Thread: comparison with st170 and focus rs head
View Single Post
Old Oct 20, 2008 | 01:52 AM
  #5  
scotty86d's Avatar
scotty86d
Too many posts.. I need a life!!
 
Joined: Oct 2005
Posts: 715
Likes: 1
From: Uxbridge/Brighton
Default
Originally Posted by R5AAL
St has variable cam timing,totally differnt units.- knew that bit
FRS has sodium filled valves though lol-good to know, can you get aftermarket ones for the st head or will they fit straight into the st head

so the st170 head is better flowing?or just has larger inlet ports
Reply
0