I'm looking in scrap yards for a 4th gen rear. Still got a couple questions:

1) Is there a way to tell the gear ratio w/o pulling the cover off?

2). I understand the 2in difference in length, but am wondering:
a). does it look horrible with 3rd gen wheels?
b). can you just buy two 3rd gen wheels labeled "front" and use them in the rear to take care of the offset?

3). Is it absolutely necessary to but new valves if buying a 4th gen rear with disc's?

4). got pics of you cars stance with the new rear?


Thanks guys