...if you get too much "needle oscillation" at idle, you can install a "restrictor" (also called 'vacuum arrester') in the vacuum line which should dampen the needle movement.
...the "restrictor" can be just a small piece of smaller diameter tubing (thus a smaller inside diameter) inserted at the "vacuum source" end.
Last edited by gone-ot; 12-08-2009 at 10:13 PM..
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