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Jack Richard · 08-18-2017, 05:39 PM

I had the same problem with #1 cylinder only under my Serr-Miller head. I tried everything, nothing worked except very hot plugs fouled in #1 more slowly. The solution was to change the carb/manifold to a Weber 32/36 with new manifold. No more fouling, lots more power now. I think the Winfield SR/winfield manifold was just giving the first cylinder a lot richer mixture than the other 3 cylinders, can't see how but no other explanation seems reasonable.

08-18-2017, 05:39 PM	#5
Jack Richard Junior Member Join Date: May 2010 Location: Vancouver, WA Posts: 22	Re: Spark plugs carbon fouling I had the same problem with #1 cylinder only under my Serr-Miller head. I tried everything, nothing worked except very hot plugs fouled in #1 more slowly. The solution was to change the carb/manifold to a Weber 32/36 with new manifold. No more fouling, lots more power now. I think the Winfield SR/winfield manifold was just giving the first cylinder a lot richer mixture than the other 3 cylinders, can't see how but no other explanation seems reasonable.