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Gas Grade Opinion Help....
Hey Calidude the adjustment screw you are talking about is an idle air bleed.It is used on calif emission carbs and some 49 state units.It is a fine adjustment to get the mixture controll dwell in spec.I have all the tools to do these carbs as I am a GM dealer tech.I worked on those units when...- wagonman
- Post #16
- Forum: Engine & Performance
