Editor's Note: The purpose of the Shop Series has been to acquaint and enlighten the car enthusiast with some of the more involved aspects of automotive mechanics, vehicle repair and modification. As ...

We may receive a commission on purchases made from links. Owning a vehicle is an expensive undertaking, especially with the cost of gas on the rise again. Repairs can also be costly and difficult to ...

Numerous articles and stories have been prepared by hundreds of experts on how to improve the internal combustion (IC) engine for more speed, power or what have you. Millions of dollars worth of ...

Some of these are gonna seem pretty basic. But everybody from the beginner to the seasoned engine-tuning veteran has probably been guilty of misdiagnosing a poor-running engine at some point in time.

Want to know how healthy or unhealthy your engine really is? Get yourself a compression tester and find out. Despite how complex many modern vehicles are, you can do many common repair and maintenance ...

One of the more difficult technical aspects of diesel performance is choosing a turbocharger. If you put enough fuel through a diesel engine, it's going to run up against a point where the stock ...

NASCAR Cup engines live in a strange space: they are tightly regulated, largely hand built, and expected to survive hours at ...

When it comes to classic American muscle cars, you'll hear the terms "small block" and "big block" thrown around quite a bit. As one might assume, it's in reference to the actual physical size of V8 ...

For the most part, car engines are pretty conservative things—the vast majority of the cars you see and drive use one of a handful of basic engine designs and layouts. That's why unusual engine ...

Subaru has unveiled today the third and latest generation of its trademark horizontally opposed or ‘boxer’ engine, the first major redesign in 21 years. The first Subaru boxer engine was introduced in ...