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  #18  
Old 11-25-2004, 09:20 AM
kanicbird kanicbird is offline
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Join Date: May 1999
Posts: 18,363
Back in my college days I found a artical stating that the lowering or removal of the tailgate, contrary to popular believe, actually increases drag and decreases MPG. It also has the effect of unloading the rear wheels at speed. The theory is that air has to travel further down in the bed, which cost energy to do. This was many moons ago, perhaps the laws of physics has changed since then.