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Power Strokes
6.7 Aftermarket
6.7 Tuning
Ppei tunes problem
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[QUOTE="FORDPWR, post: 1512249, member: 26210"] I have a 12 fully ******d ez lynk ppei tunes, 4 in lift on 35s. I have used the 0-150 sotf from day one and the 2nd gear lockup. It always shifted firm but it was quick and never slipped. After drivingit for a while 4th gear always had a harder shift so I asked for some changes. They sent me a bunch of tcm files to try and they all sucked. Most worked fine under half throttle but anything over that and the truck would shudder shift from 4 5 6. I went to ford and did a full trans relearn with ids, reloaded the 0-150 tune with the 2ng gear llp lockup drove it nice and did the relearn procedure of shifting the gears then doing the 1-6 shifts at certain rpms. Now the truck shifts awesome except for it still has the 4 5 6 shudder just not as bad. Anyone else having issues or is it just me? Truck shifted fine before I ******d it. [/QUOTE]
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