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reading valve color for diagnosis (pic)
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04-24-2017, 11:08 PM
SYCARMS
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Join Date: Sep 2009
Location: Senatobia, Mississippi
Posts: 3,375
Run your finger in the exhaust port, if mostly dry and powdery it is from fuel, if sticky or gummy it is from oil. The blue smoke you mentioned is from oil burning, fuel will be gray to black out the exhaust if a rich mixture.
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