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Old 08-11-2020, 10:44 PM
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Join Date: Jun 2020
Location: Santa Barbara, CA
Cobra Make, Engine: BDR build #983
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Originally Posted by Gaz64 View Post
Yes, bad o-ring.
The o-ring needs to be the correct size, and lubed on assembly. It is the first resistive part on assembly.
A bad o-ring can be a reason for a creeping float level, and flooding condition.
And a bad O-ring was the cause of my problem! When I compared the old N&S assembly to the new replacement part, the flatness of the O-ring was very obvious. I guess it had lost it's sealing capability over the years. Reinstalled the bowl with a new N&S and new gaskets and everything works great now. No fuel pouring into the secondary chambers. Thanks everyone for all of your help, proving once again what a wealth of information this forum is.
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