Join Date: Mar 2013
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just purchased a 7.3, some questions please tune in
Well, I drove 510 miles and bought a 2003 7.3 excursion with 117k miles on it. Has a cold air intake, 4" mbrp exhaust, and the 38r garret turbo upgrade. Supposedly the ecm is stock. However we got 19.1 mpg hand calc. and I wasn't driving for mileage. The thing puts out a decent puff of smoke from a stop and hazes black smoke at wot, which has me wondering if there is a tune in the ecm? Anyways, this vehicle will be pulling our race trailer 80% of its life. What would be a good tuner/programmer to get for towing? The tranny is stock and I don't want to roast it, and I don't want to hinder the mileage it gets, just want some more grunt for towing. I also plan on getting an edge insight for it. I use it on my cummins and like it. Also, anything I shoud watch for with this 7.3?
03 cummins - litte of this, little of that.. Tickled 700hp early 2013