At 09:01 AM 5/9/2012 -0700, john spaur wrote: >Mine is steel but I don't know if it is original. Perhaps copper >should be used because it might provide an oil seal. > >John > >At 09:10 AM 5/9/2012 +0200, Peter Ehn wrote: >>Thanks Alan. >>Copper or steel according to John Spauer? >>Does it matter? >> >>/Peter