Quote:
Originally Posted by Jordanwolf
Tbh I don't really notice a difference in performance, if there even is one, between 94 Petro, 93 Esso and 91 Shell.. Perhaps you can elaborate on why you prefer more? Genuinely interested to know.
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If you think there would or should be a difference in performance, on the same tune (likely the stock tune) you really don’t know how any of this works.
I prefer the added knock protection and only run 94.