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I have recently removed and rebuilt my holley 4 barrel. Since the rebuild ( it was rebuilt because it was bypassing fuel internally. It was running too rich even with fuel mixture screw turned all the way off!)The front bowl is filling up and pooring fuel out of the bowl vent. I removed the needle and seat and cleaned them out thoroughly. Re installed and the problem still occurs. Since i didn't have this problem with the old needle and seat i installed the origianl needle and seat, set my float level etc. Same problem. What did i screw up during the rebuild to cause this. I have also flushed all fuel lines, changed fuel filter. I pulled bowl and found no debris in it.
Jeff |