You've got a LOT of valve unshrouding to do if you're running standard D-port closed chamber heads! They don't flow worth CRAP until you hog a TON of metal out from around the valves.

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66 mustang
302 4-speed 289 heads, 10.63 @ 129.3
[url]http://www.mustangworks.com/cgi-bin/moi-display.cgi?220[/url]
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