It will go down when the fuel pressure is on it. If it didn't you would not get any gas in the bowl at all. Make sure your float is not full of gas & not bent to where it hangs up on the side of the bowl. Set the float in a can of gas or solvent. It should bobble around like a cork. Make sure the float level is correct. Clean the needle & seat. It should run OK. You may want to put a filter at the entrance to the carb.


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
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