'17 AT BRZ with crickets here. I've only ever run 91 Shell or Chevron in it, first noticed the crickets when I had been on Shell for a while but I'm now starting into my 3rd tank of Chevron in a row since noticing them and the crickets are still going strong.
Here's the fix for crickets:
https://www.cafepress.com/mf/7862987...tId=1184472861