upgraded ct(57,60 trims work fine), full 3" elbow back, 550's or rebuilt 440's, afpr, maft-pro, fmic and 2.5" hard pipes, wideband(lc-1, aem, fjo, ect..), 255 pump,MHG and arps.
and call it a day. now 5sp will need a upgrade clutch for it to last, auto should have shims and a good trans cooler.