I see a lot of people posting about 5 star tunes. What gains are you seeing on the 6.8 Ford v-10? I have the 2v version in my Excursion. How easy is it to use and can you still use regular gas? Or do ...
Well worth the investment! With 5star it's not all about the power, but more about the shifting strategy and over all performance. You can get a tune in any octane rating you want, economy, towing or performance!