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Saw 47 for the first time this morning, it was right after start up and then saw it fairly often for the first 15 miles of my drive this morning. Usually see 47.5-48.5. I forgot to turn on the scan gauge before I turned the key this morning as I do often to check voltage when cranking. Temp was 38 this morning and it will be cold again over night this weekend to be able to check it nice and cold. I'm not one to spend money before I have to but this is an important piece. Truck is stock other than listed in my sig. Exhaust is stock but previous owner did remove the cat at some point. Battery volts was running around 13.5 and no electronic accessories to speak of.
If I do get it repaired now thoughts on the tunes from Ed? I do tow heavy at times so unsure I want to go with the atlas 40.
I see 47 pretty often and even a a 46.5 the other day and not worried yet. Ford says that 45 is the magic number. Some here will say they will change at 46, but 47 is still pretty good.
I run the Atlas 40 and a tow tune, gets great mileage now and before the Atlas 40, 12-13mpg, now I'm 14-15.5 in town.