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I cut a valve cover in half too.....
By Royce Peterson - 07/09/2003 8:02:13 AM; IP 66.161.172.148
My Edelbrock heads have the drain hole beveled but not enlarged, without beveling there is some trapped oil when the engine is off.

With cold oil the oil fills to the point where it spills into the intake manifold area, I think this is a normal thing. After the oil warms it does not fill to the intake manifold area at idle but I predict it does at higher sustained RPM. I tried revving it some with the cut down valve cover but quite a lot of splashing happens and I was not too excited about the prospect of a fire on the headers and cleaning the intake, carb and firewall.

I am not sure enlarging the holes would make a bit of difference but would like to hear about someone who tries it and how close they get to an exhaust port.

Royce
This thread, so far...
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Collapse <a href=../ForumFE/reply.aspx?ID=17702&Reply=17702><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor17702" onclick="return false;">edelbrock alum heads</a>&nbsp;-- <font color=#0000ff>WAYNE S., <i>07/07/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=17702', contentMargin: 60, icon: $('anchor17702') }); </script>  edelbrock alum heads -- WAYNE S., 07/07/2003
 I've often seen 'em chamfered, but not enlarged. [n/m] -- Mr F, 07/07/2003
Collapse <a href=../ForumFE/reply.aspx?ID=17708&Reply=17702><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor17708" onclick="return false;">Darn good idea. Here is a couple of thoughts.</a>&nbsp;-- <font color=#0000ff>James, <i>07/08/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=17708', contentMargin: 60, icon: $('anchor17708') }); </script>  Darn good idea. Here is a couple of thoughts. -- James, 07/08/2003
Collapse <a href=../ForumFE/reply.aspx?ID=17711&Reply=17702><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor17711" onclick="return false;">RE: Darn good idea. Here is a couple of thoughts.</a>&nbsp;-- <font color=#0000ff>Al Phillips, <i>07/08/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=17711', contentMargin: 60, icon: $('anchor17711') }); </script>  RE: Darn good idea. Here is a couple of thoughts. -- Al Phillips, 07/08/2003
 Something about that sounds risky. -- james, 07/08/2003
I cut a valve cover in half too..... -- Royce Peterson, 07/09/2003
Collapse <a href=../ForumFE/reply.aspx?ID=17728&Reply=17702><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor17728" onclick="return false;">RE: edelbrock alum heads</a>&nbsp;-- <font color=#0000ff>390 ranger, <i>07/08/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=17728', contentMargin: 60, icon: $('anchor17728') }); </script>  RE: edelbrock alum heads -- 390 ranger, 07/08/2003
 RE: edelbrock alum heads -- 67stang, 07/09/2003
 Btw -- Royce Peterson, 07/10/2003
 One last thought -- James, 07/10/2003
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