Join Date: Apr 2010
Location: Gainesvile Florida
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Get rid of that Bully Dog tuner. The concensus is that basically the only type of tuner to have on a 6.0 is a SCT device with some custom tunes. Quite a few of the other tuners cause major issues with either the engine or the trans. Just a thought. Also flush the coolant and change to an ELC coolant at the same time get a bypass coolant filter on it.
2006 F250 Lariat CCSB 4x4 off-road
lifted on 35's (Toyo MT's)
Pure Performance 4 inch 4 link with Bilstein 5100's
SCT livewire with innovative tunes!