I got my info from a mix of fueleconomy.gov site and forums via google search. The S/C VG33 max tq starts at 2,800 rpm and 4,800 rpm for hp vs the 3.8 in the Montero at 3,250 rpm for tq, and 5,500 rpm for hp. That maybe a good place to start, and then see from there where your crusing rpm would...