I have a 98 3.0 5spd with the 7.5 axle and 3.73 ratio. I'm wondering what the ratio changes to when you switch from 2/4 high to 4low.
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According to what I can find, your transfer case is a BW 1354 with a 2.48:1 reduction in low range. Your M5OD-R1 transmission has a 3.72:1 reduction in first gear and you've already noted your axles are packed with 3.73's. ...now all we need to do is multiply.... 3.72 x 3.73 = 13.8756:1 ….that would be total gear reduction, high range... 13.8756 x 2.48 = 34.411488:1 ...that would be total gear reduction, low range... If you want to know what this translates to in MPH, you need post your engine's low idle RPM and I need to know the height of your tires. Dean