Quote:
Originally Posted by billybronco1
My 36 runs very rich, carb has been replaced and adjusted more than once. Current plugs are Autolite 388 and by what I have read that is a pretty hot plug. Plugs are black as well as the tail pipe, no smoke. I see a lot of people use the 216 or 386. Should I stick with what I have or try something else? What do you use "Autolite users only please" not to confuse the matter.
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Don't understand why you are trying to correct a richness problem by changing spark plugs.
To me the most obvious thing to do is to address carburetor jetting, etc.
And it could be something as simple as a clogged air cleaner.