Has anyone used an AFR(Air Fuel Ratio) sensor and Voltmeter to tune carb?

So I have been thinking..... I want to make sure that my carb isn’t too rich or too lean. I could take it to a shop with an exhaust sniffer and pay $100 -$150 for them to adjust my carb air screw. But I started reading about wide band air flow sensors and gauges. Most require you to drill a hole in your exhaust pipe before the muffler and either weld in a bung or they make clamp on ones as well. I am not sure I want to do that as I am not looking for a permanent sensor installed. I am...

Has anyone used an AFR(Air Fuel Ratio) sensor and Voltmeter to tune carb?
Author: HWYCRZR