A stock fuel pump won’t cut it for a custom engine build—so we’re upgrading! In this video, we walk through the full fuel ...

A handbuilt 9.4-liter Hemi crate engine delivers 700 horsepower on pump gas and includes an uncommon three-year warranty.

Building a performance engine isn't difficult, and it doesn't have to be expensive, but it does take knowledge and planning. We spent a couple of days at JMS Racing Engines, in El Monte, California, ...

Positive Crankcase Ventilation—three dirty words, but do they really need to be perceived that way? In general, the PCV system has two main functions: vapor relief and liquid separation. PCV systems ...

We may receive a commission on purchases made from links. The 5.7-liter Hemi was the first engine of Chrysler's modern Gen III V8 family, introduced in the 2003 Ram trucks. Since then, it has been ...

Modifying motorcycles to make more speed by reducing weight is a tradition stretching back to before WWII. These "bob jobs" or "bobbers" strip anything not necessary, leaving a lighter and nimbler ...