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Old 10-29-2018, 04:12 PM   #2
Jeff Stout
Senior Member
Join Date: Dec 2001
Location: phoenix
Posts: 915
Likes: 9
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Default Re: altitude change problem

I'm guessing your tune up is set for Tucson? Im usually .25 to .28 faster in Phx. and about 3.5 MPH faster also. Im the opposite and set up for Phx air Sounds like its lean and excessive timing in Phx altitude in which helps bottom end power but hurts the rest of the pass. Just guessing
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