From the February 1968 Issue of Car and Driver ... For a mere $650, exchange, Royal will snake out that overworked little engine in your GTO and slide in the 428, all prepared for action.

However, its successor, which came out between 1968 and 1972 ... The era's journos reported that the Pontiac GTO equipped with the standard engine was clocked at below 15 seconds during the ...

Muscle car enthusiasts have an incredible opportunity to win a meticulously maintained 1968 Pontiac GTO Convertible ... features a matching-numbers 400 ci V-8 engine and a four-speed Muncie ...