Trying to look into a suspicion I have with some of the issues I have noticed with the new ST 8 speed. I have always ran 87 octane until just the other day. I happened to have quite a bit of stop and shop points and nearly maxed out my discount so I decided to fill with 89. I noticed slightly higher boost as expected but also the shutter/bounce effect in the 2/3 shift seems to be greatly reduced. I am wondering if people are experiencing most of the problems when running lower octane gas. Possib