RCU Forums - View Single Post - Stihl MS660 big bore conversion.
View Single Post
Old 06-14-2016 | 06:33 AM
  #157  
Gizmo-RCU
My Feedback: (27)
 
Joined: Sep 2002
Posts: 2,155
Likes: 0
Received 0 Likes on 0 Posts
From: Athol, ID
Default

Use the Synthetic, costs a little more but works well for me. A little cleaner, less carbon in my opinion.