R/C Tech Forums - View Single Post - Pics of my engine porting..
View Single Post
Old 10-17-2006 | 04:59 AM
  #17  
DaRollaRacer
Tech Adept
 
Joined: Jan 2005
Posts: 102
Default

I could almost swear that's a metal like 'sponge' inside the sleeve.

Dave
DaRollaRacer is offline