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RE: Will need a little more info about your rebuild-
By Terry - 02/13/2001 11:26:08 PM; IP 209.168.19.2
MCJ67, Thanks for your responses. I put in the liquid-filled pressure gauge at the filter area and rechecked the pressure. It read the same as the other mechanical gauge that I left hooked up. When cold the pressure was 55-60 at 1300rpm and 40-45 at a cold idle of 950rpm. When warmed up to 190 degrees the pressure dropped to 35-40 at 2000 rpm and 8-10 at a warm idle of 950 rpm. I called the engine builder and asked him what were the exact clearances on the rod/main bearings and he said about .0025". He put in new cam bearings with the new cam and the high pressure/high volume oil pump that he took out did have a stuck relief valve. I asked him if one of the rocker shaft plugs or oil gallery plugs at the front of the engine might be leaking and he said that it could be the one behind the cam gear. I asked him if the oil filter might be defective and he said it was possible, but he hadn't experienced it with the Motorcraft FL1-A filters. I told him I would change the filter and put new 20-50 wt. Valvoline oil in it. He said if it didn't work, he would pull the motor and repair it. What do you think?
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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 <a href=../ForumFE/reply.aspx?ID=4775&Reply=4765><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor4775" onclick="return false;">Will need a little more info about your rebuild-</a>&nbsp;-- <font color=#0000ff>mcj67, <i>02/10/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=4775', contentMargin: 60, icon: $('anchor4775') }); </script>  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 <b>RE: Will need a little more info about your rebuild-</b>&nbsp;-- <font color=#0000ff>Terry, <i>02/13/2001</i></font>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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