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Old 01-09-2012, 09:30 PM
IN2H2O's Avatar
IN2H2O IN2H2O is offline
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Join Date: Apr 2011
Location: Savannah, GA
Age: 41
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Vehicle: 2003 Dodge Ram 1500
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I drag a 6x10 enclosed trailer down I95 all the time. It's no cummins but the 4.7 does a pretty decent job for me. It will pull at 80mph but it much prefers 70, especially when the air temp gets above 88F.

Shortly after buying the trailer I did have to rebuild my transmission (248K miles on the orig) and it showed heat on the clutch discs. I upgraded the torque converter to one with carbon fiber discs and braised fins that is built to take a bit more load than stock. I'm sure driving at 70mph could have extended the logevity but I can't stand all the dirty looks I get.
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