How To Read A Spark Plug Vs Using An AFR Wideband O2 Sensor Gauge | Reading Spark Plug Tuning

How to read a spark plug versus using an AFR wideband o2 sensor gauge. Which one is the real winner and which one should you use for your build. Like all other things, it really does depend on the application and intended use of your engine. I will be going through the past operation of reading a spark plug as well as all the new benefits of using a modern wide band gauge. Spark plug readings can tell you a lot about an engine, but is it enough to compete with a modern o2 sensor gauge? My test engine for this is my carb ls carbed 5.3 LS engine. Currently running a wideband AFR gauge Reading spark plugs as well as spark plug tuning is a lost art and I hope it is not forgotten, but due to the ever increasing advances in technology, manually looking at the condition of the spark plugs is becoming a chore of the past. Any questions feel free to post them down below! Wideband tuning is probably the best way to go!