At 80 degrees F the boiling point of water in inches of vacuum is 28.89 In Hg at sea level. 17 inches will never pull the moisture out of a system which means the internals will be damaged over time. Harold McElraft - 3354 --- In dmcnews@xxxxxxxxxxxxxxx, "content22207" <brobertson@xxxx> wrote: > > Using the engine to vacuum down an A/C system is controversial, so > don't expect everyone to share your enthusiasm. Only pulls 17 inches, versus 29-30 inches done "properly". But it does work. Evacuates the moisture, which is what matters. Of course if I had a stand alone > vacuum pump I'd use it instead. > > Bill Robertson > #5939 To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/