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Power Strokes
7.3 Aftermarket
Another T4 thread
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[QUOTE="mikeeg02, post: 1472146, member: 24194"] The "DD" file probably just has a touchy pedal to make it feel responsive. Whereas their #4+ tunes for sure have their style of tuning, which has a soft roll in, and then hard on top. The main difference between them should be the pulse width on the big end of power. Though I did notice the #6 file can be smokey on the bottom, but its their race fil so its somewhat to be expected. But what I have found to like is the #5 file, for all around DD purposes. If you have any concerns with them, they are responsive to fix things to your liking. They went through emailing several tunes to find an issue I had, to get it all dialed in for me. Great bunch of guys to deal with. I even offered to give them more money because after they had it dialed in, and they said it was just part of customer support. Great guys for sure! [/QUOTE]
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