Posted by gmharris [71.105.178.157] on Saturday, June 18, 2011 at 06:41:41 :
In Reply to: 77 400 firetruck trouble holding an idle posted by Mark in NJ [74.102.186.164] on Saturday, June 18, 2011 at 02:50:08 :
Here's a neat web site which shows vacuum gauge animations for different scenarios: http://www.secondchancegarage.com/public/186.cfm