Noticed a united station near my house is selling 100 octane fuel, so started filling up my R1 and car (mitsu rvr...basically an EVO 3). Curious if anyone else has bothered trying it, and if they've had any change, good/bad/indifferent in the performance of their bike? I have to be honest and say that I haven't come to a solid conclusion personally, as both are performing exceptionally well in this cold weather. It's my first winter with the R1 and far out, I thought it boogied when I got it mid Jan, but It's an absolute weapon in the cold! And my car being a turbo always shines in the cold. Bike and car are tuned for premium, but not 100grade, so wondering if It's even worth it..... Keen to hear others experience.