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Power Strokes
7.3 Aftermarket
Poor fuel mileage
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[QUOTE="Trucknut661, post: 1486060, member: 28225"] My buddy's dad tried using his program at the shop and ford tried as well but they said because the tires are 40's it won't let them adjust it. I guess they have a certain size they can go up to for adjustments on 7.3's. They said if it was a 6.0 it wouldn't be a problem since it has all the electronics. So I called a diesel performance shop that specializes in tunes and they said they would have to build me a custom chip which has all my mods, tire size and gearing factored in to the chip so when I hook it up everything will read right. They suggested php hydra chip. I am not trying to adjust the speedo, I'm trying to adjust my odometer so I can get my mileage to read right and not have to keep hand calculating. [/QUOTE]
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