Radial tires by designed flex more.They run slightly flat so build more heat.If you use a tube in a tire that not designed for a tube you will cause recessive heat build up.That will destroy the tire .Jim McMullan 300 F calif. James McMullan macthehammer@xxxxxxxxxxxxx Why Wait? Move to EarthLink. [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 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/