Another "Is Fuel Injection a Worthwhile Upgrade?" Question

yellow rose said

I get it. All carb guys are stupid and EFI guys are brilliant.

IDGAF about your A/F meter or anything else expect what the dyno says, what the time slip says and how it drives.

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On a carb'd car, I installed a simple dancing colored lights, AFR reader: it died. I sent it out for repair. It came back and after a while, it died again.
After that I have never again put a reader on anything else I tuned. Like I said; I just tune till it gets worse, then back up a step, or two.