Beware that lots of info in FAQ is incomplete, outdated or just outright wrong.
In this case, it's partially incomplete. Rather than shimming all 12 spots, shim backside uncompressed rubbers. So when chain spins sprocket-carrier forward, it compresses normal unshimmed rubber cushions. Shims should only go on backside rubbers that's compressed much less when you let up throttle and use engine-braking. This results in much less pressure on shimmed stack and lots less squirming.
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