i had fitted an exedy stage 1 clutch with a fidanza light weight flywheel on a bugeye sti but eversince i get really bad vibration through the hole car at low revs idle is fine but when i reverse, change down or up at low revs (under 2500rpm) the hole car shudders i was told to do a few launches to see if that changed anything it has a bit but not a lot. i no its the clutch because it smells really bad in reverse can anyone please help me.