how much dif. between 87&93 octane tune?
#21
RE: how much dif. between 87&93 octane tune?
So I'm gonna switch to 91 for my next tank (f*ck you AZ for not having 93), but realistically the drop from ~392 rwhp to ~387 rwhp will probably be offset by the weight of 16 gallons of gas. It's not really fair to try to compare an empty tank to a full tank, but oh well.
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