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Message: [QUOTE="SLO DZL, post: 633021, member: 2015"] Ok, so ive been building a lock up tune for my trans to make it shift more like my 11' I had last year and ive got the shift points, line pressures, and slip times all about were I want them so the truck shifts right....but im having a surge issue in both 2nd and 3rd gear just before its time for the trans to up shift. It only happens with light throttle, 8% or less, and if I push the throttle over 10% it doesn't do it. Of course, I drive like a granpa and my truck rarely sees anything over 10% throttle so this affects me every time it shifts thru the gears. Has anyone else tried making a tune like this or had a similar surge issue on light throttle? Guess I should add that my truck did something very similar on the new xrace tune, Innovative said I was the 1 out of 10 person that had that issue :shrug: [/QUOTE]

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2.5" in front,4" rear. 35x12.5x17's.

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Alaska

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