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Old 01-06-2011, 04:03 PM
929rob 929rob is offline
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Join Date: Oct 2009
Location: N.W. Pa
Posts: 14
Gender: Male
Vehicle: 2009 RAM 1500
Trim Level: slt
Color: inferno red
Engine: 2008-???? 287ci (4.7L) PowerTech V8 310hp 330lb/ft
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I have an 09 slt crew with the 4.7 and 3.55's and 20" wheels and get around 15-16 mpg in the summer. It drops to 11-13 in the winter. If i change my truck to 3.92's or even 4.10's i would. In my opinion the 3.55's bog it down too much.
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