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Old 06-16-2018, 11:41 AM   #1
jabborabbo
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Join Date: Apr 2013
Location: Podunk, Texas
Posts: 739
Heat riser valve...

On my 67 L6 the thing flops back and forth as soon as I crank the engine...it’s also in the general vicinity where I’ve located my manifold leak. The coil spring isn’t broken - I can operate it by hand with the engine not running. Anyone have any experience or thoughts about this????
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Last edited by jabborabbo; 06-16-2018 at 12:00 PM. Reason: Add pic
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