WP Developments 4R100 Transmission Brake

Is A Trans-Brake For The 4R100 On The Horizon?

Is A Trans-Brake For The 4R100 On The Horizon? WP Developments has been working side by side with Outlaw Diesel on a prototype 4R100 trans-brake. […]

FULL BILLET

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. […]

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INSIDE DIESELSITE’S LEGENDARY 4R100 Unlike the 5R110 TorqShift found in the trucks that superseded theirs, ’99-03 Super Duty owners don’t have the luxury of the […]
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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. […]
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7.3 Transmission Cooler Upgrade Kit

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 […]
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One Tough Tranny: A Mid-Level Ford Transmission Rebuild

The Ford 4R100 automatic transmission was introduced in 1999 and was mated to the 7.3L Power Stroke diesel engine. The 4R100 is a computer controlled […]