If this sight makes your stomach turn, this LS V-8 swap may not be for you. This was our Wrangler's recent gas mileage while romping around the lakebed in Johnson Valley, California. JK Wrangler LS ...

The 1987-90 YJ Wranglers launched the EFI era with throttle body injected 2.5L AMC four-cylinder engines. The legendary 4.2L inline sixes remained carbureted through 1990. In 1991, Chrysler switched ...

Owning a classic car, truck, or SUV is a largely joyful experience, but there are definite pitfalls that come with the territory. Having a vehicle that is decades old in your driveway or garage often ...

I'm planning to retrofit a late-model LS engine into my 2002 Jeep 4x4, and want to fabricate my own exhaust headers. It needs to conform to California emissions standards. I don't want ugly "smog" ...