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The Highest Rated Horsepower In A Pontiac Car In The '60s
Pontiac ended up offering the powerplant as an over-the-counter crate engine for independent ... as an off-the-shelf upgrade ...
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Everything Pontiac Fans Should Know About The 389 Engine
A Step-By-Step Guide Although the 389 and the tri-power setup shown above made the GTO a legend, the engine and tri-power option had been in Pontiac's lineup since 1959, when Pontiac increased the ...