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post #2 of (permalink) Old 05-26-2010, 06:51 PM
Spartan Diesel Tech
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Join Date: Dec 2009
Location: Georgia
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I get decent fuel mileage with my Spartan tuner. I have seen as much as 19.7 highway hand calculated with the latest 275 tune. That was on 35" Toyo Open Country AT's. With my new Toyo Proxes (32"), I made a 200 mile drive and burned less than half a tank. That is also with the latest 275 tune. I ran between 1900-2200 RPM the whole trip.

Jeff Dodd - www.SpartanDieselTech.com
Email - [email protected]

2008 Ford F-250 CC/SB
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