Thus, Pontiac added a new 455-ci (7.5-liter) engine, officially called the 455 HO (High Output). Curiously, the HO was officially rated at 360 hp, only 10 ponies more than the standard 400.

CI big-block V8s in the late 1960s and early 1970s, one each from Oldsmobile and Pontiac. But how did these two engines ...

The escalating worries regarding environmental sustainability and the exhaustion of fossil fuel resources have sparked concerns and extensive exploration for substitute fuels for internal combustion ...