inefficient today to consider that GM was producing unique 455 Pontiacs, 455 Oldsmobiles, 455 Buicks, and 454 Chevrolets--four engines within 1 cubic inch of displacement--all at the same time.

A Buick may seem like an unusual choice for the small-block class of HOT ROD's 2015 AMSOIL Engine Masters Challenge, but with the factory 400 dimensions it was possible to meet the bore and stroke ...

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 ...

The second-generation Regal came with anything from a 196-ci gas V6 to a 350-ci diesel V8. The most desirable powerplant of the lot, however, is the 3.8-liter turbocharged V6 in GNX specification.