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04-01-2010 08:46 AM #2
At 4 vacuum your power valve is most likely active at idle. It will never idle correctly with the PV draining fuel into the carb. Standard power valves are usually come in at 6.5. Looks like you need a 25 PV. Better yet do the cam swap now.
KitzJon Kitzmiller, MSME, PhD EE, 32 Ford Hiboy Roadster, Cornhusker frame, Heidts IFS/IRS, 3.50 Posi, Lone Star body, Lone Star/Kitz internal frame, ZZ502/550, TH400





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I'm happy to see it back up, sure hope it lasts.
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