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Old 12-04-2019, 01:48 PM   #12
daren007
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Join Date: Apr 2015
Location: Saint Cloud Mn
Posts: 745
Default Re: Vacuum testing to diagnose fast idle

The thread on the intake is "pipe" thread. You did not have to go through great lengths to plumb as you are dealing with vacuum. Easy to fab tubing etc. If I am correct you were running full advance at idle?
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