RCU Forums - View Single Post - need iformation on old diesels
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Old 05-03-2022, 03:03 PM
  #25  
beatsal
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Join Date: Apr 2022
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Thanks. Just to clarify:
Enlarge the prop hole by drilling with a bit one size up till it eventually fits?
A toothbrush may not fit inside the cylinder for cleaning.
Is the a connection between piston and contra-piston?