I don't gamble much either , the last answer is better but still just states basic principles not any conclusive research in favour of his beleif.
I ment to say "Oxygen sensor " not just oxygen.
It is very consistant with everyone who builds race engine works as a technition or anything in the feild of engines lower octane runs hotter .
Heat breaks down anything faster . It doesn't matter if it is made for high temps as running it higher just reduces its life.
It is easy to prove that anyone with a turbo or superchargers knows that as well. My exhuast temp gauge proves the 200 degree difference.
I am willing to be wrong or misinformed with anything , their is nothign bad about being wrong. I am adament in this because i know its effects.