I agree with Pete. I have had a Pertronix unit in my 64 300 for about 3 years and never had a problem. I used a stock "off the shelf" coil as the instructions said, and it works perfectly. Incidentally, the car was sold yesterday. Mark Souders 300H Mohrsville, PA -----Original Message----- From: moparpjf@xxxxxxx To: pweihl@xxxxxxxxxxx; Chrysler300@xxxxxxxxxxxxxxx Sent: Mon, May 24, 2010 11:23 am Subject: Re: [Chrysler300] K Troubles Hi group: Not to be the contrarian, but I have had petronix units on my K and on y G for years. They both run beautifully, and the only time I get any inging is when I am unfortunate enough not to be able to purchase 93 octane as. ete Fitch n a message dated 5/23/2010 10:42:21 P.M. Eastern Daylight Time, weihl@xxxxxxxxxxx writes: I couldn't agree more with Steve. Beside the G I have a 67 300, which I nstalled the electronic unit. The problem it gave me was severe pinging, he vacuum advance and distributor design advanced way too much. Adjusting he advance to eliminate the ping gave poor performance. Went back to the oints and runs great, no ping and great performance. Had a 73 Dodge with he electronics and had to replace the electronic unit more times than I an remember, nothing but trouble. aul [Non-text portions of this message have been removed] ------------------------------------ To send a message to this group, send an email to: hrysler300@xxxxxxxxxxxxxxx o unsubscribe from this group, send an email to: hrysler300-unsubscribe@xxxxxxxxxxxxxxx or list server instructions, go to ttp://www.chrysler300club.com/yahoolist/inst.htm For archives go to http://www.forwardlook.net/300-archive/Yahoo! Groups inks Non-text portions of this message have been removed] ------------------------------------ To send a message to this group, send an email to: hrysler300@xxxxxxxxxxxxxxx o unsubscribe from this group, send an email to: Chrysler300-unsubscribe@xxxxxxxxxxxxxxx or 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 Individual Email | Traditional http://docs.yahoo.com/info/terms/ [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: 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/