RCU Forums - View Single Post - evolution .61 poor performance
View Single Post
Old 10-30-2007 | 09:51 AM
  #3  
blw's Avatar
blw
My Feedback: (3)
 
Joined: Mar 2004
Posts: 9,449
Likes: 0
Received 2 Likes on 2 Posts
From: Opelika, AL
Default RE: evolution .61 poor performance

Try either an OS A3 plug, or a 4 stroke plug like the OS F or Saito SS. The A3 will probably be the best one for the engine.