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Old 04-25-2017, 11:31 PM   #17 (permalink)
EcoModding Lurker
Join Date: Apr 2017
Location: kitchener ontario
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New here but our delivery truck is a 2014 with the 6.7 cummins and highway we get around 22MPG and 17-19mpg city depending on traffic

its been "fixed" of course though

a lot is in the use as well. running your fuel supplement at all times, cleaning the turbo and intercooler each year.
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