Can you drill and tap them?
Bill B
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Richard Sohn Sent: Friday, November 02, 2012 2:58 PM To: Rotary motors in aircraft Subject: [FlyRotary] Mixture
Took the engine apart and found the previously mentioned holes in the exhaust port wide open into the oil pan. Now I have to find a good way to close them. Anyone having a good idea?
Richard Sohn N2071U http://www.fairpoint.net/~res12/home.html