You'd probably get more responses in the Early Toyota Forum instead of here.

You might want to check out:
Project 4Crawler

You also might want to do a search in the Early Toyota section.

'89 3.0 4Rnr: Jacob's Electronics, K&N, CF Dual Frict, 4:56 w/ Truetracs, 33 BFG AT/KOs, Cascade Audio, Pro-Comp 4" susp & 2" body (previous owner)

I know, a lot of wasted time and money ... if I knew then what I know now....