ENGINEERED TO LAST

INSIDE DIESELSITE’S LEGENDARY 4R100 Unlike the 5R110 TorqShift found in the trucks that superseded theirs, ’99-03 Super Duty owners don’t have the luxury…

Installing our Better than New 4R100

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 installing that beefed-up…

Keeping your 7.3l 4R100 Transmission Cool

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 not age; it’s excessive…