Q Recently my son-in-law replaced the 42RE transmission in his '96 Jeep Cherokee with one purchased at a salvage yard. The transmission works well in all gears except overdrive. It will not go into ...

Over the years, the trucks have certainly become more sophisticated. Take transmissions for example. At one time the only choices were "three-on-the-tree" or "four-on-the-floor" manual boxes. When ...

Since the health of our planet became a major societal focus decades ago, automotive engineers have been on a mission to find a balance between performance and efficiency. In the past, the two ...

Retro-fitting modern, overdrive transmissions into early musclecars is nothing new, and with the rapid raise in gas prices (only two dollars a gallon as this is being written) the trend is sure to ...