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Original Message
Other questions...Other myths.
By Derek - 03/21/2002 4:27:15 AM; IP 207.102.191.56
Thanks to all for the answers here, and good explanations of what was going on at Ford. It's appreciated!

A couple more questions come to mind, one about the CJ vs. MR heads, and another about those early 332/352 motors.

It used to be common practice, when attempting to use any of Ford's 'better' aluminum intakes, like the C6AZ-H or M, Tunnel Wedge, etc., to have to weld-in extra material at the bottom of the runner entry in order to allow proper 'blending' with the larger CJ ports. Does this indicate that the MR head's port floors were actually 'raised' in relation to the ones on the CJ?

And going back to those early '58 332/352 motors, I have been told that (probably) the same ones that were equipped with the machined combustion chambers were also equipped with solid lifters. Further, that the original Ford system used a 'shell' lifter, not much different from what Crane Cams still tries to sell you with an FE mechanical cam.

The lifter in Ford's parts system for the 427 had a C4AZ-B number, indicating it originated in 1964. Yet the pushrod used in the 427's (B8AZ-C) clearly came from much earlier. Since the pushrod seat in a 'shell' lifter is over 1" lower than in the 'dumbell' design, obviously the same pushrod could not have been used, assuming there ever WAS a 'shell' type one used.

Anyone know the real story here?
This thread, so far...
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Collapse <a href=../ForumFE/reply.aspx?ID=12116&Reply=12116><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12116" onclick="return false;">Large port 390 heads - Anyone know the REAL story?</a>&nbsp;-- <font color=#0000ff>Derek, <i>03/20/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12116', contentMargin: 60, icon: $('anchor12116') }); </script>  Large port 390 heads - Anyone know the REAL story? -- Derek, 03/20/2002
Collapse <a href=../ForumFE/reply.aspx?ID=12118&Reply=12116><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12118" onclick="return false;">Here's my opinion.</a>&nbsp;-- <font color=#0000ff>Royce Peterson, <i>03/20/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12118', contentMargin: 60, icon: $('anchor12118') }); </script>  Here's my opinion. -- Royce Peterson, 03/20/2002
Collapse <a href=../ForumFE/reply.aspx?ID=12127&Reply=12116><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12127" onclick="return false;">RE:Head games...</a>&nbsp;-- <font color=#0000ff>Mike McQuesten, <i>03/20/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12127', contentMargin: 60, icon: $('anchor12127') }); </script>  RE:Head games... -- Mike McQuesten, 03/20/2002
Collapse <a href=../ForumFE/reply.aspx?ID=12132&Reply=12116><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12132" onclick="return false;">Small runner FE heads first appeared in 1966.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>03/20/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12132', contentMargin: 60, icon: $('anchor12132') }); </script>  Small runner FE heads first appeared in 1966. -- Dave Shoe, 03/20/2002
Collapse <b>Other questions...Other myths.</b>&nbsp;-- <font color=#0000ff>Derek, <i>03/21/2002</i></font>Other questions...Other myths. -- Derek, 03/21/2002
Collapse <a href=../ForumFE/reply.aspx?ID=12154&Reply=12116><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12154" onclick="return false;">CJ versus MR</a>&nbsp;-- <font color=#0000ff>Royce Peterson, <i>03/21/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12154', contentMargin: 60, icon: $('anchor12154') }); </script>  CJ versus MR -- Royce Peterson, 03/21/2002
Collapse <a href=../ForumFE/reply.aspx?ID=12161&Reply=12116><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12161" onclick="return false;">RE: CJ versus MR</a>&nbsp;-- <font color=#0000ff>Joel, <i>03/21/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12161', contentMargin: 60, icon: $('anchor12161') }); </script>  RE: CJ versus MR -- Joel, 03/21/2002
 RE: CJ versus MR -- Royce Peterson, 03/21/2002
 RE: Other questions...Other myths. -- Bob, 03/21/2002
Collapse <a href=../ForumFE/reply.aspx?ID=12168&Reply=12116><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12168" onclick="return false;">RE:early '52/'32 solid engines</a>&nbsp;-- <font color=#0000ff>Mike McQuesten, <i>03/21/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12168', contentMargin: 60, icon: $('anchor12168') }); </script>  RE:early '52/'32 solid engines -- Mike McQuesten, 03/21/2002
Collapse <a href=../ForumFE/reply.aspx?ID=12173&Reply=12116><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12173" onclick="return false;">RE:early '52/'32 solid engines</a>&nbsp;-- <font color=#0000ff>Bob, <i>03/21/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12173', contentMargin: 60, icon: $('anchor12173') }); </script>  RE:early '52/'32 solid engines -- Bob, 03/21/2002
 Info from the grey matter zone.... -- kevin, 03/22/2002
Collapse <a href=../ForumFE/reply.aspx?ID=12224&Reply=12116><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor12224" onclick="return false;">RE:'Shell' vs. 'Dumbbell</a>&nbsp;-- <font color=#0000ff>Derek, <i>03/25/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=12224', contentMargin: 60, icon: $('anchor12224') }); </script>  RE:'Shell' vs. 'Dumbbell -- Derek, 03/25/2002
 RE:Dazed & Confused -- Mike McQuesten, 03/25/2002
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