a price of $57,200 (~$224,521 in 2023). The second vehicle was a rare 1974 Pontiac Trans AM 455 Super Duty, which was another survivor that reached $100,000 (~$480,810 in 2023) plus 10% buyer commission.
The 1973 Trans Am engine displaced 455 cubic inches in the base L75 and the Super Duty LS2 option. The base 455 produced 40 fewer horsepower than the round port Super Duty 455. Horsepower for the base L75 455 was rated at 250 at 4,000 rpm and 370 lb/ft at 2,800 rpm.
Standard in the Firebird Trans Am, it was still a rare engine. In 1973 a further refined and even stronger version, the Super Duty (SD) engine, was planned for Firebird, Grand Am, Le Mans (GTO), and Grand Prix models. The SD-455 used round-port cylinder heads similar to those used on the 1971 and 1972 455 HO, with specific "LS-2" intake and ...
Also announced for the '73 GTO and Grand Am was the Super Duty 455 V8, which was rated at 310 hp (230 kW). Cars magazine tested an SD-455-equipped 1973 Pontiac GTO and chose it as Car Of The Year, yet that engine never made it to production in a GTO or other Pontiac A-body, but would be limited to the Firebird Formula and Trans Am.
This insane car has been made to fit into the modern world of show stopping muscle cars and is now ready to strut its stuff on a larger stage.
The 1973 Firebird Trans Am's factory-applied hood decal, a John Schinella stylized interpretation of Native American bird designs, took up most of the available space on the hood. Also in 1973, the new Super Duty 455 engine ("Super Duty" harkening back to Pontiac's Racing Engines) was introduced.
1973-1977 Oldsmobile 4-4-2; 1968-1980 Oldsmobile Delta 88; 1977-1980 Oldsmobile 98; 1979-1980 Oldsmobile Toronado; 1973-1979 Oldsmobile Omega; 1977 Pontiac Firebird (Firebirds sold in California/High Altitude states received the 350 Oldsmobile (VIN code "R") for a short time in 1977 before being replaced with the small block Chevrolet line of ...
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