hmm... Mine is on 70hp all the time. I didn't really gain much MPG but didn't loose any mpg. Then again I have never "babied" it a full tank either. Depending on my right foot, I get 13-15 mpg all in town driving.
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2004.5,
CTD, Reg. Cab,
SLT, 4x4
off-road,
285 BFG ATs, 48RE, 4.10s,
5" TBE, 6" SS tip, AEM Dry Flow, silencer ring MIA,
Smarty Jr, Autometer, Pyro, Boost, Trans, Raptor 100
Last edited by dustin88d : 07-05-2008 at 01:19 PM.