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[QUOTE="Rich Rohrich, post: 1228543, member: 16241"] VP C12 is not an oxygenated fuel so that's not an issue. Going from C12 to Sunoco Standard purple 110 the bike will run leaner across the board in part because a lot smaller percentage of the fuel will be evaporated. Sunoco 110 also has a very high end point temperature so it is going the spooge a lot more than C12. Starting and warm-up in cooler weather will also be more difficult with 110. Throttle response will likely be fairly flat as well compared to C12. There is no way to know for sure what the octane or distillation curve will look like when you mix 110 with 87 octane fuel. Those graphs people post are just to placate the chemistry impaired. All you can is test and tune till you find a point where your engine runs good and doesn't detonate. Cutting VP C12 with regular was a bad idea, and this holds true for 110 as well. Basically Sunoco 110 is a really poor choice for your application, but it should do a very good job of suppressing detonation. Sunoco GT or GT Plus (both oxygenated unleaded) run straight would be much better choices from a performance and tuning standpoint. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
Race gas
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