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Old 04-23-2012, 01:08 AM   #4
grayharville
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Join Date: Jun 2009
Location: Murchison, Tx
Posts: 992
Re: thinking about getting a 07+ silverado/sierra

I have a crew 4x4 5.3 6 speed and get 15. However I have mud tires, a leveling kit, and drive it like its a rental. I have gotten 18 out of it before. Just be sure to find one with a 6 speed.
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70 chevy LWB 350/TH350 Barn find (AKA the 70)
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