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RE: Greg, newer heads do have different drain holes
By Greg Westphall - 10/16/2003 2:15:18 PM; IP 12.158.13.35
I knew about the valve guides. They replaced mine when they put in new seals because of this. Keep in mind they only did this for free for me because the heads arrived in such bad condition (shot blast still in the casting). I ruined the teflon seals taking the heads apart to clean them. Instead of giving me new teflon seals they upgraded me to the new ones which required the new guides. I asked them if I could enlarge the holes and their answer was yes. When I asked for more detail like how much or in what direction I received no further reply. Rather than risk hitting a water jacket or weakening the head bolt area I left them alone. I would definitely recommend you put in new seals if they are the least bit suspect. Even with the small holes my heads seem to be draining back sufficiently. I would be cautious on how much you restrict the oil to the top end. I know everyone recommend doing it especially with roller tipped rockers but the oil does more than lubricate. It conducts the heat being generated at the guide and spring.
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Collapse <a href=../ForumFE/reply.aspx?ID=18680&Reply=18680><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18680" onclick="return false;">top end oil restrictors - Help! Shoe or someone</a>&nbsp;-- <font color=#0000ff>Geoff McNew, <i>10/12/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18680', contentMargin: 60, icon: $('anchor18680') }); </script>  top end oil restrictors - Help! Shoe or someone -- Geoff McNew, 10/12/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18686&Reply=18680><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18686" onclick="return false;">Ed heads get different restrictors.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>10/12/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18686', contentMargin: 60, icon: $('anchor18686') }); </script>  Ed heads get different restrictors. -- Dave Shoe, 10/12/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18690&Reply=18680><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18690" onclick="return false;">RE: Ed heads get different restrictors.</a>&nbsp;-- <font color=#0000ff>Geoff McNew, <i>10/13/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18690', contentMargin: 60, icon: $('anchor18690') }); </script>  RE: Ed heads get different restrictors. -- Geoff McNew, 10/13/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18691&Reply=18680><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18691" onclick="return false;">THe later CJ pan is improved over the early pan.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>10/13/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18691', contentMargin: 60, icon: $('anchor18691') }); </script>  THe later CJ pan is improved over the early pan. -- Dave Shoe, 10/13/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18692&Reply=18680><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18692" onclick="return false;">RE: THe later CJ pan is improved over the early pan.</a>&nbsp;-- <font color=#0000ff>Geoff McNew, <i>10/13/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18692', contentMargin: 60, icon: $('anchor18692') }); </script>  RE: THe later CJ pan is improved over the early pan. -- Geoff McNew, 10/13/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18693&Reply=18680><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18693" onclick="return false;">#4 and #8 smokes when the head fills up.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>10/13/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18693', contentMargin: 60, icon: $('anchor18693') }); </script>  #4 and #8 smokes when the head fills up. -- Dave Shoe, 10/13/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18699&Reply=18680><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18699" onclick="return false;">RE: #4 and #8 smokes when the head fills up.</a>&nbsp;-- <font color=#0000ff>Geoff McNew, <i>10/14/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18699', contentMargin: 60, icon: $('anchor18699') }); </script>  RE: #4 and #8 smokes when the head fills up. -- Geoff McNew, 10/14/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18702&Reply=18680><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18702" onclick="return false;">RE: #4 and #8 smokes when the head fills up.</a>&nbsp;-- <font color=#0000ff>Greg Westphall, <i>10/14/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18702', contentMargin: 60, icon: $('anchor18702') }); </script>  RE: #4 and #8 smokes when the head fills up. -- Greg Westphall, 10/14/2003
 RE: #4 and #8 smokes when the head fills up. -- Geoff McNew, 10/14/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18708&Reply=18680><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18708" onclick="return false;">RE: #4 and #8 smokes when the head fills up.</a>&nbsp;-- <font color=#0000ff>Geoff McNew, <i>10/14/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18708', contentMargin: 60, icon: $('anchor18708') }); </script>  RE: #4 and #8 smokes when the head fills up. -- Geoff McNew, 10/14/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18718&Reply=18680><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18718" onclick="return false;">RE: #4 and #8 smokes when the head fills up.</a>&nbsp;-- <font color=#0000ff>John, <i>10/14/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18718', contentMargin: 60, icon: $('anchor18718') }); </script>  RE: #4 and #8 smokes when the head fills up. -- John, 10/14/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18735&Reply=18680><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18735" onclick="return false;">RE: #4 and #8 smokes when the head fills up.</a>&nbsp;-- <font color=#0000ff>Geoff McNew, <i>10/15/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18735', contentMargin: 60, icon: $('anchor18735') }); </script>  RE: #4 and #8 smokes when the head fills up. -- Geoff McNew, 10/15/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18738&Reply=18680><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18738" onclick="return false;">My Edelbrock heads have different drain holes</a>&nbsp;-- <font color=#0000ff>Geoff McNew, <i>10/15/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18738', contentMargin: 60, icon: $('anchor18738') }); </script>  My Edelbrock heads have different drain holes -- Geoff McNew, 10/15/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18746&Reply=18680><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18746" onclick="return false;">Greg, newer heads do have different drain holes</a>&nbsp;-- <font color=#0000ff>Geoff McNew, <i>10/15/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18746', contentMargin: 60, icon: $('anchor18746') }); </script>  Greg, newer heads do have different drain holes -- Geoff McNew, 10/15/2003
RE: Greg, newer heads do have different drain holes -- Greg Westphall, 10/16/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18774&Reply=18680><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18774" onclick="return false;">RE: top end oil restrictors - Help! Shoe or someone</a>&nbsp;-- <font color=#0000ff>giacamo, <i>10/16/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18774', contentMargin: 60, icon: $('anchor18774') }); </script>  RE: top end oil restrictors - Help! Shoe or someone -- giacamo, 10/16/2003
 RE: top end oil restrictors - Help! Shoe or someone -- Geoff McNew, 10/16/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18786&Reply=18680><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18786" onclick="return false;">RE: top end oil restrictors for Edelbrock heads</a>&nbsp;-- <font color=#0000ff>Geoff McNew, <i>10/17/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18786', contentMargin: 60, icon: $('anchor18786') }); </script>  RE: top end oil restrictors for Edelbrock heads -- Geoff McNew, 10/17/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18816&Reply=18680><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18816" onclick="return false;">RE: top end oil restrictors for Edelbrock heads</a>&nbsp;-- <font color=#0000ff>Greg Westphall, <i>10/20/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18816', contentMargin: 60, icon: $('anchor18816') }); </script>  RE: top end oil restrictors for Edelbrock heads -- Greg Westphall, 10/20/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18819&Reply=18680><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18819" onclick="return false;">RE: top end oil restrictors for Edelbrock heads</a>&nbsp;-- <font color=#0000ff>Geoff McNew, <i>10/20/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18819', contentMargin: 60, icon: $('anchor18819') }); </script>  RE: top end oil restrictors for Edelbrock heads -- Geoff McNew, 10/20/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18825&Reply=18680><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18825" onclick="return false;">RE: top end oil restrictors for Edelbrock heads</a>&nbsp;-- <font color=#0000ff>james, <i>10/21/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18825', contentMargin: 60, icon: $('anchor18825') }); </script>  RE: top end oil restrictors for Edelbrock heads -- james, 10/21/2003
 RE: top end oil restrictors for Edelbrock heads -- Geoff McNew, 10/21/2003
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