RCU Forums - View Single Post - enlarging spark plug hole
Thread: enlarging spark plug hole
View Single Post
Old 01-25-2010 | 01:24 PM
  #6  
jtisch's Avatar
jtisch
 
Joined: Apr 2005
Posts: 749
Likes: 0
Received 0 Likes on 0 Posts
From: Federal Way WA
Default RE: enlarging spark plug hole
John,
DO NOT enlarge the hole! The plug hole is VERY close to the valve seats/valves and running a drill/ tap through there will almost certainly hit them. As you may have noticed the head and cylinder is one unit and it is darn expensive to replace.

John
jtisch is offline  
Reply Like