Gary, Sorry to read about your problem. A few words of advice from someone that has run into these problems before. Most likely the issue is a warped exhaust manifold (as others have indicated). The manifold needs to be resurfaced after it has been repaired. A properly fitting exhaust manifold needs NO gasket. Now about that repair, there is the challenge. You must find a shop that really knows what they are doing, as exhaust manifolds are difficult to weld and make a lasting repair. Seek out a company that specializes in this type of repair, if it is not done right you will have to do it over and it may not be repairable by then, not to mention the work in installing and removing it. As you know, these manifolds are very hard to come by, so try to work with what you have. Others may be able to refer you to a competent shop, or look in Hemmings "services" section or online. It takes skill and knowledge to fix it right, not just a guy with a welder. I'm told they need to be pre-heated in an oven prior to the weld, and a special type of weld used. Bob J From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On Behalf Of Gary Holm Sent: Monday, June 14, 2010 9:49 PM Cc: Chrysler300@xxxxxxxxxxxxxxx Subject: [Chrysler300] Leaking HELP , HELP !!! Over the last year I have developed leaks in the dr. side ex. manifold. This is the third time. Changed the gaskets twice, going on three. Sat. morning the paper , had some REMFLEX Ex. gaskets advertised that "guaranteed" not to leak. Anyone had any experiance with these? Now for the big problem!! While removeing the manifold tht bolt hole broke off the end of the manifold. Does anyone have a spare driverside ex. manifold casting ,for a 413 crossram??? I have it at the welders, now to try to fix it , but would like to have a good one as a spare, in case the weld does not work out. I had Felpro and a summit all copper gaskets and all leaked some. Gary in so. Oregon, with a loud and leaking Big G [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: 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/