Originally Posted by BrianBrave
I figured it might be similar to the few memebers who decided to run 87 octane regular fuel. The Crossfire still runs fine but will lack in performance without premium fuel.
If it doesn't cause a big problem, I would be willing to bump-up to a 100 octane tune and just live with 91 octane it when I can't get to one of the 100 octane pumps in my local.
You can always add a can of Octane Boost or keep one in the car, this way you can actually use that pathetic cup holder