Do I need to re-jet my Thermoquad?

coloradohill said

Here is an article that I have been using as a reference.

Tuning Your Engine By Air/fuel Ratio (motortrend.com)

Click to expand...

coloradohill, did I miss something in the article? It seemed like it was just a click-bait ad for a brand of A/F ratio meter that advertises in Motor Trend magazine. Am I wrong? Pardon me if I'm being rude!