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Original Message
Headers with C4 head are a pain in the Mustang.
By Dave Shoe - 01/15/2002 9:11:04 PM; IP 12.2.11.131
It's tough enough to work with headers in a Mustang when you've got 16 exhaust bolt bosses to work with.

C4 heads (actually, any common 1958-65 heads) flow great. These all have large runners and high-positioned exhaust ports without restrictive thermactor bosses. The complication arises when you try to drill the eight extra exhaust manifold holes in them. Since the Fairlane hadn't yet been converted to fit the FE in 1964, the extra bosses are not present in any FE head. By 1966, virtually all FE heads had the extra bosses cast into them, ready to be drilled if required.

C4 heads only offer the 8-bolt vertical header mounting pattern. Mounting the four lower header bolts on each side will positively suck. I've oft times heard it can be done, but it's a royal pain to wrench them on.

Just what I've heard,
Shoe.
This thread, so far...
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Collapse <a href=../ForumFE/reply.aspx?ID=10752&Reply=10752><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor10752" onclick="return false;">Galaxy/Mustang 390</a>&nbsp;-- <font color=#0000ff>Jeremy Faulds, <i>01/15/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=10752', contentMargin: 60, icon: $('anchor10752') }); </script>  Galaxy/Mustang 390 -- Jeremy Faulds, 01/15/2002
Collapse <a href=../ForumFE/reply.aspx?ID=10755&Reply=10752><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor10755" onclick="return false;">RE: Galaxy/Mustang 390</a>&nbsp;-- <font color=#0000ff>Bob, <i>01/15/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=10755', contentMargin: 60, icon: $('anchor10755') }); </script>  RE: Galaxy/Mustang 390 -- Bob, 01/15/2002
 The pans are likely the same. -- Dave Shoe, 01/15/2002
Collapse <a href=../ForumFE/reply.aspx?ID=10756&Reply=10752><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor10756" onclick="return false;">RE: Galaxie Heads?</a>&nbsp;-- <font color=#0000ff>Mike McQuesten, <i>01/15/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=10756', contentMargin: 60, icon: $('anchor10756') }); </script>  RE: Galaxie Heads? -- Mike McQuesten, 01/15/2002
 RE: Galaxie Heads? -- Jeremy Faulds, 01/15/2002
Collapse <a href=../ForumFE/reply.aspx?ID=10766&Reply=10752><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor10766" onclick="return false;">RE: Edelbrock?</a>&nbsp;-- <font color=#0000ff>Mike McQuesten, <i>01/15/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=10766', contentMargin: 60, icon: $('anchor10766') }); </script>  RE: Edelbrock? -- Mike McQuesten, 01/15/2002
Collapse <a href=../ForumFE/reply.aspx?ID=10777&Reply=10752><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor10777" onclick="return false;">RE: Edelbrock?</a>&nbsp;-- <font color=#0000ff>mikeb, <i>01/15/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=10777', contentMargin: 60, icon: $('anchor10777') }); </script>  RE: Edelbrock? -- mikeb, 01/15/2002
Collapse <b>Headers with C4 head are a pain in the Mustang.</b>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>01/15/2002</i></font>Headers with C4 head are a pain in the Mustang. -- Dave Shoe, 01/15/2002
 RE: Headers with C4 head are a pain in the Mustang. -- Bob, 01/15/2002
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