Hey all.rb20det got mines computer,r33 series 1 turbo,rb25 afm,3 inch exhaust fmic,boost at 13.5 psi gtr 32 fuel pump wired for 13.8 volts.my question is can i update the ceramic wheel to steel and wind on some more boost and will my injectors keep up or am i better off getting another turbo if so what type,,,im a bit over lag but i love the hit up high..are forward plenums a waste of time for a rb20..thanks in advance..