We rebuild the engine in our 1991 Ford Explorer and address some common problems with the 4.0L OHV engine.

A small-block Chevy is a common motor for a 1930 Ford Model A car and, more often than not, it's that engine's distributor that literally gets in the way, requiring some sort of metalwork to fix ...

However, roller camshafts, such as those found in late-model 5.0 engines, are made from hardened steel, mandating the use of either a bronze or steel distributor gear.