refd Posted February 21, 2020 Report Share Posted February 21, 2020 Recently got one of these tuners from Torrie at unleashed. Question... If I tune for 93oct. ..do I have to run 93oct fuel..? Thanks... S Quote Link to comment Share on other sites More sharing options...
always on edge Posted February 21, 2020 Report Share Posted February 21, 2020 Yes. Absolutely, yes. 1 Quote Link to comment Share on other sites More sharing options...
omar302 Posted February 21, 2020 Report Share Posted February 21, 2020 I am sure you'll get more answers from more knowledgeable members, but I think you're asking if it would be "harmful" if you don't run 93. In that case I think asking Torrie is your best bet as he would know how he tuned it and how it react on a lower octane. In a stock tune, it is programmed to take advantage of higher octane levels and to run fine (with reduced power) on lower octanes without any harm. 1 Quote Link to comment Share on other sites More sharing options...
onyxbfly Posted February 21, 2020 Report Share Posted February 21, 2020 Some tuners can provide tunes that are adjustable on the fly based on the octane level in the gas. More often than not those type of tunes are not fully optimized to provide the best performance. If you are not able to use multiple tunes because you purchased one tune, I'd strongly suggest using the octane that the tune specifies. If you find your self low on gas or in a area that does not have the gas you require, please revert back to your stock tune until you are able to get the gas you are specified for. Quote Link to comment Share on other sites More sharing options...
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