Quote:
Originally Posted by Megaflow
I have a 2003 6.0 and a while back I had Bill roll back the FICM to the earlier strategy and the ECM to a custom rollback program. My question is I see the FICM programmer for sale and the Atlas 40 and Atlas 80 programs and wondered what is the difference from my rolled back 2003 stragegy to the Atlas programs?
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You should see a additional power gain with the A40 or A80, the magnitude depends on how much power the ECM programs Bill made for you make. I don't think you'll see a mpg gain though, as you have the "mileage FICM program" already.
just my $.02
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