<VV> Re: steel rings

[BobHelt at aol.com]

In a message dated 11/6/2006 7:00:15 AM US Mountain Standard Time,  
DJTCZ at comcast.net writes:

Steel  piston rings are pretty rare. A swedish (?) company Deves makes some 
that can  hold up well (Volvo used them in engines that are notorious for 
lasting 300  kmiles).



Please note that only the Deves oil control ring is steel.The two  
compression rings are Cast Iron.
 
Regards,
Bob Helt