Horsepower For An Hour

We'll look at GM's new 6 cylinder engines compared to Ford's 6 cylinder eco boost series.   EarthRoamer XV-HD is a $1.5 million-dollar monster RV   We'll revisit the 7 vital powertrain systems of your car and when to service them   Talk of Detroit Performance continues to be a hot button topic. We'll discuss the top performers from Ford, Chevy and Dodge