Originally Posted by Donbona
Really?? How does that work out?
It's just a different norm. 91 oct in the US has the same "knock rating", as our 95 oct, 93 oct equals 98 oct.
The ethanol % contained in the fuel is also higher in the US, which is why our fuel is considered to be "better quality". May be important to know if dealing with engine tuning setups from the US. But I see you already have a s/c by G-Power
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