Ok so here is a little back story before I ask for some help. I had a 97 S14 years ago which I totalled from hydroplaning on the highway. So I swapped the engine into an s13 coupe which has since been sitting in my parents garage while I was in college. I have now graduated and I am looking to finish my project.

I have not been in the car scene for a bit so please bear with me. Here is where im at:

One of the few things that did not directly swap over was my Kaaz LSD. Also the tank needs to be dropped and cleaned out because the gas is bad and the car is 20 years old. So if any of you guys have any tips for this it would be appreciated. I have searched and found nothing about dropping the gas tank although I know the diff does need to be taken out anyway.

Also which axels need to be used for the LSD?