Engine oil in my big block

Old 07-08-2014, 01:54 PM
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channel123
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Default Engine oil in my big block

Hi I have notice low oil pressure at idle in my engine. I'am using royal purple 20w50 synthetic is this normal or do I need to go with a different oil?
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Old 07-08-2014, 07:45 PM
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coloradoguy
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What is your oil pressure at? What was it before?
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Old 07-09-2014, 04:00 AM
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curtisreed
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I don't believe it is the oil brand in any way. There are so many variables that have to be eliminated, the above is a start. Did the oil get contaminated with fuel really bad in any way? Have you changed filters since this started? Is this street driven or just a drag car? Why 20w50, are the clearances loose?

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