Plugs fowling
Tue Sep 18, 2018 14:42

Spark Plugs fowling on cylinders 1,2,5,6. The other four are perfect. Any ideas? So far I have installed a new intake manifold gasket. Replaced the carburetor and did a tune up. New plugs, points, condensor, cap and rotor. Runs nice with smooth power but plugs 1,2,5,6 still fowling.

    • Re: Plugs fowlingRobert Place, Sun Mar 24 14:46
      Solved the problem. Found the dual action fuel pump had a blown diaphram on the lower side. Oil from the crankcase was being sucked up the vacumn line and into the intake. The front four cylinders... more
      • ethanol and diaphramsArthur138, Mon Mar 25 01:36
        Not only y-blocks,but any car originally built to run regular and unleaded gas. Ethanol is one of the worse scams to have ever been afflicted on the American people.
      • Re: Plugs fowlingalkemy, Mon Mar 25 00:36
        Glad you found the problem, good info.
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