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Original Message
why not just weld some covers over real headers?
By Walker - 03/29/2001 9:40:27 AM; IP 12.84.122.72
seems like a lot of effort, and rod, to get a very slight boost in HP which could be better spent on replacing the cast iron intake with an aluminum one, or an "S" one, or coating the pistons and chambers with HPC and dry-film lubricant (definitely wouldn't be visible) or upgrading the ignition or any number of other paths to power.

Not to mention, you're talking about welding cast iron and you DON'T want leaks in your exhaust system. Have you considered an H pipe?

You could go whole hog and do the old cleveland exhaust port route, cut out half the head and weld in new, higher, better flowing exhaust ports. Aluminum heads are recommended for that though.
This thread, so far...
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Collapse <a href=../ForumFE/reply.aspx?ID=5737&Reply=5737><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor5737" onclick="return false;">exhaust manifold spacer</a>&nbsp;-- <font color=#0000ff>T1M, <i>03/28/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=5737', contentMargin: 60, icon: $('anchor5737') }); </script>  exhaust manifold spacer -- T1M, 03/28/2001
Collapse <a href=../ForumFE/reply.aspx?ID=5739&Reply=5737><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor5739" onclick="return false;">correction...</a>&nbsp;-- <font color=#0000ff>T1M, <i>03/28/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=5739', contentMargin: 60, icon: $('anchor5739') }); </script>  correction... -- T1M, 03/28/2001
Collapse <a href=../ForumFE/reply.aspx?ID=5740&Reply=5737><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor5740" onclick="return false;">I think I know what you are saying</a>&nbsp;-- <font color=#0000ff>Neppy, <i>03/28/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=5740', contentMargin: 60, icon: $('anchor5740') }); </script>  I think I know what you are saying -- Neppy, 03/28/2001
Collapse <a href=../ForumFE/reply.aspx?ID=5749&Reply=5737><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor5749" onclick="return false;">that's it, sorry i'm not good at describing it..</a>&nbsp;-- <font color=#0000ff>T1M, <i>03/28/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=5749', contentMargin: 60, icon: $('anchor5749') }); </script>  that's it, sorry i'm not good at describing it.. -- T1M, 03/28/2001
Collapse <a href=../ForumFE/reply.aspx?ID=5750&Reply=5737><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor5750" onclick="return false;">ps.</a>&nbsp;-- <font color=#0000ff>T1M, <i>03/28/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=5750', contentMargin: 60, icon: $('anchor5750') }); </script>  ps. -- T1M, 03/28/2001
Collapse <a href=../ForumFE/reply.aspx?ID=5752&Reply=5737><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor5752" onclick="return false;">Interesting idea, though I'm no airflow expert.</a>&nbsp;-- <font color=#0000ff>Neppy, <i>03/28/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=5752', contentMargin: 60, icon: $('anchor5752') }); </script>  Interesting idea, though I'm no airflow expert. -- Neppy, 03/28/2001
Collapse <a href=../ForumFE/reply.aspx?ID=5759&Reply=5737><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor5759" onclick="return false;">RE: Interesting idea, though I'm no airflow expert.</a>&nbsp;-- <font color=#0000ff>kevin, <i>03/29/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=5759', contentMargin: 60, icon: $('anchor5759') }); </script>  RE: Interesting idea, though I'm no airflow expert. -- kevin, 03/29/2001
Collapse <a href=../ForumFE/reply.aspx?ID=5760&Reply=5737><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor5760" onclick="return false;">RE: Interesting idea, though I'm no airflow expert.</a>&nbsp;-- <font color=#0000ff>Chris, <i>03/29/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=5760', contentMargin: 60, icon: $('anchor5760') }); </script>  RE: Interesting idea, though I'm no airflow expert. -- Chris, 03/29/2001
Collapse <b>why not just weld some covers over real headers?</b>&nbsp;-- <font color=#0000ff>Walker, <i>03/29/2001</i></font>why not just weld some covers over real headers? -- Walker, 03/29/2001
 RE: why not just weld some covers over real headers? -- T1M, 03/29/2001
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