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Old 01-05-2010, 06:38 PM
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40forddgc 40forddgc is offline
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low idle vacuum question

I just put a new 350 cubic inch in my 40 Ford. It runs really well. It has a new 575 dual feed Holey. At low idle it has 5 vacuum and under load it has 15 vacuum. My question is why is it dying at low idle?

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