SHELL optimax VS BP ultimate FUEL ! For DOHC VTEC

[LiL FiLo]

when i was at bathurst last year for the 1000 they were doing comparison test between optimax and ultimate on an xr8.

the kw was about 5kw in the testing condition so in that respect i would probably go ultimate over optimax.

my person pref tho would be mobil synergy 8000, used to have a worked v8 and the only fuel that would ping was the mobil. id also recommend vortex premium, good fuel price wise and 4c off a litre with woolworths docket!
hehe

but if you guys want a good fuel for racing i think u can still get the 108 oct stuff from the fuel station near bankstown airport

[loco_corolla]

I couldn't be bothered reading the whole thread so if this was said then sorry. In my knowledge BP are consitant with their fuels in that when they say the fuel is 98ron than it is 98ron as opposed to shell which are inconsistent. There have been reports where the advertised shell v power racing which is supposed to have 100ron and actually have mixed results ranging from 95-102ron. These reports were made due to the necessity of high powered cars needing to run on high octane fuel, and when one of the cars exhibited detonation they traced it back to the fuel, thus conducting tests on different fuels. The article is somewhere on the net if you can find it. So definantly BP ultimate, i've personally never really liked shell anyways, my second choice is caltex.

Another source of information was the BP are the only fuel company which has a true 98 octane percentage in their fuels and that the others all require additives to reach their 98 octane which could explain for the variance in fuel octane ratings found in other fuels.

[aaronng]

Another source of information was the BP are the only fuel company which has a true 98 octane percentage in their fuels and that the others all require additives to reach their 98 octane which could explain for the variance in fuel octane ratings found in other fuels.

Not really true. Petrol consists not only of 1 component. It's a cocktail of many different chemicals, some to clean your engine, others to increase octane. And I can bet you that BP also adds aromatics and benzene to increase the octane rating to 98.

[loco_corolla]

Not really true. Petrol consists not only of 1 component. It's a cocktail of many different chemicals, some to clean your engine, others to increase octane. And I can bet you that BP also adds aromatics and benzene to increase the octane rating to 98.

I was running of information i sourced from the net, although what ur saying may be true, it may also be true that yeah sure bp have additives but that the 98octane fuel is mixed independently whereas the other fuels may take 95octane fuel and then add more stuff to make up to 98. A personal opinion i'm making about what information i've gathered.

[aaronng]

I was running of information i sourced from the net, although what ur saying may be true, it may also be true that yeah sure bp have additives but that the 98octane fuel is mixed independently whereas the other fuels may take 95octane fuel and then add more stuff to make up to 98. A personal opinion i'm making about what information i've gathered.

You should find out what base stock does BP use to make that 98 octane.

[loco_corolla]

Are you referring to shell??? How all fuels come from shell.

[aaronng]

Are you referring to shell??? How all fuels come from shell.

All 91 and 95 octane petrols come from the same source. The 98s are made to the brand's specifications and have very slight differences.

[Riviera]

get ur sheety optimax then go down to supercheap and buy the NOS range octane booster lol

[Rasputin]

Just an article related to inconsistencies with BP ultimate fuel
http://news.ninemsn.com.au/article.aspx?id=276389

[Alpine]

Well well well. So much for the mighty "always consistent" BP Ultimate!!

[didz]

Well well well. So much for the mighty "always consistent" BP Ultimate!!

Read the details and understand them first. The article is about 91 and 95 octane petrol being sold as the 98. Basically it was covered on TodayTonight last night and all of the service stations which have been found to do this are owned by the one guy who has Allegedly deliberately switched the fuel over for profiteering purposes.

Based on this information i still believe there is nothing wrong with BP Ultimate and that i still go by my original statement which is based on the research done by a friend of mine which concluded, BP Ultimate and Mobile SYnergy 8000 were the cleanest fuels and rated as the best for the engine they were testing it on (an engine from a Formula Holden race car). Their test showed that V-Power was the lowest in the ratings.

[Alpine]

Where did Caltex Vortex 98 come in that ranking?