This is why I need a 20 position chip... I was trying to shorten the PW and raise the ICP by the opposite amount. IE lower PW 10% and up ICP 10% thinking less fuel but better atomization...
I am wondering how advanced of the SOI would be safe at my altitude. wondering if there is a guideline like 1 degree per 1000 feet elevation for example. Now Cody is suggesting the SOI is not a big influence on economy right? I'm trying to get a good fwy econo tune thus I am working in the 1700-2200 rpm range with my mods. Cody, Do you think pulling the MFD down on the low end of the APP would have a bigger effect? the downside is that would affect the whole RPM range at that APP
Dave, say hi to Santa for me and tell him I been a good boy(lie) being you live in the same town as him
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DJ Phoenix (my modded) Hi-1200/240Tow/75FS/80DD/100/140SS +Minotaur
ASE Master Auto Technician 
2001 Ford Excursion 7.3 4x4
Projects. 1970's Hustler and Max II Amphibious ATV's
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