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Old 07-28-2020, 11:01 AM   #13
1931 flamingo
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Join Date: May 2010
Location: new britain,ct 06052
Posts: 8,699
Default Re: Backfire in overrun mode (load change)

Try re-torqueing the manifolds. What gasket did youu use on the manifolds?? Gland rings?? I liked the late 31 copper gaskets myself.
Paul in CT
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