Why not do your own head porting? It's really not that hard and you learn a lot while doing it. It's like freeing up horsepower that's been there all along, just buried under a bunch of forged metal.
Here is a great article about porting a set of Ford heads:
http://www.fordmuscle.com/archives/2...ng/index.shtml
Check out the Eastwood Company for all the supplies needed to do the job:
http://www.eastwoodcompany.com/cgi-b...E=default2.htm
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