Famously featured under the hood of the 1970 Chevy Chevelle SS 454, the 454 V8 is a big-block engine that helped define the golden age of muscle cars. Very few engines ever came close to the power and ...

Oooh, two General Motors V8s within a cubic inch of each other! They have to be nearly the same engine, right? After all, the Chevrolet 454 and Pontiac 455 come from the same corporate parent, and ...

Building Big BirdTom 455bird via CarCraft.com: I just bought a Pontiac 455 for my '68 Firebird. The car has its original 350, and I'm hoping to slip in the 455. I read "Junker to Thumper" in the June ...

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 ...

The Pontiac Trans Am 455 Super Duty arrived just as Detroit was being forced to turn down the volume on big cubic inches, which is exactly why it still looms so large in muscle car history. Built in ...

The 1974 Pontiac Firebird Trans Am Super Duty represents one of the prime examples of American muscle car performance in its time before government mandates killed the trend. Pontiac managed to ...

1964 was the year when the GTO came to be, with Pontiac originally offering it as an option package for the LeMans. The GTO could be ordered as a coupe, a hardtop, or a convertible, and sported ...

One of many now-retired brands that once flourished under the GM umbrella, Pontiac's golden years coincided with the peak of the muscle car. Competing against the likes of Ford and Chevrolet, Pontiac ...

There’s no better way to follow the social distancing recommendations other than getting yourselves a project car and bringing it back to tip-top shape. And this rare Pontiac GTO certainly makes for ...