BTW, the AX15 gear ratios are as follow (found on NAXJA)
1st. 3.83
2nd. 2.33
3rd. 1.44
4th. 1.0
5th. 0.79
5th gear IS an overdrive. Outside of BMW, most 5 speeds, 5th is an OD ratio. Also, everything I am reading says, the AX15 and 4.0L equipped XJ's have 3.07 ratio axles. Looking at the...