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Old 01-08-2012, 10:09 AM   #6
38 coupe
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Join Date: May 2010
Location: South Texas
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Default Re: All is not always as it appears.

I have seen similar large butterflys on 4 barrel carbs that flow huge amounts of air. To gain airflow when you run this you would also need to machine the divider out of the manifold. With both the carburetor and manifold modified, it should flow a noticeable amount more air a wide open throttle, but will probably have lean mixture problems coming off idle.
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