Zenith carb secondary well machining

[EZLIFE]

Tom Endy and others mention machining a relief into the brass secondary well to correct a problem. Does anyone have detailed information on how and where to machine this relief? I would like to try it.

[Ed in Maine]

With the secondary well installed and tightened in position, remove the Compensator Jet and using a sharp nail or awl, scratch the side of the secondary well. Then remove the Secondary Well and using a dremel tool, grind a groove around the Secondary Well from the scratch mark to the fill hole. Dont't cut too deep, just enough to increase the gasoline flow rate to the fill hole. I hope this is helpful, Ed

[EZLIFE]

Thanks Ed
I tried to upload a picture of the one I machined with the Dremel, but it said invalid file. I need to learn how to do it.

[Tom Endy]

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Once you identify where the area should be machined, chuck it up in a drill press, spin it, and lean a file against it.

Tom Endy