1bbl rochester

[63chevyfleet]

hey board...i have a 1bbl bc rochester carb. the problem im having is that i just rebuilt the carb and having an issue with burning to rich. i already adjusted the gas needle screw and still the same. but this is my the first time rebuilding a 1bbl carb. so im thinking its the float level i really dont know were to measure the float level. can someone help me on were exact is that measurent on the little ruler that came with the rebuild kit. also i have a manuel choke.....but is not hooked to the exhaust to warm up at cold start... can that effect burning to rich when idling? all helped appreciated
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[Wrenchbender Ret]

To set the float level turn the air horn upside down & measure from the gasket to the bottom ofthe foat. It should be 1 9/32. There is a hole in the base of the carb. Make sure there is a passage way from that hole to the inside of the manifold so it can get vacuum. Make sure the ball in the discharge nozel is seated & the power valve nocks it off & moves freefy.