Quote:
Originally Posted by jgray1978
Lower versus higher octane fuel is subjective. Does anyone have any definitive measurements? We only have 87, 89, and 91 here in Oklahoma but when I go back up north to Michigan the gas stations have 93 instead of 91.
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Quote:
Originally Posted by jgray1978
Does anyone know the threshold that triggers this low octane tables?
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Sorry I missed your previous post. I do not know what the threshold is but 91 octane is much more widely available than 93 so I would assume that it would be below that. As long as you keep premium fuel in it and you do not notice any sudden sluggishness I wouldn't worry too much about it.