A/F and Misfire

Quick Question, Cant seem to find any info on exactly what I am looking for. Today the car was running great, then I took it out in the evening and it started misfiring. I am going to guess its because of the colder air (at least a 10 degrees C cooler). The gap in my plugs are stock, which I was told to bring them down to 25-30 thou gap.

Now getting to the question. Will a plug misfire, mess up my A/F readings from my LC-1 Wideband O2? It dosnt feel like a detonation just cutting out, however my WB02 is showing off the scale Lean condition. (goes to infinity breifly).

Anyone?

Well it turned out to be my GAP. it was 0.035 and I set it to 0.025 its working much better.

Now to hit the Dyno tommorrow and see what I can pull with my SSautochrome kit :slight_smile: lol…

Nick