Checking for stuck power valve

jim wagner

New member
Nov 13, 1999
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I am going to rebuild my carb and thought I would take a photo of the proper location to check for a stuck power valve. Carefully take a straw (screw
driver) and press down through this tube. You will contact the top of the power valve. The valve should push down about 3/16" then spring back up if
it is working correctly. If the valve is stuck down you will have a loss of power. We ran into this problem a few years ago.

Jim Wagner
Brook Park, oh
76 GMC500
71 Vega355
69 Vette383