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Old 06-15-2015, 08:55 AM   #3
tubman
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Join Date: Dec 2013
Location: Minnesota, Florida Keys
Posts: 12,140
Default Re: Bad fuel pump? 51 Custom

I agree with 51 Merc. It seems that the glass bowl has a propensity to leak air. I had the same problem and solved it by sanding the top of the glass bowl on my surface plate to ensure it was dead flat and installing a new gasket. I've also found that, for some reason, cork bowl gaskets work better then the neoprene ones.

That second sediment bowl on there doubles your chances of this being the problem!
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