5S-FE MK2 Non-Turbo Engine question about valves/springs [Archive] - Toyota MR2 Message Board

5S-FE MK2 Non-Turbo Engine, valve, valves/springs, springs, 1mm+, head, 3sgte, valves, bigger, cams, combo, 5sfe, good, make, planning, power, suggestions, upgraded, train, modification, fine, fits, question, find, size, heard, work, sizing, listed, confirm

ok, so i was looking into getting some better valves/springs for my 2. its a 91 na, but all the valves i have seen only fit 92+. i also have heard that a 2jz valve is a 1mm+ size and fits fine. the only springs i can find are hks, but are only listed for the 3sgte. can anyone confirm the 2jz valve sizing is a 1mm+ and that it can work with head modification? also, does anyone know if the 3sgte valve springs would fit the 5sfe head? and if so, would it be a good combo with the 2jz valves? i am