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Original Message
Will need a little more info about your rebuild-
By mcj67 - 02/10/2001 9:08:05 PM; IP 12.78.123.177
Hello Terry,
Was the engine rebuilt at a machine/engine shop, or was it done by a friend/realitive
What was the reason for replaceing the oil pump/screen/tube?
What brand and type of oil pump was used the first time?
What brand and type of oil pump was used the second time?
You said (all new internal parts)
Did you use a new crankshaft or have the old one reconditioned?
Im sure you used a new camshaft with new cam bearings.
Just like Dave and Alan said loose tolerences in the cam, or rod, or main bearings will cause low oil pressure in warm engines.
You may get lucky and find it's just the oil pressure gauge, but in your case I don't think it is, because the cold engine oil pressure guage reading seems to be about right .
A partly stopped up screen or pickup tube may cause lower oil pressure readings, but I think it would improve as the engine warmed up and the oil thinned.
This thread, so far...
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Collapse <a href=../ForumFE/reply.aspx?ID=4765&Reply=4765><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor4765" onclick="return false;"> 66' Fairlane 390 GTA engine oil pressure</a>&nbsp;-- <font color=#0000ff>Terry, <i>02/10/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=4765', contentMargin: 60, icon: $('anchor4765') }); </script>   66' Fairlane 390 GTA engine oil pressure -- Terry, 02/10/2001
 RE: 66' Fairlane 390 GTA engine oil pressure -- Stanley Superior, 02/10/2001
 RE: 66' Fairlane 390 GTA engine oil pressure -- Alan Casida, 02/10/2001
Collapse <a href=../ForumFE/reply.aspx?ID=4774&Reply=4765><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor4774" onclick="return false;">There is no pressure relieve valve in your block.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>02/10/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=4774', contentMargin: 60, icon: $('anchor4774') }); </script>  There is no pressure relieve valve in your block. -- Dave Shoe, 02/10/2001
 Dave have you ever used copper tube on them- -- mcj67, 02/10/2001
Collapse <b>Will need a little more info about your rebuild-</b>&nbsp;-- <font color=#0000ff>mcj67, <i>02/10/2001</i></font>Will need a little more info about your rebuild- -- mcj67, 02/10/2001
Collapse <a href=../ForumFE/reply.aspx?ID=4815&Reply=4765><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor4815" onclick="return false;">RE: Will need a little more info about your rebuild-</a>&nbsp;-- <font color=#0000ff>Terry, <i>02/11/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=4815', contentMargin: 60, icon: $('anchor4815') }); </script>  RE: Will need a little more info about your rebuild- -- Terry, 02/11/2001
Collapse <a href=../ForumFE/reply.aspx?ID=4840&Reply=4765><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor4840" onclick="return false;">RE: Will need a little more info about your rebuild-</a>&nbsp;-- <font color=#0000ff>mcj67, <i>02/11/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=4840', contentMargin: 60, icon: $('anchor4840') }); </script>  RE: Will need a little more info about your rebuild- -- mcj67, 02/11/2001
Collapse <a href=../ForumFE/reply.aspx?ID=4906&Reply=4765><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor4906" onclick="return false;">RE: Will need a little more info about your rebuild-</a>&nbsp;-- <font color=#0000ff>Terry, <i>02/13/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=4906', contentMargin: 60, icon: $('anchor4906') }); </script>  RE: Will need a little more info about your rebuild- -- Terry, 02/13/2001
 Rebuilt FE should have better idle oil pressure -- mcj67, 02/16/2001
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