Stan, I'm burning 93 octane in my C and it works great. Especially in the heat of Oklahoma with A/C. I have the idle set at 850 for the A/C. When not using the A/C and shutting down the engine after it has been driven for a while I have no run on. Any octane less than 93 gives run on when shutting down unless the ambient temperature is less than 60 degrees. So if you can purchase 93 octane from the pump go for it, if not try to use an octane booster to get to 93. 300'ly, ROB KERN ----- Original Message ----- From: "Stan Arthur" <stanleyrarthur@xxxxxxxxxxxxx> To: <Chrysler300@xxxxxxxxxxxxxxx> Sent: Thursday, August 10, 2006 1:37 PM Subject: [Chrysler300] Gasoline > For the 392 drivers: what are you using for fuel? Adding lead or octane > boosters? Stan 300D > > > > [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 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/ <*> 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/