True to its name, the 1970 Formula 400 came standard with a 400 cubic-inch, 330-horsepower V8, while the optional 345-horsepower Ram Air III V8 engine (standard in the Trans Am) could also be ...

True to its name, the 1970 Formula 400 came standard with a 400 cubic-inch, 330-horsepower V8, while the optional 345-horsepower Ram Air III V8 engine (standard in the Trans Am) could also be ...

1978 Trans Am & 1973 Formula 400 - Birds For All Reasons. George Berg Bought Two Unique Firebirds, A '73 Formula 400 And '78 T/A, To Suit His Different Moods. Thomas A. DeMauro Writer Jan 01, 2009.