We ask an automotive engine calibration engineer how Chevrolet’s new 5.5-liter LT7 V-8 makes more than 1,000 hp. GM recently dropped the details on the new 2025 C8 ZR1. As an engineer who has worked ...

Increasing an engine’s compression ratio is a proven way of unlocking extra horsepower, but there’s a point of diminishing returns. The team at Garage 54, the Russian mechanics who built a V16 using ...

A fundamental difference between gasoline and diesel engines is that a gasoline engine uses spark ignition while a diesel engine uses compression ignition. Before we delve deeper, let's understand how ...

The difference between a stroker engine and a regular engine lies primarily in the choice of crankshaft. In the case of the 383-cubic inch stroker, engine builders would modify crankshafts designed ...

In every boat test we run, we include certain specs that we feel are valuable to our readers. Some of them may seem meaningless, but we wouldn’t publish them if we didn’t think they were important.