Last month, we took you through the tear down and inspection of Gary Schweitzer's '65 200ci six-cylinder engine at JGM Performance Engineering. We learned during the process that 35,000 original miles ...

In the era of downsizing, automakers are gradually moving away from high-cylinder engines. As a result, they are increasingly in favor of smaller, often turbocharged or hybridized powertrains. A few ...

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, ...