The name "Nailhead" comes from the tiny valves Buick used in trying to make a V8 as slim as possible. The engine also was ...

With muscle cars slowly but surely transitioning to electric power, petrolheads love to reminisce about the glory days of massive V8s. However, many seem to forget the glorious 455-ci (7.5-liter) that ...

While not entirely obscure or forgotten as, say, any AMC muscle car, the Buick Gran Sport is tragically underrated. In 1970, the street super predators were the Chevrolet Chevelle SS 454 and the Dodge ...

The model year 1970 witnessed the departure of the 400 and the introduction of the 455ci (7.5-liter) engine, giving birth to the Buick GS 455. The engine could be had in multiple configurations. The ...

Back in the day, the GM pecking order started with Cadillac at the top as the luxury brand, followed by Buick, Oldsmobile, then Pontiac, which was the performance division, and finally Chevrolet at ...

The 1970 Buick GS455, especially in Stage 1 trim, was one of the muscle car era's true sleepers. Though appreciated in its day, it wasn't until 15 years later when the March 1985 issue of Muscle Car ...

We're always on the lookout for big horsepower, but we're also open to combinations that we don't see every day. The B.O.P (Buick, Olds, Pontiac) contingent doesn't get much love, so when we found ...