rob kern wrote: > Mark, > Champion RN12YC. Gap .035". I was advised of this plug by George Reihl 7 years ago. They work like a Champ! (no pun intended) 300'ly, ROB KERN > ----- Original Message ----- > From: Mark Schueller > To: Chrysler 300 Club > Sent: Monday, May 10, 2010 8:24 PM > Subject: [Chrysler300] Spark Plug for 300C > Hi All: > Can some one please tell me the correct spark plug for my 300C. Thank you very much. > Mark Schueller > 300C, F IF I RECALL CORRECTLY for the 1957 300-C they were AUTOLIGHTS AGR32 or AGR42 Chrysler originally designed them to use Autolights, later with the newer wedge motors, they then designed them to work best with Champions, BUT remember, these were designed using the THEN current specifications, which may have changed over the years. The Last I checked, my local autoparts place that actually uses the cattyloges (paper, and Not electronic) they could get the autolights any time I wanted to order them. -- Paul Holmgren Mine: 2 57 300-C's in Indy Hers: 05 PT GT R/T HO Stage 1 Hoosier Corps L#6 ------------------------------------ To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx To unsubscribe from this group, send an email to: Chrysler300-unsubscribe@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: 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/