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Engine bay detail of a 1973 Pontiac Firebird Trans Am SD-455 big block with round-port heads and shaker scoop
Car Features

The 1973-74 Super Duty 455

Mike Sullivan · · 6 min
1971 Pontiac Firebird Formula 455 HO parked on cracked asphalt at golden hour
Car Features

The 455 HO

Dan Reeves · · 6 min
Close-up studio shot of a 1978 Pontiac Firebird Trans Am hood with shaker scoop and screaming chicken decal
Car Features

Esprit, Formula, Trans Am: The Gen2 Tiers

Mike Sullivan · · 6 min
Second-generation Pontiac Firebird body shell on jack stands in a garage with a Formula twin-scoop hood test-fitted nearby
Car Features

Building a Formula Tribute: Doing It Honest From the Ground Up

Mike Sullivan · · 6 min
Pristine 1974 Pontiac Firebird Formula 455 with hood open in a gallery setting, documentation resting on the fender
Car Features

Formula Production Numbers: How Scarce Is the Firebird Formula Really?

David Mercer · · 6 min
Close-up of a 1976 Pontiac Firebird Formula twin-scoop hood with factory W50 stripe decal
Car Features

Formula Colors and Stripes: Reading the Pontiac Firebird's Graphics

Mike Sullivan · · 7 min
Close-up of a Firebird Formula's WS6 rear suspension showing the sway bar, springs, and a snowflake wheel
Car Features

Formula Suspension and WS6

Mike Sullivan · · 6 min
Dark blue 1978 Pontiac Firebird Formula 400 parked beside a gold 1978 Trans Am with shaker hood scoop at a car show
Car Features

The Formula's Sleeper Reputation

David Mercer · · 6 min
1971 Pontiac Firebird Trans Am second-generation, blue with hood bird decal, parked on a road at golden hour
Car Features

Second-Generation Firebird 1970-1981: The Definitive Bird

Mike Sullivan · · 9 min
Close-up of a Pontiac Trans Am shaker hood scoop protruding through the hood
Car Features

The Shaker Scoop

David Mercer · · 6 min