Thread: At what power do yb engines need double valve springs??
View Single Post
Old Apr 7, 2010 | 08:17 PM
  #3  
scoooby slayer's Avatar
scoooby slayer
10K+ Poster!!
15 Year Member
Liked
Loved
Community Favorite
iTrader: (4)
 
Joined: Jun 2006
Posts: 10,212
Likes: 417
From: st neots cambridgeshire
Default
i dont think it has anything to do with power mate, its rpms and cam lift.
Reply
0