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Original Message
RE: High Volume vs High Pressure
By Jim Raymond - 09/22/2000 1:33:39 AM; IP 206.86.60.77
Scott,

I believe the H/P pump has a tendency to overpressurize the "free plug" type caps at the end of the oil galleys, causing them to leak. The H/V pumps more oil, but doesn't have the h/p spring in the bypass. I've tested my 427 with the rocker arms pluged and the timing cover removed and it's amazing how much oil pumps past the cam brgs at the front of the block alone. If you don't put restricters in the rocker arms, even more is lost to the clearences there.
I believe you should restrict the heads and run the H/V pump to maxiumize the oil pressure to the mains.

Jim
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Collapse <a href=../ForumFE/reply.aspx?ID=2634&Reply=2634><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor2634" onclick="return false;">High Volume vs High Pressure</a>&nbsp;-- <font color=#0000ff>scott, <i>09/04/2000</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=2634', contentMargin: 60, icon: $('anchor2634') }); </script>  High Volume vs High Pressure -- scott, 09/04/2000
Collapse <a href=../ForumFE/reply.aspx?ID=2658&Reply=2634><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor2658" onclick="return false;">Nylon gear "skins" debuted by mid-'65 [n/m]</a>&nbsp;-- <font color=#0000ff>Mr F, <i>09/05/2000</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=2658', contentMargin: 60, icon: $('anchor2658') }); </script>  Nylon gear "skins" debuted by mid-'65 [n/m] -- Mr F, 09/05/2000
 RE: Nylon gear "skins" debuted by mid-'65 [n/m] -- gordon, 09/24/2000
 RE: High Volume vs High Pressure -- Tom H, 09/06/2000
RE: High Volume vs High Pressure -- Jim Raymond, 09/22/2000
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