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Power Strokes
6.4 Aftermarket
MCC / DIY Tuning for 6.4
Later MPH on 5TC lock up?
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[QUOTE="drunk on diesel, post: 1281932, member: 2558"] I realize that your truck with 37's and 3.55's must have some crazy output VSS speed... it could be outside the parameters in the MCC firmwear but the fact that raising the Tow Haul shift point to 90mph or whatever prevents it from shifting into 5th tells me that it's possible to make the truck hold the 5th gear shift higher than 65mph my offer still stands [/QUOTE]
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6.4 Aftermarket
MCC / DIY Tuning for 6.4
Later MPH on 5TC lock up?
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