Far as I know, most of these require some sort of piggyback system to control. I've heard assessport you could get maps.. but in some ways, each set up will be slightly different and external environment will cause change of map.. So, I'm not sure if its well worked out system or not.. Of course I haven't driven one.. But I have seen one with a turbo couple of years ago.. but that car ran like ass.
Also, why coil upgrade?? RX8 coils are used by Le Mans 3 rotors making more HP NA at higher RPM?? I can't imagine stock coils are that bad that you need upgrading for 350RWHP?? Stock FD coils will handle over 400 with out any issues.. Some run over 500!
But most importantly, its the design of the engine that gets me... It lost so much exhaust pulse before it hit the turbo.. I'm guessing running anything large would be very laggy.....
For 5000+ you could get a new rebuilt 13B-REW and stock 99 280HP twins that will make easy 320-350 RWHP.... and have money for a PFC.. Turbos will be very responsive and proven by 3rd gen owners that it will last!
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