Agree on the mud dabber problem and you might need to clean the burner as well. It sounds like its getting too much gas and then the pilot lite, or spark, whichever you have is coming on too late and there's an overload of gas that finally gets ignited.
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1976 Newell Classic (Sold)
Home Base: Riverside, CA
If anyone needs my contact info private message me and I will send it to you.
-Joseph-
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