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Old 02-27-2009, 02:43 PM
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sbc low oil pressure

my 327 has recently started to run low oil pressure. It usually runs at around 20psi idle and 30 highway. It now runs like 5 psi idle and 23 highway. Any thoughts?

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Old 02-27-2009, 03:38 PM
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Hi,
oil pump? bearing clearances opened up some allowing the oil to run out? oil viscosity? but I really believe it's the pump, the pump is a high ware item, it draws unfiltered oil & has a fairly course screen, so anything in the oil that can remove some material from the gears & or pump housing will do so, & will over time increase clearances & will lower your oil pressure.
Rich
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Old 02-27-2009, 03:44 PM
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Quote:
Originally Posted by 1967chevelle454
my 327 has recently started to run low oil pressure. It usually runs at around 20psi idle and 30 highway. It now runs like 5 psi idle and 23 highway. Any thoughts?
Ayuh,.... Change the Oil,+ Filter,....See if it Helps,... Cut apart the Filter,+ look for Crap...
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Old 02-27-2009, 04:31 PM
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Had a smiliar issue, changed the oil and oil filter. oil filter was super clogged with crap. Oil change is probably the simple fix.
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Old 02-27-2009, 04:48 PM
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How many miles on the engine? What weight oil are you using? When was it changed last? What brand of filter?
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Old 02-27-2009, 06:02 PM
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sbc low oil pressure

your not running the adapter for a oil cooler , and have it plugged off .
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