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  1. #1
    pgh300x's Avatar
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    Question Fuel Options for the 300x

    Guys,

    So I just found out that a local fuel distributor is offering 100 octance unleaded. Here is the question...can or should I use this in the 300 this summer?

    Any insight would be apprciated.

    Thanks!


  2. #2
    KawiMike's Avatar
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    Octane is the fuels rating to resist detonation. In racing, you're supposed to use the lowest octane the motor can burn without detonation. It won't hurt to run 100, but it won't help either. You may lose a few horsepower too. Just run 91 or 93 and call it good.

  3. #3
    nicjak's Avatar
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    i would be asking whats been added to the fuel to get 100, if its ethanol i would steer clear

  4. #4
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    I put vp street blaze 100 in mine when I race it. Everyone can get as technical as they want with everything..... It's never had a problem, quite a few cc races, WF's racing 2 class's a day and an enduro.

  5. #5
    KawiMike's Avatar
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    Quote Originally Posted by Mike H View Post
    I put vp street blaze 100 in mine when I race it. Everyone can get as technical as they want with everything..... It's never had a problem, quite a few cc races, WF's racing 2 class's a day and an enduro.
    For racing its good. Lower operating temps and no chance detonation. For rec riding, it's a waste of money.

  6. #6
    ImpactSportsTV's Avatar
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    Quote Originally Posted by nicjak View Post
    i would be asking whats been added to the fuel to get 100, if its ethanol i would steer clear

    +1 - here in the US ethanol is what is usually used to boost it to 100 pump gas.

  7. #7
    OzarkYamMonster's Avatar
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    As far as I know the only way to get pump gas @ 100% octane is with ethanol. Not the best way to go. If you want 100% you can go to local airportand by Avgas 100 LL. IMO, the best thing would be 91 or 93 octane with NO ethanol.

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