BMT Forum Bot Posted January 23, 2012 Share Posted January 23, 2012 "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 requests.View the full article Quote Link to comment https://www.bigmacktrucks.com/topic/22816-trucking-news-tall-gearing-and-a-big-engine-deliver-12-mpg-in-a-class-7-truck-expedited-freight-hauler-claims/ Share on other sites More sharing options...
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