killerb
+1y
S4 is 86-88 S5 is 89-91, by the way I have a T2 swapped into mine. 3rd gen motor takes up just as much room as the 2nd, I had to make my own motor and trans mounts anyways, looks very at home.
On the LSD thing 84-85 Gsl-se came with a 26 spline lsd that will swap into the rearend of the truck, different gear ratios too!