might have already seen it http://www.4wheelparts.com/4wp/assets/!!!---CHARTS---!!!/chart_gear-ratio.htm
I don't feel as bad now. I actually fall borderline between the red and green. On the red side. That is with 3.80 gears and 245/60r15 at 26.5". Still, cruising at 70 with 3250 RPMs sounds loud and high.