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Original Message
Unnatural adaptations.
By Dave Shoe - 03/20/2002 10:51:48 PM; IP 63.233.227.74
YOur comment about the possible need to install 4-valve heads onto "approximately similar" four cylinder blocks due to a possible fuel crunch got me thinking...

When reviewing the 427 block prints a week ago, ref a reduced resolution image here:
http://www.network54.com/Hide/Forum/message?forumid=74182&messageid=1015555058
I noticed the cam bearings are spaced on 1/8" wider centers (4.75") than the bores or mains (4.63"). This seems very odd. This does, however, explain the "offset oil holes" which lead into the cranksaddles.

I wonder if this allowed Ford to make cams using the same machinery which cut MEL cams. I guess I gotta look to see whether Ford offered any engines with 4.75" bore centers about that time. Also, I'll have to see whether there is always a discrepancy in any engine, as this variation may provide a necessary function.

Shoe.
This thread, so far...
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Collapse <a href=../ForumFE/reply.aspx?ID=12087&Reply=12087><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12087" onclick="return false;">A 428 fits surpringly well in this '57 (?) T-Bird...</a>&nbsp;-- <font color=#0000ff>Mr F, <i>03/18/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12087', contentMargin: 60, icon: $('anchor12087') }); </script>  A 428 fits surpringly well in this '57 (?) T-Bird... -- Mr F, 03/18/2002
 I found one in a '60 t-bird. -- Greg, 03/18/2002
Collapse <a href=../ForumFE/reply.aspx?ID=12093&Reply=12087><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12093" onclick="return false;">For years a picture in Ford's Engine Toolroom...</a>&nbsp;-- <font color=#0000ff>Bill Conley, <i>03/19/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12093', contentMargin: 60, icon: $('anchor12093') }); </script>  For years a picture in Ford's Engine Toolroom... -- Bill Conley, 03/19/2002
Collapse <a href=../ForumFE/reply.aspx?ID=12098&Reply=12087><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12098" onclick="return false;">You mean Bill Coon's famous race car? N/M</a>&nbsp;-- <font color=#0000ff>kevin, <i>03/19/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12098', contentMargin: 60, icon: $('anchor12098') }); </script>  You mean Bill Coon's famous race car? N/M -- kevin, 03/19/2002
 Yeah I think you're right -- Bill Conley, 03/19/2002
Collapse <a href=../ForumFE/reply.aspx?ID=12103&Reply=12087><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12103" onclick="return false;">How long were you at Ford? Any stories? :-) [n/m]</a>&nbsp;-- <font color=#0000ff>Mr F, <i>03/19/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12103', contentMargin: 60, icon: $('anchor12103') }); </script>  How long were you at Ford? Any stories? :-) [n/m] -- Mr F, 03/19/2002
Collapse <a href=../ForumFE/reply.aspx?ID=12105&Reply=12087><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12105" onclick="return false;">RE: How long were you at Ford? Any stories? :-) [n/m]</a>&nbsp;-- <font color=#0000ff>Bill Conley, <i>03/19/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12105', contentMargin: 60, icon: $('anchor12105') }); </script>  RE: How long were you at Ford? Any stories? :-) [n/m] -- Bill Conley, 03/19/2002
Collapse <a href=../ForumFE/reply.aspx?ID=12107&Reply=12087><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12107" onclick="return false;">Stories !!</a>&nbsp;-- <font color=#0000ff>P, <i>03/19/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12107', contentMargin: 60, icon: $('anchor12107') }); </script>  Stories !! -- P, 03/19/2002
Collapse <a href=../ForumFE/reply.aspx?ID=12125&Reply=12087><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12125" onclick="return false;">Ok- Twist my arm!</a>&nbsp;-- <font color=#0000ff>Bill Conley, <i>03/20/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12125', contentMargin: 60, icon: $('anchor12125') }); </script>  Ok- Twist my arm! -- Bill Conley, 03/20/2002
Collapse <a href=../ForumFE/reply.aspx?ID=12134&Reply=12087><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12134" onclick="return false;">RE: Ok- Twist my arm!</a>&nbsp;-- <font color=#0000ff>Bob, <i>03/20/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12134', contentMargin: 60, icon: $('anchor12134') }); </script>  RE: Ok- Twist my arm! -- Bob, 03/20/2002
Collapse <a href=../ForumFE/reply.aspx?ID=12136&Reply=12087><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12136" onclick="return false;">32-valve modular 4.6L valve angles.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>03/20/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12136', contentMargin: 60, icon: $('anchor12136') }); </script>  32-valve modular 4.6L valve angles. -- Dave Shoe, 03/20/2002
Collapse <a href=../ForumFE/reply.aspx?ID=12139&Reply=12087><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12139" onclick="return false;">RE: 32-valve modular 4.6L valve angles.</a>&nbsp;-- <font color=#0000ff>Bill Conley, <i>03/20/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12139', contentMargin: 60, icon: $('anchor12139') }); </script>  RE: 32-valve modular 4.6L valve angles. -- Bill Conley, 03/20/2002
Collapse <a href=../ForumFE/reply.aspx?ID=12143&Reply=12087><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12143" onclick="return false;">Wow, there's a name outta my past...</a>&nbsp;-- <font color=#0000ff>Dan Davis, <i>03/20/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12143', contentMargin: 60, icon: $('anchor12143') }); </script>  Wow, there's a name outta my past... -- Dan Davis, 03/20/2002
Collapse <b>Unnatural adaptations.</b>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>03/20/2002</i></font>Unnatural adaptations. -- Dave Shoe, 03/20/2002
 Cam Bearing Spacing -- Bill Conley, 03/20/2002
Collapse <a href=../ForumFE/reply.aspx?ID=12146&Reply=12087><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12146" onclick="return false;">RE: Wow, there's a name outta my past...</a>&nbsp;-- <font color=#0000ff>Bob, <i>03/20/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12146', contentMargin: 60, icon: $('anchor12146') }); </script>  RE: Wow, there's a name outta my past... -- Bob, 03/20/2002
Collapse <a href=../ForumFE/reply.aspx?ID=12148&Reply=12087><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12148" onclick="return false;">OK Bob - One more (not Ford)</a>&nbsp;-- <font color=#0000ff>Bill Conley, <i>03/20/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12148', contentMargin: 60, icon: $('anchor12148') }); </script>  OK Bob - One more (not Ford) -- Bill Conley, 03/20/2002
 That's a good one! Heads must have rolled... [n/m] -- Mr F, 03/21/2002
 Welcome to Europe -- John, 03/21/2002
 Gee, Dan - sounds like a tough gig. ::LOL:: [n/m] -- Mr F, 03/21/2002
 RE: Ok- Twist my arm! -- P, 03/21/2002
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