KFX 450 HQ Forum banner

octane

  1. 100 octane build?

    Engine/EFI/Drivetrain
    So it turns out that I have easy access to 100 octane fuel and I'm wondering if it is worth running through my quad. At $5 a gallon it's a very happy medium between 91 and 110. I have no idea what I would need to do to compensate for the octane increase other than a higher compression piston. I...
Top