91 octane (pure gas) or 92 octane (with ethanol)
#1
91 octane (pure gas) or 92 octane (with ethanol)
93 octane gas isn't readily available in these here parts. My premium gas options are typically 91 octane pure gas or 92 octane with ethanol. I'm getting tuned in a few weeks and I'm wondering what I should fill up with to be tuned on. Which will be more reliable/safer, give more power, etc?
Another consideration is what would be better to be tuned on if I would occasionally have to fill up with the other? For example would it be safer to tune on 91 if I might have to fill up with 92 in a pinch, or vice-versa?
Another consideration is what would be better to be tuned on if I would occasionally have to fill up with the other? For example would it be safer to tune on 91 if I might have to fill up with 92 in a pinch, or vice-versa?
#2
I would do 91 since its more common for you. Might see a tiny bit less power from 92. 91 is all we have in california, i hate all the midwest, eastcoast people and there 93 and e85:/
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