Quote:
Originally Posted by aututto
I'm curious, I run my car on 93 octane, but there is only 91 by the track I go to. I've been able to fill up with 93 before leaving and make 4 20min sessions on a tank, but might need 91 to get home. Would 93 still be optimal or would it be best to tune the car for 91 and just run 91 all the time? To my knowledge car has ran 93 the entirety of its 90k miles
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You can run the 93 Oct tune if that's what you use most of the time. Just avoid full throttle on way home on 91. No problems.