Keeping tabs on your transmission’s vitals has always been tough, because unlike your engine, most trucks do not have a transmission fluid temp gauge, or even an idiot light. And if you are like us ...

We’re pretty sure there are statistics somewhere that will support our incredibly wild guess that more diesel pickups in service today are equipped with automatic transmissions than manual gearboxes.

In the quest for lower e.t. 's at the dragstrip, we usually focus on installing horsepower-producing parts or traction-generating bolt-ons, but we pay little attention to making sure the hop-ups are ...