premium

Hi there folks! I tried using the search bar, but the only thing it picked up was a thread from 2012. I just picked up a 2015 Vitamin C VT, and I have been putting in only premium "supreme clean" gas from Irving. In NB and NS, the premium gas is the only gas without ethanol. I heard however...

This is my first post here. I have a GTechRR which I use for performance gain monitoring. I ran some runs in second gear with Shell 87 octane/RUL, some runs a few days later with Shell 93 in second, and continued one run into third. Plotted below are the best runs: Notes: 87 octane runs...