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Power Strokes
6.7 Aftermarket
Spar<>tan WarHammer_X race tune (revised 600HP)
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[QUOTE="CATDiezel, post: 1405908, member: 4387"] I would agree.... however. I cannot say enough about how well coordinated the shifting is from Spart-an. That keeps me very happy. I do see some other that seem to have an issue with their shifting. But after owning 2 6.7's. And driving around 5 at any given time over the last 5 years I can say this 2015 shifts flawless with Spart-ans tuning. BUT. I cannot comment on others as I have not tried them. And I'm 110% ocd when it comes to shift clutch fill timing on a curve. (Being linear to load) But as I mentioned in the he past the RPM vs Gear selection on the slopes of load is Early on Spart-ans tuning. I have learned to drive around it and have not uploaded the latest software beta I have that raised the shift points. [/QUOTE]
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Spar<>tan WarHammer_X race tune (revised 600HP)
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