R/C Tech Forums - View Single Post - RB Concept Engine Thread
View Single Post
Old 02-24-2008 | 10:34 AM
  #74  
michael 1
Tech Regular
iTrader: (2)
 
Joined: Sep 2004
Posts: 401
From: san jose, ca.
Default

Roger,

25% is fine , I use 30% but i add .010 head shim, for fuel byrons 11% oil
michael 1 is offline