just installed exedy stage one clutch about 4 thousand miles ago paired with the oem flywheel and eversince the install i had the normal break in period of 1500 to 2000 break in the clutch after that it was fine until recently i noticed everytime i engage into first gear from stop or down shift to 3rd or to 2nd my whole drivetrain shakes up...any ideas on what might be the problems?