Scot, you don't have to " cast the choke area " - just get a inside mic and write down a reading every 1/4". JMHO, but I believe a lot of people think removing .005 of material on a side [ that's .010 total ] is rocket science. I used .005 as an example and that would be like changing a full choke to modified. I'm also a backyard machinist, but if someone has a basic knowledge of machining then you should be able to remove that .005 without screwing it up. Opinions are like a**holes, everyone has one, and that's mine. No offence to anyone - have a good day.
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Paul Harm
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