Inside Dorsey Diesel’s Stage 4 4R100
Tuning, turbo, and injection system technology has come a long way for the 7.3L Power Stroke in recent years. The amount o...
INSIDE DIESELSITE’S LEGENDARY 4R100
Unlike the 5R110 TorqShift found in the trucks that superseded theirs, ’99-03 Super Duty owners don’t have the luxury of th...
In our last issue, we had Remac Transmissions, in San Dimas, California, go through a Ford 4R100 auto trans to make it better than new. This time, we will be i...
A transmission is not something that most truck owners think about… until one fails, that is. The most common cause of failure in an automatic transmission is n...
