Thread: Type of oil in 427 S/O
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Old 05-01-2012, 08:11 PM
elmariachi elmariachi is offline
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Join Date: Jul 2008
Location: Driftwood, TX
Cobra Make, Engine: Contemporary Cobra, 427 side oiler
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I have run both Brad Penn 20W-40 and Valvoline VR-1 Racing straight 40W. Seems like the VR-1 stays clean longer. Only dinosaur oil for my dinosaur engine.
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