Pinch off the hose to the power brakes.  Only way to test this line
because it route the entire length of the vanagon.
                                                 Eric

Jamie Foust wrote:

>Thanks from everyone for the responses, it really helped me in
>finding a starting point.
>2.0 f.i. non-calif federal
>
>Non calif. model, so no O2 sensor.
>Cat conv. already punched out by p.o. Muffler not clogged.
>I misspoke and said timing retards when I rev motor - I meant
>it advanced (timing moves counter clockwise on scale).
>Distributor is single vac advance.
>
>Last night, I replaced fuel injector seals - large and small
>replaced intake manifold boots - 4
>checked vacuum can on dist. w/ vac pump - operated normal
>
>timing is jumpy now, rough idle.  I think I've closed up some
>of the smaller and obvious vacuum leaks, but have made a new
>more important leak somewhere else.  All vacuum and breather
>lines have been replaced.  I'm going to put the vacuum gauge on
>tonight to get some readings.
>
>So, are there any other vacuum areas I should be looking for?
>What should I see when I hook up the vacuum gauge to the
>various ports?
>
>jamie foust
>
>
>
>