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Fuel type Questions

Bill

By Bill,
in Engines & Forced Induction

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Bill Collaborator

Bill

Posted
Posted

Im about to have a PFC fitted to my R34 GTT soon.

Naturally, I will have it tuned with the fuel I normally use in it.

Ive always used Shell Optimax, but Ive heard some people claim that BP Ultimate will produce more power?

Is this true?

Is it much if true?

Optimax is 6c per L cheaper than Ultimate locally so it would need to be a fair difference to make it worthwhile to switch to me.

Any comments from personal experience?

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https://www.sau.com.au/forums/topic/54706-fuel-type-questions/
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someonestolecc Grand Master

someonestolecc

Posted
Posted

I prefer ultimate.

I've only ever fed optimax into my renault, ford GT and then a little barina.. since getting my sr20 cefiro I've only used ultimate cos the first tank of optimax i put in left huge black splatters on stuff in the garage parked behind the car and resulted in the whole back half covered in black crap (and i'd just washed it).

*shrug* people say optimax has way more sulpher in it also.

but then again in NSW ultimate is made at shell refineries so i guess the real question is if the process is any different or if its the same.

drewecrome Rising Star

drewecrome

Posted
Posted

In brissy the, BP ultimate and Optimax, are very similar in price, unless of course you have on of those 4 cents off per litre dockets. I find they are both around 9 to 10 cents more expensive than regualr unleaded. By the way do they have moblie synergy 8000 in brisbane, if so where at?

RiverSide Proficient

RiverSide

Posted
Posted

I have been informed that optimax is no longer guaranteed 98ron, untimate still is.........hence i only ever run ultimate in my vehicles.

My tuner told me to only run ultimate, as he has seen increased numbers from one type to the other of up to 12hp.

That coupled with the smaller chance of detonation............ULTIMATE all the way.

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