Our beloved Teal-J Jeep has seen her share of modifications over the years, and one area where we never seemed to get enough performance was the stock 4.0L six. Its factory-rated 181 hp at 4,600 rpm ...

Engine swaps have been a part of the Jeep community since the first flatfenders landed in civilian hands. That’s because Jeepers are consummate gearheads and hot rodders, and seldom settle for “stock, ...

Back in July, Jeep debuted a concept vehicle called the Wrangler Rubicon 392. Engineers at Fiat Chrysler had worked out how to stuff Dodge’s big 6.4-liter Hemi engine into the Wrangler while keeping ...