Thread: 10-40 or 20-50 oil ???
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Old 06-01-2015, 08:56 AM
JBCOBRA JBCOBRA is offline
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Location: VALLEY FORGE, PA
Cobra Make, Engine: SUPERFORMANCE w DOUG MEYER ENGINE
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My car seems to love the 15/50 Hot Rod oil from Gibbs. On my 4th year using it.
Cold oil pressure is 65-70 at 2000rpm
220 degree oil is 50 at 2000rpm. 20-25 at idle
Seems ideal to me
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