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...
Forum Discussion
Donnoh wrote:
I watched the TFL test of this truck tune going down hill and it whipped the engine to over 7000 RPM (way over redline) before it upshifted. No thanks.
The Duramax will also go over redline when engine braking - or would before the ones with the exhaust brake. I don't know if it's a big deal. That said, I wouldn't tune a truck that's under warranty. Just not worth the risk IMO. After warranty - tune the heck out of it. I tuned both my diesels and loved the increase in performance.
