>> Can anybody tell me what size are the 2 oil drain ports at the bottom of >> Tracy's PSRU? > I think they're both 1/8 NPT > John, they are 3/8" or 1/4" NPT, but I'm not sure which one? Buly >> Homepage: http://www.flyrotary.com/ >> Archive: http://lancaironline.net/lists/flyrotary/List.html