This video takes a close look at a Caterpillar D4 engine inspection, revealing rusted connecting rods alongside surprisingly clean pistons. See what internal wear, corrosion, and condition details can ...

Is it necessary to resize the big end of a connecting rod after the rod bolts have been changed? We've heard different opinions on the matter and decided to conduct a test to determine what's right ...

A legal battle over General Motors' defective 6.2-liter L87 V8 is officially marching on.Earlier this week, a federal judge ...