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Optimax Fuel Quality

Guest two.06l

By Guest two.06l,
in Engines & Forced Induction

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Sydneykid Grand Master

Sydneykid

Posted
Posted
As far as I know, its a fact that BP Ultimate (who use the best Western Shelf Crude Oil) refine their fuel to 98 octane, where optimax is like putting a bottle of octane booster in your tank.

I have it on good authority.

I don't use the crap.

BASS OUT

So Bass, what do you get when you buy Ultimate in Sydney, where there is no BP refinery? What about Melbourne, where there is also no BP refinery? Ask your "good authority" where Western Shelf Crude is actually refined?

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Sydneykid Grand Master

Sydneykid

Posted
Posted
Shell doesnt even sell Optimax in perth as a 98 octane fuel, We only get Ultimate and Vortex (which For our engines doesnt have high enough ron).

I would guess that is because it isn't worthwhile for Shell to ship Optimax accross the desert. They would have to charge more than BP, with their local refinery.

predator Grand Master

predator

Posted
Posted
Vortex (which For our engines doesnt have high enough ron).

bs my car runs quite happily on Vortex and notice barely any difference between it and the 98RON stuff. Maybe if I was taking it on the track or drag strip, but for the road its fine.

HoeTrain Community Regular

HoeTrain

Posted
Posted
I run Optimax without problem.

TonyGTst has told me he's had no issue with using Vortex.

I have a fuel card for my job "free fuel, go me!!!" and the only premium I can buy is Vortex. I didn't have any problems with running it. Maybe people with more delicately tunned cars would notice a difference cause mine was pretty stock. I tried Optimax once and would never do it again. :)

BOOSTD Mentor

BOOSTD

Posted
Posted

I went through a complete fuel test using BP98, Vortex, Opimax, Mobil synergy98 in one day while trying to keep constant temps.

knock levels were as follows Higher being worse and 75+ being an audible ping.

BP98 :27

Mobil synergy :37

Optimax :69

Vortex :80

BP98 +30% toluene :30 (plus 7 degrees advance) =)

Tests were done in SA. I have run both BP98 and Optimax in Sydney and found BP98 to be better, however as Sydneykid and others have stated the shell refinery uses old technology and batches differ. I would never use any other fuel in SA accept BP98 as I always got exactely the same knock level. Here in Sydney my levels are always different...again backing the fact BP uses optimax. I have given up and now have a cheap supplier for toluene. I am yet to find a fuel here I can tune to and trust.

Sydneykid Grand Master

Sydneykid

Posted
Posted
Damn. Good thing I don't put Vortex in a Skyline anymore. What’s the deal with Av-Gas. I have absolutely no idea what would happen if you put it in a car. Does anyone know??

AvGas has lots of lead in it, so filling up the cat and coating the lambda sensor.

BOOSTD Mentor

BOOSTD

Posted
Posted

I used Wynns pro strengh for ages until my plugs were coated to the max with brown red sot. Have heard reports that they clog injectors..... Have used Nulon as of late and the plugs seem to be cleaner. Nothing close to toluene tho. I have been using tolunene at the same cost for a bottle of booster for a while now. (Hint: It's used in printers and costs a fraction of the price $2.20 at litre) =) nice

HoeTrain Community Regular

HoeTrain

Posted
Posted
I used Wynns pro strengh for ages until my plugs were coated to the max with brown red sot. Have heard reports that they clog injectors..... Have used Nulon as of late and the plugs seem to be cleaner. Nothing close to toluene tho. I have been using tolunene at the same cost for a bottle of booster for a while now. (Hint: It's used in printers and costs a fraction of the price $2.20 at litre) =) nice

Now that is interesting. I also noticed when I changed my plugs they had the brown red soot on them It must have been from the Wynns as you said cause I tried it for a while and didn't really notice any difference.

By the way what colour is Toluene? Blue Cyan or Magenta? Hehehe. :)

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