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Look at the exhaust pipe -- if it is liberally coated with soot inside and has a ring of fresh soot on the outside, you are definitely running rich.
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Oh yes, there is black soot inside, and that infamous black ring around my exhaust.
Another thing to add; I use "Quaker State Higher Mileage" Oil 10w-30, is that oil too thin??
should I use 10w-40 or 20w-50??
I dont want to start another oil thread.
