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Original Message
RE: Valve train noise
By JOHN SCHREIBER - 10/25/2003 2:34:00 AM; IP 24.64.223.204
probably no one will agree but here goes,
the rocker shafts,rockers,and valves as well as the head are made of iron or steel.
however, the pedestels are aluminium.
aluminium expands roughly three times as fast as steel as well as cast iron.so the rocker shaft ends up moving farther away from the head,opening up the valve lash.this increase of lash causes the exessive noise that u have described.in my own experience,i have found that i could safely reduce valve lash(measured
cold)up to.004 under what was specified without danger of dameging anything.hope this helps.
This thread, so far...
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Collapse <a href=../ForumFE/reply.aspx?ID=18077&Reply=18077><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18077" onclick="return false;">Valve train noise</a>&nbsp;-- <font color=#0000ff>Gregory Westphall, <i>08/11/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18077', contentMargin: 60, icon: $('anchor18077') }); </script>  Valve train noise -- Gregory Westphall, 08/11/2003
 RE: Correction: Valve train noise -- Gregory Westphall, 08/11/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18079&Reply=18077><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18079" onclick="return false;">RE: Valve train noise</a>&nbsp;-- <font color=#0000ff>Royce Peterson, <i>08/11/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18079', contentMargin: 60, icon: $('anchor18079') }); </script>  RE: Valve train noise -- Royce Peterson, 08/11/2003
 Yes. The shafts are at the right clock -- Gregory Westphall, 08/12/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18081&Reply=18077><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18081" onclick="return false;">RE: Valve train noise</a>&nbsp;-- <font color=#0000ff>ed cougar, <i>08/11/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18081', contentMargin: 60, icon: $('anchor18081') }); </script>  RE: Valve train noise -- ed cougar, 08/11/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18089&Reply=18077><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18089" onclick="return false;">Thanks. There is probably a reason why Ford</a>&nbsp;-- <font color=#0000ff>Gregory Westphall, <i>08/12/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18089', contentMargin: 60, icon: $('anchor18089') }); </script>  Thanks. There is probably a reason why Ford -- Gregory Westphall, 08/12/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18096&Reply=18077><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18096" onclick="return false;">RE: Thanks. There is probably a reason why Ford</a>&nbsp;-- <font color=#0000ff>ed cougar, <i>08/12/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18096', contentMargin: 60, icon: $('anchor18096') }); </script>  RE: Thanks. There is probably a reason why Ford -- ed cougar, 08/12/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18106&Reply=18077><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18106" onclick="return false;">How streetable is your set-up?</a>&nbsp;-- <font color=#0000ff>Gregory Westphall, <i>08/13/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18106', contentMargin: 60, icon: $('anchor18106') }); </script>  How streetable is your set-up? -- Gregory Westphall, 08/13/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18112&Reply=18077><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18112" onclick="return false;">RE: How streetable is your set-up?</a>&nbsp;-- <font color=#0000ff>ED, <i>08/13/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18112', contentMargin: 60, icon: $('anchor18112') }); </script>  RE: How streetable is your set-up? -- ED, 08/13/2003
Collapse <a href=../ForumFE/reply.aspx?ID=18114&Reply=18077><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18114" onclick="return false;">RE: How streetable is your set-up?</a>&nbsp;-- <font color=#0000ff>ed cougar, <i>08/13/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18114', contentMargin: 60, icon: $('anchor18114') }); </script>  RE: How streetable is your set-up? -- ed cougar, 08/13/2003
 RE: How streetable is your set-up? -- ed cougar, 10/25/2003
 RE: Valve train noise -- Gregory Westphall, 08/20/2003
Collapse <b>RE: Valve train noise</b>&nbsp;-- <font color=#0000ff>JOHN SCHREIBER, <i>10/25/2003</i></font>RE: Valve train noise -- JOHN SCHREIBER, 10/25/2003
 RE: Valve train noise -- Greg Westphall, 10/27/2003
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