
02-11-2010, 10:20 PM
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CC Member
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Join Date: Sep 2009
Location: Camarillo,
CA
Cobra Make, Engine: SPF #2608, Roush 427SR T-W
Posts: 911
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Not Ranked
I was thinking the deposits were on the valves or combustion chambers. That would be controlled by the brand of gasoline used. If there were sludge around the rocker arms, that would be from the oil. I wouldn't expect any oil related problems with Mobil 1.
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