Quote:
Originally Posted by JHZR2
If I pump down to 25in Hg, within 30 seconds or so most things will leak down to 20. Leaking down slows substantially down when at 20 and especially 15”.
Is that fine?
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If your objective is to locate and stop a vacuum leak(s), then the answer is "No."
Quote:
Originally Posted by JHZR2
Should everything hold significantly?
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No. Everything should hold fully.
Quote:
Originally Posted by JHZR2
Should I be able to lay down a connected mityvac for minutes/hours, and come back to the same values?
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Yes.