View Single Post
  #17  
Old 03-14-2013, 09:37 PM
phoenixpnr phoenixpnr is offline
Senior Chief
 
Join Date: Mar 2011
Location: Keymar, Maryland
Posts: 337
Default

My 57 heads have what looks like "brass" tubes. One is a little beat up on the end but the other is all but crushed.
How important is the fit to the opening end of the head for proper cooling?