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These are ten of the most influential engines in automotive history. Each one of them made waves for rather different reasons ...

Steam engines and internal combustion engines (indeed, most thermal engines) need a very large gap in temperature between the hot engine and the colder outside world to generate power. Think of it as ...

The 2025 Ram Power Wagon is a beast of a truck, but now it could get even tougher with the potential of a diesel engine option in the cards. The Ram Power Wagon is the automaker’s heftiest version of ...

Tijo is an engineer, mechanic, and an avid content creator with over 5 years of experience as an automotive journalist. His media and publishing journey began with CarHP and CarIndigo, and soon ...

Matt Nelson is an automotive journalist with nearly a decade of experience in all things cars. He's spent years working at dealerships in sales, finance, and service. He's since traded in his pens and ...

The horsepower wars are alive and well, with automakers seemingly vying for higher and higher power numbers with each new generation of car, but want a quick way to up your car's power numbers? Now, ...

Last month HPP introduced to the readers a '64 421 H.O. Tri-Power engine buildup being performed by Jim Taylor. The goal of the project is to try and find 100 additional horsepower in a cast-iron ...