[U47]

Originally Posted by Tom Vaught

Not 100% sure but believe the only place where the 390 hp engine was used was in the 428 Grand Prix.
The Grand Prix was a real boat and a great number of them were NEVER raced at the track.
No need for the cam to be bigger than the 068 camshaft for that application.

Installing the 428 engine/parts in a A-Body vehicle or F-Bird, is another story, imo.

Tom V.

Pontiac, all and G/P in 1968,
Pontiac P/Hwy, and G/P 1969
You are correct about the 068 in a stock bottom end configuration.