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Yes but.....
By Royce Peterson - 08/25/2003 2:02:06 PM; IP 205.188.209.107
The only 427 engine they will fit is the 1968 hydraulic lifter 427. This engine originally used the same exhaust manifolds as a 1967 - 68 390GT Mustang / Cougar.

Any other year 427 has a head design with exhaust ports that do not have bolt holes to align with the holes in the 390GT manifolds.

There are specific 1966 - 67 Fairlane 427 manifolds that will of course work. The 390GT manifolds are terrible for performance and I advise against using them in any case on a 427.

Royce
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Collapse <a href=../ForumFE/reply.aspx?ID=18235&Reply=18235><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor18235" onclick="return false;">exhaust manifolds</a>&nbsp;-- <font color=#0000ff>Steve, <i>08/25/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=18235', contentMargin: 60, icon: $('anchor18235') }); </script>  exhaust manifolds -- Steve, 08/25/2003
Yes but..... -- Royce Peterson, 08/25/2003
 RE: exhaust manifolds -- uri, 12/03/2005
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