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Original Message

RE: Normal Oil Pressure?

By John - 08/05/2002 10:41:09 AM; IP 142.177.103.129

Yep...I used to get 65 psi at 2000 rpm....sigh!(so far, low oil pressure has been shown to be caused by worn main bearings)
I find the following is normal with a HV oil pump:

Hot Oil:

Idle: 18-22 psi
2000 rpm: 60-65 psi
max pressure: 70-80 psi

Cold oil:

indicates max of 70-80 psi

Note: 20W50 may give you the high end of the 2000 rpm and hot idle figures, while 10W30 will probably show at the lower end. The max pressure will stay the same regardless of the oil weight as it is dictated by the oil pump relief spring.

This thread, so far...

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Collapse <a href=../ForumFE/reply.aspx?ID=13950&Reply=13950><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor13950" onclick="return false;">Normal Oil Pressure?</a> -- <font color=#0000ff>Dallas Fridley, <i>08/05/2002</i></font><script type="text/javascript">
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Normal Oil Pressure? -- Dallas Fridley, 08/05/2002

Collapse <b>RE: Normal Oil Pressure?</b> -- <font color=#0000ff>John, <i>08/05/2002</i></font>

RE: Normal Oil Pressure? -- John, 08/05/2002

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RE: Normal Oil Pressure? -- Dallas Fridley, 08/05/2002

Collapse <a href=../ForumFE/reply.aspx?ID=13960&Reply=13950><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor13960" onclick="return false;">50 weight is for......</a> -- <font color=#0000ff>kevin, <i>08/06/2002</i></font><script type="text/javascript">
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50 weight is for...... -- kevin, 08/06/2002

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RE: 50 weight is for...... -- Joel, 08/06/2002

Bearing Clearances vs Oil Pressure -- John, 08/06/2002

RE: 50 weight is for...... -- Dallas Fridley, 08/19/2002