Quote:
Originally Posted by EFI Logics
............. Also note that simply filling your tank with race fuel will not do much other than waste your money. In order to properly leverage the benefits of different fuel types you should get calibrated to run the specific fuel mixture............
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If not tuned for it, it still can help will cooling and knock prevention. So there still is a benefit from it and its not just wasting money......just not getting the FULL benefit