great question. obviously Mark should answer, but my guess is it wont hurt. for all safety purposes, i wouldnt romp on it though.
I am currently running a 91 chip (AA) and have tanked a few times with 89 without problems but its not a MarkD 93 tune so it could be a different story. But first uneducated guess is it should be ok.
I will be forced to fill on 91 octane as well at times, but my primary intent is to be at 93 or higher whenever possible.
I am currently running a 91 chip (AA) and have tanked a few times with 89 without problems but its not a MarkD 93 tune so it could be a different story. But first uneducated guess is it should be ok.
I will be forced to fill on 91 octane as well at times, but my primary intent is to be at 93 or higher whenever possible.
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