TO refresh your memory from last issue, the SD-455 that you see before you belongs to HPP contributor Melvin Benzaquen. We were using it as a mule for a fuel-injection swap into his '74 T/A when it ...

Once upon a time, we went to the dyno to test a 455 Pontiac. It all started innocently enough. We wanted a hot street-engine dyno-test story for HPP, so we called Don Johnston at DCI Motorsports in ...

At the height of the muscle car craze, the engineering wizards at Oldsmobile created a "Frankensteinesque" big-block V8 with four valves per cylinder that could've become the most iconic American high ...

Brian is a published author who has been writing professionally for a decade in politics and entertainment, but found his calling covering the automotive industry. His love of cars started at an early ...

Here we go again – back to when gas was cheap, cars were pretty, and America was the biggest carmaker on Planet Piston. Not only that, but it made heaps of cool machines every year, icons of the ...

How big is one cubic inch? In physical size? Tiny, obviously. Even in terms of engine displacement, which we are about to discuss, a single cubic inch is almost nothing. It's an amount regularly ...

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 ...

General Motors, a titan in the automotive industry, has been turning heads and producing iconic vehicles since its founding in 1908. Merging the strengths of Buick, Oldsmobile, Oakland, Cadillac, and ...

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? Message to West or seating space? Why PM ...