I use Royal Purple straight 30W synthetic in my 57 300C coupe. The solid lifters run a lot quieter and and does not appear to become too thin when the engine warms up like 10W-30 or other multi-grade oils do. George On 5/3/2007 6:38:30 AM, Jean Debos (jdebos@xxxxxxxxx) wrote: > What I use here in Switzerland is special oil for « old » engines, i.e. > original engines, works well? > > Here?s the link, in French (tried to find it in English but couldn?t), if > you need translating, let me know, I?ll cost you next to nothing? > > http://www.castrol.com/castrol/multipleproductsection. > do?categoryId=8148008 > <http://www.castrol. > com/castrol/multipleproductsection.do?categoryId=8148008 [link: www.castrol. > com/castrol/multipleproductsection.do?categoryId=8148008] > &contentId=7003552> &contentId=7003552 > > my 2 centimes of Swiss Franc worth? > > _____ > > De : Chrysler300@xxxxxxxxxxxxxxx [link: mailto:Chrysler300@yahoogroups. > com] [mailto:Chrysler300@xxxxxxxxxxxxxxx [link: > mailto:Chrysler300@xxxxxxxxxxxxxxx]] De la > part de Russ Vaughan > Envoyé : jeudi, 3. mai 2007 13:10 > À : chrysler300@xxxxxxxxxxxxxxx [link: mailto:chrysler300@yahoogroups. > com] > Objet : Re: [Chrysler300] oil change > > Just a couple of comments to add. What has happened is the latest oil > formulations (SM) have reduced/eliminated a component (zinc/ZDDP) that is > harmful to catalytic converters but beneficial to internal engine wear, > mostly camshaft/lifter. Since all new cars today use roller lifters, this > is > not a problem for them. Since our 300 [Non-text portions of this message have been removed] To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm For archives go to http://www.forwardlook.net/300-archive/ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Chrysler300/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/Chrysler300/join (Yahoo! ID required) <*> To change settings via email: mailto:Chrysler300-digest@xxxxxxxxxxxxxxx mailto:Chrysler300-fullfeatured@xxxxxxxxxxxxxxx <*> To unsubscribe from this group, send an email to: Chrysler300-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/