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

Over the past year, we assembled two very mild small-blocks aimed at the typical hot-rodder looking for a solid street engine built on a budget. Once both engines were assembled, HOT ROD editor John ...

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 ...