No aftermarket fuel treatment added to the the tank. Since I use top tier gas all the time, I pretty much don't add anything.
I normally use the same two gas stations. Not sure if they ever did add anything. Only thing I can think of is I did fill up one early morning when the fuel tanker was...
I just got my results for my oil analysis from blackstone labs for my 2021 5.7 Hemi with 57,000 miles. I’ve sent my oil to them over the last few years and notice a slight creep up in manganese with this time it being at 12. They didn’t show any concern in the comments but should I be? I use...