F150 Ecoboost Stock Versus Tuned
As an owner of an Ecoboost that was tuned by Mike over at 5 Star, I can tell you his tunes are legit. They don't just add power, but the shift and torque converter improvements completely change the...
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I have no problem with it going to redline on descent braking. My bud has a 2012 Duramax that has hit 4500 rpm downhill, stock. He actually talked to an engineer on the Duramax. He said it will safely hit 5500 rpm if it needs to.
