If you guys want this settled. Get a car, and a dyno. Run it almost to E, fill with a gallon or two of regular. Dyno it, then drive it around until it's about to be empty, fill with Premium, re dyno, (same day) and see if there is a gain.
Jeremy Clarkson on Detroit: “God may have created the world in six days, but while he was resting on the seventh, Beelzebub popped up and did this place.”
ST CREW #107 / TEAM DURATEC #93 / D23 Crew #3