Petron, Shell, and Caltex now offer 91 octane unleaded because it's what the government mandated as the minimum octane possible after the phasing out of "regular" gas (octane 83, only found in provincial diesels). Petron however took a different strategy by keeping both 93 and 91 octane fuel grades.
V-Power Nitro+ is 95 RON, and not 93 as said in previous posts. V-Power Nitro+ Racing is 97 RON.
I haven't tried Nitro+ Racing, but between V-Power Nitro+ and XCS, I go with the former now.
I don't see the need for Blaze/Nitro+ Racing since it's not like my crummy 4-cylinder econobox can benefit from it.


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