RCU Forums - View Single Post - OS .15 Steel Fin?
Thread: OS .15 Steel Fin?
View Single Post
Old 04-09-2012, 02:57 PM
  #4  
eagle1945
Member
 
Join Date: Sep 2009
Location: Providence, RI
Posts: 68
Likes: 0
Received 0 Likes on 0 Posts
Default RE: OS .15 Steel Fin?
some of the older engines had a pressure tap that was either in the back cover plate or one of the screws that hold the cover on had a replacement screw that had a fitting with a holeto provide crankcase pressure to the tank. 
eagle1945 is offline  
Reply Like