1977 Firebird Trans Am with an 800 whp Supercharged LT4 V8

1977 Pontiac Trans Am with a supercharged LT4 V8

Custom Image Corvettes built this 1977 Pontiac Firebird Trans Am called “BADBYRD” for owner Daniel Stahlman at their company in Watertown, South Dakota. The company installed a supercharged LT4 V8 that produces 800 horsepower to the wheels. The motor features a Whipple supercharger, Accusump dry sump system, and Billy Boat exhaust. Behind the motor sits a Bowler T56 Magnum six-speed manual transmission sending power to a Ford 9-inch rear end with Currie axles. The car rides on Detroit Speed subframe connectors and RideTech Track 1 suspension with their electronic shocks. A set of Forgeline RB3C 19-inch wheels covering Wilwood disc brakes. You can view more photos and details in LSxMag’s article.

1977 Pontiac Trans Am with a supercharged LT4 V8

1977 Pontiac Trans Am with a supercharged LT4 V8

1977 Pontiac Trans Am with a supercharged LT4 V8

1977 Pontiac Trans Am with a supercharged LT4 V8

1977 Pontiac Trans Am with a supercharged LT4 V8

1977 Pontiac Trans Am with a supercharged LT4 V8

1977 Pontiac Trans Am with a supercharged LT4 V8

1977 Pontiac Trans Am with a supercharged LT4 V8

1977 Pontiac Trans Am with a supercharged LT4 V8

1977 Pontiac Trans Am with a supercharged LT4 V8

Source: Custom Image Corvettes and LSxMag

1 thought on “1977 Firebird Trans Am with an 800 whp Supercharged LT4 V8”

  1. Beautiful car. I appreciate that the owner resisted the temptation to bolt an obnoxious wing on the back. Also, that interior gives a nice tribute to the 70’s interior styling. Well done. I bet it’s a real blast to drive.

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