Due to stricter government regulations, the era of unrestrained factory-built performance was coming to an end in 1971. However, GM's excitement division answered with the largest displacement engine ...

From the November 1969 issue of Hot Rod magazine: Those who appreciate good cars had an eye out for the GS 455. Buick may have the surprise issue in the super-car series this model year. The 400-cubic ...

The Pontiac Super Duty 455 Firebird is a legendary muscle car revered by enthusiasts and collectors alike. Produced during a brief but impactful period in the early 1970s, the Super Duty 455 ...

Pontiac was never good at letting go. Even as emissions strangled Detroit’s horsepower culture, the division that built the GTO refused to surrender quietly. And in 1975—against logic, policy, and ...

When HPP introduced this engine project to our readers, neither Jim Taylor Engine Service (JTES) nor our staff knew if all of the pains would be worth the results. To recap, customer Bill Wise wanted ...

A restored and customized 1973 Oldsmobile 442 takes center stage, complete with a strong 455 engine note. How does classic design blend with modern upgrades? Supreme Court delivers major blow to Trump ...