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Power Strokes
6.7 Tech
2015 4th gear tc lock
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[QUOTE="Ipkyss, post: 1281661, member: 1737"] My 15 has not had the best shifting or lock up in 4th or 4-5th shift from day one. 4-5 has always had a larger delay or stumble. And I mean more then the normal defuel it should. Feels entirely different then my fathers 14. His has nice quick, smooth shifts. Both trucks stock, and low miles. Hope it gets better with a new tune. [/QUOTE]
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2015 4th gear tc lock
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