A small gap with big importance in the performance and health of an engine - here's everything you need to know.

Jeff Blitz purchased his '66 Chevy II Nova four years ago, complete with a carbureted 10.5:1 355ci small-block Chevy, a TH350 automatic with a 3,000-rpm stall-speed converter, a 3.55:1 12-bolt rearend ...

Back in 1983, I inherited my grandfather's 1973 Buick Apollo, equipped with a low-mileage Buick 350 V8 engine. The car is mostly stored, but I start it up and exercise it every few years. The last ...

Engine noise makes us more nervous than any other automotive sound because noise can mean expense and inconvenience. And, sometimes engine noise is nothing more than a normal dynamic of the engine’s ...