but that motor was too heavy for the GTO, so Pontiac beefed up the 389 once again in 1964. The 389 hung around for two more years under the hoods of the GTO, Star Chief, Bonneville, Catalina ...

The 1964 Pontiac GTO was equipped with the 389 cube V8 taken from full-size Pontiacs. The 389 was topped with a Carter four-barrel carb or optional triple two-barrels, chrome air cleaner cover ...

1964 Pontiac Tempest GTO 389 Hardtop Does The Quarter-Mile In 13.1 Seconds A quarter mile time of 13.1 seconds is impressive even by 2024 standards for a stock car. Many modern sports coupes still ...