You might talk about it often, but do you really know what compression is all about? Every engine has to make it and those that don't are hurtin' for sure. But, here's the confusing part, for this ...

Lots of displacement, more compression, and a ton of valve lift used to be the recipe for a typical professional-level drag-race motor. Today, this same description could just as easily be a serious ...

Compression: An automotive term used by everybody, forever. Let's get into some detail and maybe develop a better understanding. Pressure, and more pressure: It's a must-have to produce power within ...

DeltaHawk Engines of Racine, Wisconsin, said May 18 that the FAA has certified its DHK180 jet-fueled aircraft piston engine. The privately held company, founded in 1996 to develop a clean-sheet design ...