
04-22-2009, 02:17 AM
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Senior Club Cobra Member
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Join Date: Dec 2001
Location: Shasta Lake,
CA
Cobra Make, Engine:
Posts: 26,617
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Not Ranked
I have ran the Mobil 1 / 15-50 oil in my 69 Big Block for years and had no problems. It is nice on freezing mornings to see the oil pressure go right up instead of having to sit and run the engine for 5 minutes as the gage slowly creeps toward operating pressure.
Ron 
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