Here's What Made The Pontiac 421 Super Duty Big Block Engine So Impressive
In a nod to numerical symmetry, Pontiac only built 421 Catalinas with the 421 Super Duty engine in 1962, but the brand ...
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The Rarest Pontiac Engine Ever Produced
Pontiac joined the American big block V8 rivalry with its rare 421 Super Duty engine, showcasing its dominance on the track in the early '60s. The high-revving 421 V8 boasted impressive specs ...
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5 Of The Most Powerful Engines Ever Put Into The Pontiac Grand Prix
The most powerful engine in 1963 and 1964 — after the Super Duty option was cut — was the same 421-inch beast topped with three two-barrel carbs in Pontiac's "Tri-Power" setup. This ...
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Super-Rare 1967 Catalina 2+2 Sports Pontiac's Big V8 Surprise Upfront, Sad News Inside
The car belonged to a Kentucky sheriff when new, and it is one of the 261 high-output Catalina 2+2 examples built for the ...
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1966 Catalina Ventura 421 Claims It's All-Original and Rare; Why Has the Price Dropped?
Allegedly, the 105k-mile Pontiac was always parked in a garage and has its factory-installed engine and transmission, but ...