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Old 08-30-2009, 07:38 AM
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Oil Pressure for rebuild 350 sbc

What should the oil pressure be at idle for a stock 350 rebuild and also in gear?

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Old 08-30-2009, 08:23 AM
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20 or so psi on a hot engine at idle is good enough. The oil pressure should reach full pressure by 2000rpm. 45 to 55psi with a stock sbc pump.
Thicker grade oil will give a bit more pressure but more is not better.
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Old 08-30-2009, 11:13 AM
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On my 355 fresh rebuild I have 60 at cold idle, 45 or so at hot idle and 55-60 hot at above idle RPM with 10W30 oil and a stock pump.
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