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Old 01-14-2008, 02:33 PM
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Has this been asked before??

It's about millage, since fuel cost have gone up I have taken to driving slower. Trying to keep it around 55mph, and yes this does give me better millage about 2MPG. The question is why?? Why is my truck designed to get maximum fuel economy at 55 mph and not at say 70 mph? What world do the engineers live in? I live in Texas. Jeff Foxworth says you know your in Texas when the speed limit is 55 your driving 80 and everyone is passing you and giving you dirty looks. But seriously why aren't our trucks geared to give us our best MPG at 70 MPH? Face it reguardless of the speed limit most of us drive faster than 55 MPH most of the time.
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Old 01-14-2008, 02:53 PM
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Most people tow with their trucks and they are geared for towing from the factory. If these trucks were designed for fuel mileage they would have much higher gears say 2.73:1 in the rear instead of 3.73:1. But you dont buy a 8000 pound truck that is 23 feet long to get 30 miles per gallon, it would be nice but unrealistic. You buy that beast of a truck because you need to tow trailers and haul stuff in the bed.
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Old 01-14-2008, 03:15 PM
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i cant agree more you buy these toys to work with in some sort of manor not fuel eco
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Old 01-14-2008, 03:48 PM
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It would be nice if they had two speed rear axles. With 2:73 's and 4:10 at the push or pull of a button. Drive back and fourth to work or shift to pull you gooseneck or fifth wheel. Or at least offer it as an option.

Jim
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Old 01-14-2008, 06:35 PM
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That would be a cool option Jim.
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Old 01-14-2008, 09:13 PM
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i think thay do make a two speed that bolts after the tranfer which only dose the rear end i do not know if thay have any thing that gose befor the tranfer that would be nice
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