With every passing day the Mule provides opportunities beyond our original expectations. Since the 467ci engine belongs to HPP editor Tom DeMauro, it is at our beck and call. This affords HPP the ...

Compression in a diesel engine is essential for effective and efficient performance. And when compression is lacking, damage can result. That is why it’s imperative to know whether your engine’s ...

When it comes to V8 engines, there are many examples that spring to mind as powertrains that evoke a certain degree of emotion and respect. In Ford’s case, it, too, has plenty of V8s that have formed ...

The twin-turbo 3.0-liter V6 found in the early Porsche Macan S and GTS was prone to cylinder scoring – something certain 911 ...

"There's no replacement for displacement!" This has been the battle cry of big block fans everywhere, and for good reason. A Chevy big block brings the thunder, whether you're roasting tires with a ...

Rotary engines have an aura of cool. In games of Top Trumps, the V12 might have been king, but a rotary was a joker, a wild card. A lack of mainstream success no doubt contributes; there are reasons ...

The cause of "white exhaust smoke syndrome" could be as innocuous as water in the exhaust pipes condensing and boiling off or as serious as a cracked head or block. You can narrow down the cause by ...

OBD-II diagnostic device BlueDriver interprets engine error codes to suggest what might need fixing, and lets you know if your car is ready for a smog check. Wayne ...

Infiniti has revealed an engine concept this year, and it is of the variable compression kind. While not the first of its type as a concept, this motor might bring a new line of internal combustion ...

The first RAM with a Cummins engine under the hood was launched in 1989 and has continued to evolve, now in it's fifth generation. In 2003, the popular heavy-duty truck offered the Cummins third ...

Car manufacturers are delving deep into their boxes of tricks to make internal combustion engines more efficient. Infiniti unveiled a variable compression ratio engine last year, and hybrid technology ...