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Old 07-25-2015, 07:03 PM   #23 (permalink)
ToddT58
Alternative Fuels Addict
 
Join Date: Nov 2014
Location: Arkansas
Posts: 38
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I've touched 22mpg a few times over the 345,000 miles with my 7.3 with 3.73 rear end. What does your truck do withOUT the cetane boost? What other mods did you do to get the 22mpg? That's pretty good.
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