When it comes to crate engine suppliers, ATK is one of the less well-known names. Many custom engine builders tend to go with products sourced directly from automakers, like GM and its powerful LS ...
With more than 160,000 miles on the 4.0L I-6 in our 1997 Jeep Cherokee, engine performance and reliability are not as great as they once were. The engine suffered from various gasket and seal leaks, ...