Here's a few threads that might help ya out:
https://forum.ih8mud.com/threads/80-series-axles-suspension-under-a-first-gen-tacoma.971192/
https://forum.ih8mud.com/threads/tacoma-double-cab-toyota-solid-axle-swap.128851/
02 Tacoma doublecab 3-Link on FJ80 axles -...