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 ...

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 ...

GM once sold three different 455 engines--a Buick, an Olds, and a Pontiac. All were stump-pulling torque monsters, but which has the potential to make the most power? Car Craft, in conjunction with ...

It was over, Johnny. The muscle car thing had run its fun, psychedelic course by the early 1970s. Rising insurance rates, falling compression ratios, and looming federal regulations effectively killed ...