vivivivivibration

the bolt hole that has been drilled and Heli coiled is drilled all the way true the flywheel.the heli coil only goes thru about half the thickness of the flywheel,that means that about half the thickness of the flywheel has a oversize hole in it.that far out on the flywheel,a small difference in the hole size might cause a lot of balance difference,IMO.The hole that is drilled in the flywheel goes all the way thru,hard to tell by the pics,but just thought I would let you know that.:thumbsup: