Originally Posted by canuckder
There isnt to many things i could do after that. other then changing the injectors. or is there?
Cone filter + M30 AFM + #19 injectors + chip
depending on how much money you want to spend you can also do cams, big bore throttle body, headers, extrude hone the intake etc etc.... check out the M20 section on e30tech for extensive discussion of each of these mods.
but for cheap brute power just boost the car and you'll make more power than any n/a M20... check out the F/I section of the forum for discussion as well as the F/I section on e30tech