OK Mike...
Just got back from running same road same direction same day,weather etc. this time in direct(3 on shifter JCJ). 70mph=2850rpm and Inst Econ bounced between 9-10mpg. 3.73 ratio might help, but could cause loss of milage also as eng would be pretty well off it's torque curve @ 70. Definitely would be harder to get up to cruise speed and would consume more fuel getting there. My "Seat of the Pants Dyno" tells me the H2 is working alot harder at 70mph than at about 63 or so.
don
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