[scottj]

There is much more to race fuel than octane rating.

Race fuels, such as VP Race Fuel, are blended for specific applications.

For instance, the VP Ultimate 4 that I run in my motocross bikes is only 92 octane but, it makes 6% more power than 92 octane pump gas.

The VP Late Model Plus that I run in my dirt car is 113 octane, like the Sunoco that I used to run but, it burns cooler AND makes more power than Sunoco (about 1%).

But, in my bikes, VP Late Model Plus made less power than VP Ultimate 4, or pump gas.

It's all about the blend. Certain blends do make more power when used in their intended application.
Scott