just had a fidanza flywheel installed on the gsr and after driving it i really couldnt tell much of a difference between it and the stock one i assumed that with a lightened flywheel you would feel a dramatic difference in the way the car reved and i was told i wouldnt be able to drive it easily and it feels exactly the same as the stock one.... i also had a centerforce clutch installed and its making a scraping/spinning sound when i give it throttle i was told its the throwout bearing seating itself ugh i dont know what to think if someone could set me straight itd be much appreciated