>  In your opinion and experience; which fails the soonest - outer or
     > inner oil control o-ring?

     >
     >  I have no idea Jean. Bruce Turrentine might be able to answer that as he
     >  has overhauled many engines.
     >
     >  Paul Lamar

     > By my observations.........The outer O-ring is usually the one that dies
     > first. Sometimes disintegrating by more than 50%! I recommend that the
     > e-shaft thermal pellet be bypassed/disabled in all engines. This one
     > modification can greatly enhance the life of the rotor oil seal O-ring.
     > Bruce Turrentine

Jean Fouche wrote:
     I was aware of the oil pressure actuated spray jets for rotor cooling but not
     thermal pellets. Can you please inform me where these pellet/s are situated?

     Thank you
     Jean

It is in the nose of the e-shaft Jean. Get Bruce's overhaul video or Tracy's
Crook's book and they will explain how to disable the the oil thermostat.

Paul Lamar
 
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