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Hi all I got my hyper tech tunner for my 2002 f-250 5.4
It has the tunning for 87 and 93 octan gas I have only used it with 87 so far and can tell the differnce in power and milage.
was getting 15.5 on the hwy before and after this weekends trip from houston to brackettville I got 17.0. Ran the same speed as always and with the ac on.
The truck did not down shift going the small hills as did before.