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Original Message
Measure the oil transfer slot depth
By Bill Conley - 01/17/2002 12:44:51 PM; IP 63.23.169.220
The oil transfer slot on the face is a good way to tell. It should be .250" deep according to Ford drawings and some virgin heads I have measured.

FYI- the cast "horseshoes" around the head face are NOT a reliable indicator. These features were not dimensionally controlled. A set of MR heads I had showed radically different horseshoe depth even though they had been milled the same. (One head was cast at Cleveland and the other ot Michigan Casting Center). All other features checked out identical, including chamber cc.
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Collapse <a href=../ForumFE/reply.aspx?ID=10822&Reply=10822><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor10822" onclick="return false;">427/428 head mill</a>&nbsp;-- <font color=#0000ff>Ed, <i>01/17/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=10822', contentMargin: 60, icon: $('anchor10822') }); </script>  427/428 head mill -- Ed, 01/17/2002
Measure the oil transfer slot depth -- Bill Conley, 01/17/2002
Collapse <a href=../ForumFE/reply.aspx?ID=10832&Reply=10822><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor10832" onclick="return false;">Intake bolt hole to deck distance seems reliable.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>01/17/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=10832', contentMargin: 60, icon: $('anchor10832') }); </script>  Intake bolt hole to deck distance seems reliable. -- Dave Shoe, 01/17/2002
 It looks like you're right Shoe! -- Bill Conley, 01/17/2002
 RE: 427/428 head mill -- Ed, 01/17/2002
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