Paul,
I received the damper loaned to me by J Smith and i fit perfectly
but we do have to machine the small ridge of Tracy left photo 3 to
have a straight surface for the perfect fit,the rivet head just
cleared or may be a slight machined on side of rivets heads photo
5.regarding the flywheel it does not fit with the damper photo 1&2
so as soon i get some dimentions of the 13-B RX-7 flywheelThere is
some photos to show the difference

Jean Prudhomme

I would NOT machine the rivets as the clamp force could be effected and cause
a failure. It would be better to mill reliefs in the motor cycle flywheel to
clear the rivets.

Dale Davies
    

Good idea Dale


Jean Prudhomme