Do you have stock injectors? Most mines computers are just changed timing and fuel maps with speed cut removed but stage 2 and 3 Mines ecu's have settings for z32 afms and bigger injectors. If you put one of these ECU's on your car and you dont have the injectors or AFM it will run like crap.
But anyway that wasnt your question.
With a front mount you can run up to 15psi (1 bar). I did and its fun
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SilviaWA
1992 180SX: cwest, vertex, wise, pivot, gemax, embleton, kyb, blitz, whiteline
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