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Power Strokes
6.7 Aftermarket
Sct 7015 questions
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[QUOTE="monster14, post: 1061196, member: 16421"] I'm planning on doing full deletes next week but I got the tuner first so naturally I had to try it out. I installed the stock "performance" tune and i noticed an increase in power which was awesome but I was a little concerned about the tranny shifting violently. When I just mash on the throttle and run it through all gears it shifts smooth but when I would get on it a little on city streets then let off I could actually feel the truck shaking because the tranny was shifting so hard. My first though was that by bringing the rpms up and letting off before the truck had a chance to shift naturally I was throwing the system off. Can anyone give me any insight as to why it's doing this. Much appreciated. Side note...I haven't tried smoking the tires yet...I'm scared lol [/QUOTE]
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