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I ran mine on BP Ultimate, they said guaranteed to be 98 octane at least.... I ran it on Optimax once in a while when I'm running low n no BP seen around, but the next chance I got, I'm back on BP's juice. Only used Mobil Synergy once but didn't notice difference. But car felt difference between BP & Optimax, BP gives me more midrange power.

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Since I'm an n/a I get to use regular unleaded, but I only put in mobil, shell or caltex (shell n caltex use the same fuel anyways). Mostly mobil coz there's one across the road from me, plus I have this thing about using Mobil fuel with Pennzoil oils.

I've noticed I get much more k's out of a full tank of these 3 brands compared to any other. I don't touch independant, 7-11, or Woolworth fuel coz they found out that most of em were diluted in an independant investigation. If in desperation I only put enough of it in to get me to a Mobil or Shell station :D

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i only use optimax... shellsville from where i drive so its more convenient... ive used mobil synergy 8000 i think it is once and didnt notice anything better from it and i used ultimate on sunday for the first time as i was near Dr_Drifts and that was the only thing around and that seemed to go fine.

like everyone has pretty much said... stick to high octane from brand servos and steer clear of the pov stuff.

*remembers mate having to drain fuel tank after filling up at an ampol or amtex or whatever the *** it was as it had lots of water in it and stuffed his engine*

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