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Old 11-30-2019, 08:59 PM   #33 (permalink)
93tracerwagon
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Join Date: Aug 2013
Location: Illinois
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I have a 2017 full size chevy van with the 2.8 duramax and run between 31 and 33 on the highway with about 2500 lbs of payload. City running is about 19 to 20 with the same payload. A little aero work would probably do wonders.... GM Has done nothing with these vans other than a small air dam.
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