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What vehicle are we looking at?
By Dave Shoe - 05/01/2004 9:39:23 AM; IP 216.243.176.34
Also, what intake manifold and what exhaust?

If you are running headers, you will want to note the exhaust ports are located about 1/4" differently between the two heads, so you need to have headers which are correct for the particular head, otherwise improper gasket crush will pretty much assure header gasket leaks. Also the C3 head has the tall "pre-emissions" intake runners and the C8 has the smaller "velocity" runners which are well flowbenched but to come up short in the high RPM arena.

Also, what intake manifold? C8 heads with CJ valves are great street performers, but the C3 can rev a bit higher if you cam is a revver, however the C3s lack the bosses for drilling the eight diagonal exhaust manifold bolts which make the C8s so much easier to install on Fairlane/Mustang applications. C8 heads all have the bosses which allow 16 exhaust manifold bolt bosses to be drilled (don't drill too deep or you'll hit coolant!).

Shoe.
This thread, so far...
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Collapse <a href=../ForumFE/reply.aspx?ID=21225&Reply=21225><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor21225" onclick="return false;">Is it worth changing out C8AEE-H for C3AE heads?</a>&nbsp;-- <font color=#0000ff>Jay, <i>04/29/2004</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=21225', contentMargin: 60, icon: $('anchor21225') }); </script>  Is it worth changing out C8AEE-H for C3AE heads? -- Jay, 04/29/2004
Collapse <b>What vehicle are we looking at?</b>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>05/01/2004</i></font>What vehicle are we looking at? -- Dave Shoe, 05/01/2004
Collapse <a href=../ForumFE/reply.aspx?ID=21245&Reply=21225><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor21245" onclick="return false;">A F250 4x4</a>&nbsp;-- <font color=#0000ff>Jay, <i>05/01/2004</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=21245', contentMargin: 60, icon: $('anchor21245') }); </script>  A F250 4x4 -- Jay, 05/01/2004
Collapse <a href=../ForumFE/reply.aspx?ID=21249&Reply=21225><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor21249" onclick="return false;">Hooker seems to have done OK with truck headers.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>05/02/2004</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=21249', contentMargin: 60, icon: $('anchor21249') }); </script>  Hooker seems to have done OK with truck headers. -- Dave Shoe, 05/02/2004
Collapse <a href=../ForumFE/reply.aspx?ID=21257&Reply=21225><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor21257" onclick="return false;">I tried Hooker super comps before</a>&nbsp;-- <font color=#0000ff>Jay, <i>05/02/2004</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=21257', contentMargin: 60, icon: $('anchor21257') }); </script>  I tried Hooker super comps before -- Jay, 05/02/2004
 RE: I have Hooker Comps on my 72 twd -- Robert, 05/03/2004
Collapse <a href=../ForumFE/reply.aspx?ID=21290&Reply=21225><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor21290" onclick="return false;">That makes sense.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>05/03/2004</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=21290', contentMargin: 60, icon: $('anchor21290') }); </script>  That makes sense. -- Dave Shoe, 05/03/2004
Collapse <a href=../ForumFE/reply.aspx?ID=21301&Reply=21225><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor21301" onclick="return false;">RE: That makes sense.</a>&nbsp;-- <font color=#0000ff>Robert, <i>05/03/2004</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=21301', contentMargin: 60, icon: $('anchor21301') }); </script>  RE: That makes sense. -- Robert, 05/03/2004
 RE: That makes sense. (Picture link) -- Robert, 05/08/2004
Collapse <a href=../ForumFE/reply.aspx?ID=21403&Reply=21225><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor21403" onclick="return false;">RE: I tried Hooker super comps before</a>&nbsp;-- <font color=#0000ff>Robert, <i>05/08/2004</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=21403', contentMargin: 60, icon: $('anchor21403') }); </script>  RE: I tried Hooker super comps before -- Robert, 05/08/2004
 I'm pretty sure. -- Jay, 05/09/2004
 I know it's not the gaskets either. -- Jay, 05/09/2004
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