Mixing fuels for higher octane

I would like to runa little higher octane than the 91 pump. What kind of octane can I get by mixing Ultimate-4 or 110 red with 91?

50/50 or 66/33(pump/race)

Thanks,

Ed

from what i gather you just do the math and thats what it is. like 91 mixed 50/50 with 110 would be 100.5 octane :cry:

If you don't need it, raising the octane will do nothing for you. Your only improvement here is that you might end up with a better energy content by adding U4 to your current pump gas.

To understand the octane issue better. read through this:

http://www.faqs.org/faqs/autos/gasoline-faq/part3/

More octane does not equal more power, U4 may boost perfomance tho'.

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