View Single Post
  #3 (permalink)  
Old 10-02-2010, 04:42 PM
Jerry Clayton's Avatar
Jerry Clayton Jerry Clayton is offline
CC Member
Visit my Photo Gallery

 
Join Date: Jul 2005
Location: Bartlett, Ill
Cobra Make, Engine: Everett-Morrison LS1
Posts: 2,448
Not Ranked     
Default

Your talking about rpm or breaking off of the valve head???
Reply With Quote