I will reply to myself :), Also the differencies I have found between the LJ70 and KZJ70 are:
KZ came with an R150 gearbox, the LJ has an R151, the 150 has a slightly longer 1st gear.
Diff ratio's on the KZ are 4.56, LJ Ratios are 4.88(well 1991 and up, or the square light model).
LSD in the...