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Old 05-28-2017, 01:58 PM
olddog olddog is offline
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Join Date: May 2006
Location: St. Louisville, Oh
Cobra Make, Engine: A&C 67 427 cobra SB
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Since you said it is 60 sometimes and 90 others, I would suspect the oil pressure gauge or the sender unit. Possibly a bad ground. Verify your pressure with a good mechanical gauge.
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