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1967 GTO 400 engines compared: HO vs Ram Air

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 ...
Fast Lane Only on MSN

How the 1967 GTO HO strengthened Pontiac’s power strategy

The 1967 Pontiac GTO High Output package did more than add a few extra horsepower. It crystallized how Pontiac could keep ...