
06-24-2021, 08:23 AM
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CC Member
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Join Date: Oct 2007
Cobra Make, Engine: Superformance, Roush 402R
Posts: 303
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Not Ranked
The powervalve was not replaced during the carb rebuild.
They are recommending replacing the Holley 770 with a Holley 650 double pumper (0-4777C or0-4777S or a 0-4777SAE).
Now to find one that won't break the bank. 
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