View Single Post
Old 02-20-2013, 05:55 PM   #15
upflying


 
upflying's Avatar
 
Drives: '86 Monte Carlo SS
Join Date: Nov 2010
Location: Reno, NV
Posts: 3,119
An engine does not need a valve spring with a Desmodromic valve system.
http://en.wikipedia.org/wiki/Desmodromic_valve
upflying is offline   Reply With Quote