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Original Message
RE: the problem is the heads
By David Thayer - 02/07/2002 4:10:06 PM; IP 158.52.254.237
The heads on the 67 and 68 GT500 had horizontal bolt patterns on the exhaust prts. 67 and 68 428PI heads had verticle pattern bolts. These heads were 390 GT heads as the exhaust manifolds used on shelby's was the 390GT exhaust, not the ball glove type which would have allowed the 428PI heads to be used. Why would Ford switch heads out when they already had an exhaust manifold that would work in the mustang.

So, Ford either put 390GT heads on the 428 and called it a PI ,,,,,,or the engines were 390's. My point is, either way they were NOT what was advertised.
This thread, so far...
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Collapse <a href=../ForumFE/reply.aspx?ID=11169&Reply=11169><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11169" onclick="return false;">Marine 427 info from Holman Moody</a>&nbsp;-- <font color=#0000ff>David Thayer, <i>02/07/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11169', contentMargin: 60, icon: $('anchor11169') }); </script>  Marine 427 info from Holman Moody -- David Thayer, 02/07/2002
Collapse <a href=../ForumFE/reply.aspx?ID=11175&Reply=11169><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11175" onclick="return false;">Kevin Marti question - 390's in Shelbys</a>&nbsp;-- <font color=#0000ff>Royce Peterson, <i>02/07/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11175', contentMargin: 60, icon: $('anchor11175') }); </script>  Kevin Marti question - 390's in Shelbys -- Royce Peterson, 02/07/2002
 RE: engine tag stuff -- David Thayer, 02/07/2002
Collapse <a href=../ForumFE/reply.aspx?ID=11178&Reply=11169><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11178" onclick="return false;">RE: Hey Royce, here is a question</a>&nbsp;-- <font color=#0000ff>David Thayer, <i>02/07/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11178', contentMargin: 60, icon: $('anchor11178') }); </script>  RE: Hey Royce, here is a question -- David Thayer, 02/07/2002
Collapse <a href=../ForumFE/reply.aspx?ID=11181&Reply=11169><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11181" onclick="return false;">67 Fairlane / Comet 427 manifolds</a>&nbsp;-- <font color=#0000ff>Royce Peterson, <i>02/07/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11181', contentMargin: 60, icon: $('anchor11181') }); </script>  67 Fairlane / Comet 427 manifolds -- Royce Peterson, 02/07/2002
Collapse <b>RE: the problem is the heads</b>&nbsp;-- <font color=#0000ff>David Thayer, <i>02/07/2002</i></font>RE: the problem is the heads -- David Thayer, 02/07/2002
 The problem is NOT the heads -- Royce Peterson, 02/07/2002
Collapse <a href=../ForumFE/reply.aspx?ID=11190&Reply=11169><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11190" onclick="return false;">No - PI heads were drilled both ways. Shoe's got it right...</a>&nbsp;-- <font color=#0000ff>Mr F, <i>02/07/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11190', contentMargin: 60, icon: $('anchor11190') }); </script>  No - PI heads were drilled both ways. Shoe's got it right... -- Mr F, 02/07/2002
 Shoes answere explains the heads -- David Thayer, 02/07/2002
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