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Old 04-28-2011, 09:10 PM
yankeeyardworks yankeeyardworks is offline
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Join Date: Nov 2005
Location: 04032
Posts: 19
i have a 2011 2500 hd with a duramax and allison tranny,,im getting like 17 hympg and towing i get around 12 mpg best truck going on my own opinion,,ill never go back to gas again ,,,,,,,i have a 04 3500 duramax dump, and my 2011 silverado duramax
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