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Power Strokes
6.0 Aftermarket
ECM Rollback
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[QUOTE="jdc753, post: 553436, member: 52"] I have tried to look up what my strategies were and what it changed to but I just can't find it any more. I had what was told to me a bad flash (for injector life, and mileage), and we rolled it back to an early 05 flash (I believe) I didn't notice any change in power or operation, but I pretty much lost 1-1.5mpg right off the top. Which was the whole reason I was getting the roll back in the first place. I ran that flash for a few months until just having the same guy install some PHP flashes on the truck, we ended up doing both of the PHP tunes and tried it on the dyno back to back with the factory tuning and there were no actual peak number changes, but my truck is already running xtreme race so I didn't expect any boost. We ended up leaving the truck running the big FICM tune. What I did get with the PHP FICM flash was at first a little more smoke down low (until my driving style adjusted) and it had a good bit better response down low as well. With that I also got a good boost in mileage, picked up what I lost with the rollback plus another 1-2, especially at highway cruising. [/QUOTE]
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