'Tall' gearing and a big engine deliver 12 mpg in a Class 7 truck, expedited-freight hauler claims
Engine Smarts column by Tom Berg, Senior Editor “Tall” gearing and a large engine are giving an expedited freight hauler the high fuel economy he sought, even if most factory engineers won’t approve his spec’ing… Read More »'Tall' gearing and a big engine deliver 12 mpg in a Class 7 truck, expedited-freight hauler claims