The term "bigger is better" echoes in the minds of most diesel owners and usually goes hand in hand with making more horsepower and torque with their truck. Unfortunately, when the factory automatic ...

Long before the Allison 1000, Dodge 68RE, and Ford 5R110 transmissions were available, diesel truck manufacturers used transmissions originally designed for gasoline-engine applications. Remember the ...

The truck's original C6 had been rebuilt, equipped with a shift kit and heavy-duty components. The Ford's shortcoming was the 3.78:1 rear gears, which meant the 460 spins three-grand plus at highway ...