nakedave
03-21-2012, 10:00 PM
Ok so I've been trying to trace down a pretty large vacuum/boost leak for a while. Finally got around to testing it today. First blocked off my intercooler piping, no leaks there. Reconnected the piping and ran another test. It took me a while to find it, but I'm leaking from the back left side of the head. Down below the valve cover. I can't see it, but I can hear it when I run a tube down behind that back side of the head.
I replaced the head gasket last year and used that copper sealant to help seal things up. I also used ARP studs that have been re-torgued since. The head was decked and I haven't let it overheat. Not saying it isn't my head gasket, but any other ideas what might be leaking back there? I'm going to perform a compression test and leak down test tomorrow and see what kind of results I get.
I replaced the head gasket last year and used that copper sealant to help seal things up. I also used ARP studs that have been re-torgued since. The head was decked and I haven't let it overheat. Not saying it isn't my head gasket, but any other ideas what might be leaking back there? I'm going to perform a compression test and leak down test tomorrow and see what kind of results I get.