grouved combustion chamber design

[grumpyvette]

http://www.somender-singh.com/content/view/7/49/

http://www.herningg.com/projects/groovyheads.html

http://pesn.com/2005/10/13/9600187_Desi ... _Chambers/

http://www.herningg.com/singh/

well worth reading thru, the idea is to lower the tendency toward detonation and getting a more complete burn across the cylinder