I have an AFB as well i was fiddling with. i noticed it was dripping fuel out the boosters on the primary. i thought that was odd too. I took out the boosters and made sure to use the wire from a zip tie and push it through the small pipe. also compressed air both of them. I also noticed that if my idle screw was too far in this could cause this but i may have something else going on with this carb. i tried compressed air in the idle mixture screw holes when they were removed just to be sure no clogs. also when it comes to the those AFB's the float settings are not the same as the edelbrock 1406... (pretty sure on this) at least the 9000 series carbs. maybe yours is ? here is a manual from back then. my initial float setting was 10/32. https://www.carburetor-parts.com/ass...ZSXJ6-457ywek6
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69 Gto, 390 posi gears,th400 w/jim hand converter/406 pontiac/#64 HEADS/ 10:1 compression/ 190 PSI with/ TRW 160 thou domes / hooker headers 1 7/8, PRW 1.5 rockers, 405 Crower Springs, Holley 750 vac with proform upgrade, Performer RPM on points / 284 H Single Pattern Crane
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