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Original Message

Cam Bearing Spacing

By Bill Conley - 03/20/2002 11:11:41 PM; IP 67.227.19.169

I've never considered the cam design of a V- type engine but I would guess the following:

The bigger cam bearing spacing probably stems from the need to have the front face of the cam at the very front of the block. Remember that one cylinder bank is staggered relative to the other.

If you had cam bearing spacing = bore spacing and wanted equal cam bearing spacing, the front of the cam would be sunken in by half the cylinder bank offset. They probably just took that extra length and divided it evenly. This would even out bending loads along the camshaft.

Cylinder bank offset is the reason one cam on the 427 SOHC has an extra bearing.

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> <a href="#" id="anchor12087" onclick="return false;">A 428 fits surpringly well in this '57 (?) T-Bird...</a> -- <font color=#0000ff>Mr F, <i>03/18/2002</i></font><script type="text/javascript">
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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> <a href="#" id="anchor12093" onclick="return false;">For years a picture in Ford's Engine Toolroom...</a> -- <font color=#0000ff>Bill Conley, <i>03/19/2002</i></font><script type="text/javascript">
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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> <a href="#" id="anchor12098" onclick="return false;">You mean Bill Coon's famous race car? N/M</a> -- <font color=#0000ff>kevin, <i>03/19/2002</i></font><script type="text/javascript">
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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> <a href="#" id="anchor12103" onclick="return false;">How long were you at Ford? Any stories? :-) [n/m]</a> -- <font color=#0000ff>Mr F, <i>03/19/2002</i></font><script type="text/javascript">
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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> <a href="#" id="anchor12105" onclick="return false;">RE: How long were you at Ford? Any stories? :-) [n/m]</a> -- <font color=#0000ff>Bill Conley, <i>03/19/2002</i></font><script type="text/javascript">
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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> <a href="#" id="anchor12107" onclick="return false;">Stories !!</a> -- <font color=#0000ff>P, <i>03/19/2002</i></font><script type="text/javascript">
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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> <a href="#" id="anchor12125" onclick="return false;">Ok- Twist my arm!</a> -- <font color=#0000ff>Bill Conley, <i>03/20/2002</i></font><script type="text/javascript">
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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> <a href="#" id="anchor12134" onclick="return false;">RE: Ok- Twist my arm!</a> -- <font color=#0000ff>Bob, <i>03/20/2002</i></font><script type="text/javascript">
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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> <a href="#" id="anchor12136" onclick="return false;">32-valve modular 4.6L valve angles.</a> -- <font color=#0000ff>Dave Shoe, <i>03/20/2002</i></font><script type="text/javascript">
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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> <a href="#" id="anchor12139" onclick="return false;">RE: 32-valve modular 4.6L valve angles.</a> -- <font color=#0000ff>Bill Conley, <i>03/20/2002</i></font><script type="text/javascript">
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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> <a href="#" id="anchor12143" onclick="return false;">Wow, there's a name outta my past...</a> -- <font color=#0000ff>Dan Davis, <i>03/20/2002</i></font><script type="text/javascript">
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Wow, there's a name outta my past... -- Dan Davis, 03/20/2002

Collapse <a href=../ForumFE/reply.aspx?ID=12145&Reply=12087><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor12145" onclick="return false;">Unnatural adaptations.</a> -- <font color=#0000ff>Dave Shoe, <i>03/20/2002</i></font><script type="text/javascript">
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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> <a href="#" id="anchor12146" onclick="return false;">RE: Wow, there's a name outta my past...</a> -- <font color=#0000ff>Bob, <i>03/20/2002</i></font><script type="text/javascript">
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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> <a href="#" id="anchor12148" onclick="return false;">OK Bob - One more (not Ford)</a> -- <font color=#0000ff>Bill Conley, <i>03/20/2002</i></font><script type="text/javascript">
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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