RCU Forums - View Single Post - UMS Evolution Radial Care and Operation
Old 08-06-2015 | 08:45 AM
  #1591  
Ted62
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From: CHAMBERSBURG, PA
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I just re-installed the 7-77 into my repaired H9 60cc Corsair and will be using the Keleo exhaust ring. I noticed some interference with the main needle valve - will rubbing the ring cause any problems down the road? I might bush it with a piece of brass. Thanks---Ted