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What kind of oil pump are you using?
By Dave Shoe - 11/01/2001 2:15:37 PM; IP 12.2.11.131
Also, what are your bearing clearances on the crank? What type of oil pump drive shaft do you have, and what type of shear pin are you using to attach the drive gear to the distributor (rolled spring, solid)? What type of engine oil?

The blue smoke is more likely related to excessive oil puddling in the heads (due to the high pressure) and being sucked down the rear valve stems, and not ring or valve stem problems. High pressure will fill FE heads with oil due to the limited volume drainback circuit. This diversion can cause the oil pan to dry up at the worst times, too. What kind of oil pan are you using?

Are you running oil restrictors in your heads (Holley jets or equiv with .060" to .090" dia orifices, depending on pump and cam application)? Are you running the "drainback diverter" style tray under your rocker pedestals, or is it the 1967-later style which doesn't divert oil back to the galley. Can you tell us something about the condition of the engine?

I agree, 80PSI at idle is a bit high (what is your idle speed). It might indicate you want to loosen up some bearing clearances so you can pump more oil across the crank bearings, helping keep things cool when hammering around the track.

I don't believe the FE needs an unusual amount of oil pressure to live on the track. It does need to have a continuous reservoir of oil (no head puddling which starves the pan), reasonable crank bearing clearances which allow reasonable oil flow to keep things cool, and the standard oiling tweaks (good shear pin and drive, good pan, basic passage clean-up, head restrictors, drainback provisions, properly selected oil pump).

Not a racer, just an enthusiast,
Shoe.
This thread, so far...
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Collapse <a href=../ForumFE/reply.aspx?ID=9008&Reply=9008><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9008" onclick="return false;">Excessive Oil Pressure</a>&nbsp;-- <font color=#0000ff>Gary G, <i>10/30/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9008', contentMargin: 60, icon: $('anchor9008') }); </script>  Excessive Oil Pressure -- Gary G, 10/30/2001
 RE: Excessive Oil Pressure -- richard, 10/31/2001
 RE: Excessive Oil Pressure ? -- Mel Clark, 11/01/2001
Collapse <b>What kind of oil pump are you using?</b>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>11/01/2001</i></font>What kind of oil pump are you using? -- Dave Shoe, 11/01/2001
 RE: What kind of oil pump are you using? -- GaryG, 11/12/2001
 RE: That eats horsepower too! -- kevin, 11/02/2001
 RE: Excessive Oil Pressure -- John, 11/02/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9035&Reply=9008><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9035" onclick="return false;">RE: Excessive & Lack of Interest</a>&nbsp;-- <font color=#0000ff>Mel Clark, <i>11/02/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9035', contentMargin: 60, icon: $('anchor9035') }); </script>  RE: Excessive & Lack of Interest -- Mel Clark, 11/02/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9045&Reply=9008><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9045" onclick="return false;">RE: Excessive & Lack of Interest</a>&nbsp;-- <font color=#0000ff>John, <i>11/02/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9045', contentMargin: 60, icon: $('anchor9045') }); </script>  RE: Excessive & Lack of Interest -- John, 11/02/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9048&Reply=9008><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9048" onclick="return false;">RE: Excessive & Lack of Interest</a>&nbsp;-- <font color=#0000ff>Mel Clark, <i>11/02/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9048', contentMargin: 60, icon: $('anchor9048') }); </script>  RE: Excessive & Lack of Interest -- Mel Clark, 11/02/2001
 RE: Excessive pressure and relief valves -- RJP, 11/03/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9088&Reply=9008><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9088" onclick="return false;">RE: Excessive & Lack of Interest</a>&nbsp;-- <font color=#0000ff>Bill, <i>11/04/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9088', contentMargin: 60, icon: $('anchor9088') }); </script>  RE: Excessive & Lack of Interest -- Bill, 11/04/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9091&Reply=9008><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9091" onclick="return false;">RE: Excessive & Lack of Interest</a>&nbsp;-- <font color=#0000ff>Mel Clark, <i>11/04/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9091', contentMargin: 60, icon: $('anchor9091') }); </script>  RE: Excessive & Lack of Interest -- Mel Clark, 11/04/2001
 RE: Excessive & Lack of Interest -- John, 11/04/2001
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