S&S damper lift tray "clunk"

[A440A]

Conrad writes:
>am I
>inviting disaster if I just move the tray to the right [with dampers lifted]
>far enough to remove the block?  As I recall, it is simply an unbushed hole
>and may respond to sizing. 

  No, but sometimes you may need to loosen the guide rails to avoid bending or
breaking things. 
  When you have the block out, it is easy to index the hole's location,and
then drill a 1/2" hole, install a 1/2" plug, and redrill the hole.  It is more
surefire and permanent than sizing. 
Regards,
Ed Foote