luisito-awo Posted July 15, 2010 Share Posted July 15, 2010 hi.. i got an 93 supra tt and i am plannig do the BPU and an feul pressure regulator and an EMS ecu and fine tune it. i want to make like 400-450 hp and boost the stock twins to 13/15 psi... to run hig 12 in 1/4 do I need to do some feul mods? like changing the fuel rails, bigger fuel pump, bigger injectors ect? Quote Link to comment Share on other sites More sharing options...
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