Can Some Leaded Race Fuel Hurt Cats?

Discussion in '2010 - 2014 Specific Tech' started by bodon, May 5, 2014.


  1. bodon

    bodon Member

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    I want to bracket race my 2014 GT abit. Does anyone know if mixing a 50/50 mix of reg. gas and 112 leaded race fuel would hurt anything if used occasionally. I'd appreciate answers from those who truly have some actual knowledge about this not guesses. I ask as I have 2 drums of race fuel to use. Once off the track I would only use reg. gas again. Thanks in advance!
  2. blown1989saleen

    blown1989saleen Founding Member

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    not sure of the effects on the cats, but leaded fuel will almost instantly kill your costly O2 sensors
  3. Noobz347

    Noobz347 Stangnet Facilities Maint Tech... Er... Janitor Admin Dude

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    You gain nothing from running race fuel in a motor that is not tuned for it. Yes... it will kill cats too. Maybe @Jinx can use it? :shrug:
    Jinx likes this.

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