Thread: C10 Build - what's the latest/greatest swap for best mileage?
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Old 03-12-2014, 10:41 AM   #14
bshepherd1
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Join Date: Dec 2013
Location: Addison Michigan
Posts: 17
Re: C10 Build - what's the latest/greatest swap for best mileage?
4bt cummins and a five speed will get you around 25-30 mpg and still tow and haul
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