Thread: How can I improve fuel economy?
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Old 06-18-2014, 04:35 PM   #2
bigrigpardo
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Join Date: Sep 2008
Location: NEW MILFORD NJ
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Re: How can I improve fuel economy?
overdrive trans like a 700r4 4l60 or 4l80 those would be best bet and cheapest depending on if you score a deal on used parts
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