Tri-Power Explained

Tri-Power Explained

How Well Do You Know the Pontiac Tri-Power Carburetor System? By Christopher R. Phillip If you grew up in the 1960s, the sight of a Tri-Power carburetion system on a muscle car was a sure sign that serious performance hid under the hood. Cadillac, Oldsmobile Chevrolet...
The Real Story Behind the First GTO’s Engine Size

The Real Story Behind the First GTO’s Engine Size

There’s No Replacement for Displacement The Real Story Behind the First GTO’s Engine Size By Christopher R. Phillip To understand how Pontiac successfully put a 389ci engine—normally only available in full-size cars—into the intermediate size LeMans, you’ll need a...