My 91TT is fanilly showing signs of needed major upgrades from turbos & injector, to ECU etc..... My question is: my do you guys recommend for turbos {GT-675RS or GT725R}?...need turbos that will respond quick....Injectors {740cc or 850cc}? ....ECU-upgrade Jim Wolf or Z1 Motorsports? this will not be a track-car but a weekend one with a lot of HP......Thanks in advance