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  1. #1
    pummsgtx255's Avatar
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    100 octane race gas

    Would there be any problem running 100 octane gas in a stock 2007 gtx 215 and an 2009 gtx 255?


  2. #2
    KawiMike's Avatar
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    Is it leaded or oxygenated?

  3. #3
    Mothman's Avatar
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    Yes, you can run it, but the fuel sending unit may not like the lead over time.
    An 8.4:1 engine doesn't need 100octane, and you WILL see a performance loss of a few hundred rpm.
    I run 93oct with 9.5:1's, 17-18psi at 8720rpm-ish.
    My Vtech map was supposed to have been written with timing for 100octane, but it wasn't. If I use 100octane, I lose @300rpm at my elevation.

  4. #4
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    Why waste the money is my first thought

  5. #5
    CHAD IBADTON's Avatar
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    Way cleaner

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  7. #6
    boost junkie skidoochris's Avatar
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    50/50 with pump is more than enough for a low mod ski

  8. #7
    imp0ster's Avatar
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    Race fuels will clean your engine and smell nice. You'd do fine with some Klotz or Torco and unless you're pushing your timing hard then there's no need on a low boost ski

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