Building The W72 For Hot Street PerformanceI have a question about the W72 engine, which I want to modify for more power. I want it to run on premium fuel and have a really good drivability factor. I ...

Every carmaker has that one last, defiant howl before the corporate world tightens the leash. For Pontiac, 1979 was that bittersweet crescendo—the final stand of the true Pontiac-built 400-cubic-inch ...

Chevrolet and Pontiac were both owned by General Motors until the company discontinued Pontiac in 2010, with Chevrolet still going strong today. It's not uncommon for GM to share designs and parts ...

In the 1960s and 1970s, Chevrolet and Pontiac both offered a pushrod V8 engine with an advertised displacement of 400 cubic inches. Considering that both carmakers are (were?) sub-brands of parent ...

The 1967 Pontiac GTO gave buyers a rare choice between two distinct 400 cubic inch performance paths, the 400 HO and the Ram Air package. Each engine delivered serious speed, but they did it with ...

The Pontiac Firebird Formula 400 sits in a sweet spot between bare‑bones pony car and full Trans Am theater, and that balance is exactly what keeps collectors chasing it today. I want to trace when ...