I run 18psi daily on 93 octane in florida. I'd double check the timing again, might have advanced it by accident when turning it back? Regardless, sucks to hear but it's just a excuse to spend more $$ lol.
**************************************************** a random noob once said: "I think its great that I can make a civilized post among you greater life forms only to have my breasts ripped off by savage milk craving z people."