Thus, the Pontiac G8 was born—first as a perfectly respectable V6, then as a bruising G8 GT with a 361-horsepower V8. But it ...

The G-Power kit incorporates an under-bonnet centrifugal-type ASA T1-518 supercharger. G-Power says the setup didn’t require decompression or forged pistons, so the conversion is quick and easy ...