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extreme x

  1. innovative tunes weird shifts

    6.0L Performance Parts Discussion
    i have an 06 with Innovatives Xtreme X tune. at half pedal the torque converter locks and unlocks randomly and shifts really rough. full throttle it shifts perfectly. Is this just a bad tune or are there more peoploe with this same issue, and if so, what other tunes would you recommend that have...
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