How does MS and EDIS compare in performance to say the jacobs unit? How much fabrication is required to make edis work and what do you need to run the stock tac?

Lots of questions I know.

(aka suprathepeg, aka Sean)
89 v6 SWB truck "BLACK BEAUTY" EB valves, P&P head 30 over.
95 FZJ80. Lifted. locked and rollin on 33s (my dream machine)