Jeff Spitzer wrote:

Archie Frangoudis wrote:

In the early days of racing with automatics, prior to the introduction
of
racing planetaries, we could purchase slightly oversize gears which
would take up some of the clearance, and reduce shock breakage.
Am not sure if these are still available, but may help in these
compromising situations.
Archie

It is likely that what you all are hearing is resonance rather than just
backlash.  Tightening the clearances may change the resonant frequency
slightly but will not eliminate the problem.  Just don't run there.

Jeff Spitzer

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