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What does this term mean?

Discussion in 'General Chevy & GM Tech Questions' started by Joel.B, Aug 26, 2011.

  1. Joel.B

    Joel.B New Member

    What does the word FLEX mean in the following: 5.3L V8 323 CID FLEX?
  2. mfleetwood

    mfleetwood Rockstar 4 Years ROTM Winner 5000 Posts

    It means that it is a "flex fuel" vehicle.
    Last edited: Aug 26, 2011
  3. silveradotrailblazer

    silveradotrailblazer Epic Member 5+ Years ROTM Winner 5000 Posts

    You can run E-85 fuel.
  4. Joel.B

    Joel.B New Member

    Thank you, that is what I thought it ment. Can you mix E85 and unleaded fuels?
  5. sstoner911

    sstoner911 Epic Member 5+ Years 1000 Posts

    Yes, you just can't put e85 in a non flex vehicle.
  6. Joel.B

    Joel.B New Member

    Thanks for the help. You guys are great.
  7. mthomas

    mthomas Rockstar

    better check around to see who sells e85

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