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Original Message
C8AE may or may not be unibody heads.
By Gerry Proctor - 02/07/2006 6:26:42 AM; IP 137.242.1.15
It's how many bolt holes exist in the exhast port flange. Eight bolt holes is the regular passenger car pattern. Fourteen bolt holes are for the unibody (Mustang/Fairlane) cars. C8AE-H heads were drilled depending on what car they were going on in the final assembly.

If your heads have the eight bolt holes, then you can not fit the correct factory manifolds to the car unless you pull the heads and drill and tap the exhast flange for these manifolds.

If you do have the 14-bolt flange, then you just need to get the correct unibody manifolds.

And Hawkrod is right...the factory log manifolds stink. Unless you are going for a resoration at some level, do consider headers.
This thread, so far...
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Collapse <a href=../ForumFE/reply.aspx?ID=26766&Reply=26766><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor26766" onclick="return false;">390 exhaust manifold</a>&nbsp;-- <font color=#0000ff>Lew, <i>02/06/2006</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=26766', contentMargin: 60, icon: $('anchor26766') }); </script>  390 exhaust manifold -- Lew, 02/06/2006
Collapse <a href=../ForumFE/reply.aspx?ID=26767&Reply=26766><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor26767" onclick="return false;">It hits because you have the wrong manifolds</a>&nbsp;-- <font color=#0000ff>Hawkrod, <i>02/06/2006</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=26767', contentMargin: 60, icon: $('anchor26767') }); </script>  It hits because you have the wrong manifolds -- Hawkrod, 02/06/2006
Collapse <a href=../ForumFE/reply.aspx?ID=26768&Reply=26766><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor26768" onclick="return false;">RE: It hits because you have the wrong manifolds</a>&nbsp;-- <font color=#0000ff>Lew, <i>02/06/2006</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=26768', contentMargin: 60, icon: $('anchor26768') }); </script>  RE: It hits because you have the wrong manifolds -- Lew, 02/06/2006
Collapse <b>C8AE may or may not be unibody heads.</b>&nbsp;-- <font color=#0000ff>Gerry Proctor, <i>02/07/2006</i></font>C8AE may or may not be unibody heads. -- Gerry Proctor, 02/07/2006
Collapse <a href=../ForumFE/reply.aspx?ID=26773&Reply=26766><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor26773" onclick="return false;">RE: C8AE may or may not be unibody heads.</a>&nbsp;-- <font color=#0000ff>Lew, <i>02/07/2006</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=26773', contentMargin: 60, icon: $('anchor26773') }); </script>  RE: C8AE may or may not be unibody heads. -- Lew, 02/07/2006
Collapse <a href=../ForumFE/reply.aspx?ID=26774&Reply=26766><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor26774" onclick="return false;">Nope. At least not in your application.</a>&nbsp;-- <font color=#0000ff>Gerry Proctor, <i>02/07/2006</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=26774', contentMargin: 60, icon: $('anchor26774') }); </script>  Nope. At least not in your application. -- Gerry Proctor, 02/07/2006
Collapse <a href=../ForumFE/reply.aspx?ID=26776&Reply=26766><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor26776" onclick="return false;">RE: Nope. At least not in your application.</a>&nbsp;-- <font color=#0000ff>Lew, <i>02/07/2006</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=26776', contentMargin: 60, icon: $('anchor26776') }); </script>  RE: Nope. At least not in your application. -- Lew, 02/07/2006
 I would have made the same recommendation. -- Gerry Proctor, 02/07/2006
 RE: Nope. At least not in your application. -- walt, 02/07/2006
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