Mr. Finespline,
Thanks for adding.
In 1973, you could get the Firebird as a
* Formula 455
* Formula 455 'Ram Air'
* Formula SD-455
* Trans Am
The 'Formula 455' had the fiberglass hood with the 'twin-scoops'.
The 'Ram Air' option had lettering on the side of each scoop.
But, the ultra-rare 'Formula SD-455' had the Trans Am style hood with reverse scoop,
with 'SD-455' lettered on the scoop.
My sister's car {she was only 17 at the time} was the Formula SD-455.
The car came through 'option ordered'
* Automatic Transmission
* Rear Spoiler
* Honeycomb Rally Wheels 'Gun-Metal Color' {15" x 7"}
* 'RTS" Radial Tuned Suspension {GR70 x 15" Tires}
* Power Windows
* Air Conditioning
* Power Steering
* Handling Package
* Power Front Disc-Brakes
* Special Order 3.73 Gears
It looked like this Model,
M5FyLBRpZZCNP9Q~~60_57.JPG)