Originally Posted by snrusnak
^yes with the 4th gen trucks if you use ERS mode you can access all 6 gears. Doesn't matter if it's the 545rfe or 65rfe either. But the 2nd and 3rd gears are so close in ratio it's not really worth it, they are nearly the same gear.
I do agree with how so very close in ratio, 2nd(1.67:1) and 3rd(1.50:1) are to each other. It's as close as 5th(0.75:1) is to 6th(0.67:1). You can feel the rpm drop change if you are listening closely. But I think this RFE stuff has all been covered many moons ago, soooooo, Ya'll be good.