Those of you who drive older trucks might wonder about the magic that apparently gives newer rigs the ability to produce such impressive fuel-economy figures. You may know that newer trucks tend to ...

Here is the 30-percent B&J overdrive and installation kit (no adapter is required for Turbo Hydra-matic 400 transmissions). Included in the kit is a vent canister (that must be located a minimum of 12 ...

One of the greatest innovations of the '80s was the incorporation of overdrive into manual and automatic transmissions. Overdrive has been a terrific means to reduced wear, tear, and fuel consumption ...