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MRX01 race fuel

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VP has a new race gas called Ultimate 4. It's made just for thumpers, and it's good for up to 6% power increase compared to pump gas. It's only 98 octane but its highly oxygenated.

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yes, and it is also completely ILLEGAL in any AMA event.

it has MORE than the legal level of 2.55% oxygen.

however, you can dump it in and go. no rejetting is required.

roughly $8 a gallon.

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C-12 ia a bit cheaper, but I don't know anyone who runs it in four strokes. I can get it for under $5/gal, might give it a try...

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