Stalling when decellerating
can also sometimes mean that there is a leak somewhere in the vacuum.
( turb0t, Fri 19 Jun 2009, 10:03, archived)

Unless it's 20+ years only
it won't have a vacuum advance on it. ECUs removed the need for that, along with the need for distributors
( the mighty badger Aphrodite, on a bar stool, by your side, Fri 19 Jun 2009, 10:05, archived)