You could probably just put a vacuum plug over the main port.
Quote from: Tmarkle on October 16, 2017, 11:07:40 pmYou could probably just put a vacuum plug over the main port.no, remember vacuum pump has a gear, this is run from IM shaft, this has slot, this runs oil pump. <this gear with a slot must be part of a cover. there may be a subject with this reference. its been a while,.