I would say go ahead and use them......as long as they are not rusty. Guy Morice 300E in chilly/rainy/snowy Oswego, IL -----Original Message----- From: 2HsandaHeritage <2HsandaHeritage@xxxxxxxxxxx> To: Chrysler 300 Club International <Chrysler300@xxxxxxxxxxxxxxx> Sent: Mon, Jan 16, 2012 3:00 pm Subject: [Chrysler300] Old Spark Plugs Hi Group, Do new unused spark plugs deteriorate over time? I am considering some Champion J-14Y and Autolite A42B plugs that are 20 to 25 years old. Doug Warrener 300H 62 Sport [Non-text portions of this message have been removed] [Non-text portions of this message have been removed] ------------------------------------ To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx To unsubscribe from this group, send an email to bob@xxxxxxxxxxxxx or go to http://autos.groups.yahoo.com/group/Chrysler300/join and select the "Leave Group" button For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm For archives go to http://www.forwardlook.net/300-archive/search.htm#querylangYahoo! 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: Chrysler300-digest@xxxxxxxxxxxxxxx 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/