Almost done, and now this... Is there a suitable plug available to replace Moss #328-255 engine block plug? (Moss shows it as N/A) Is this a common thread that I can fin at my FLAPS? Thanks, Bill B '58 TR-3A TS/30766 L '59 TR-3A TS/64974 LO "A Triumph is man's best friend, it always comes when it is called...of course, some times it is difficult to make it go"