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you cant always blame the fuel because your car pinged you have to try and factor in all the invariables

my car occasionally pings but I'm running 12.5-13 psi on a stock ECU

when it pings the weather is normally a bit warmer too

Due to price of this fuel i think i'd be better off with BP too... i've got the bp mastercard as well so it's worth it.

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I've always used the Shell premium / Vpower, no worries. BP's in my area are always up at least 5c more on Ultimate compared to Vpower at Shell across the other side of my suburb!

Edited by MSPEC33
I've always used the Shell premium / Vpower, no worries. BP's in my area are always up at least 5c more on Ultimate compared to Vpower at Shell across the other side of my suburb!

Your prob wasting that 5c per litre saving driving "over to the other side of your suburb"

Ive only ever used Ultimate, thats what my car is tuned on so thats what i run!!!

i have always used BP ultimate and never had a problem with it....i have tried the shell Vpower for a while and the BP ultimate for me last longer then the Vpower and there isnt a huge difference but just because there is a BP near me i use the ultimate.....

the 94 product is just unleaded (91 RON) + ethanol = 94 RON

the 98 product is just premium unleaded (95 RON) + ethanol = 98 RON

if they added ethanol to 98 you get 100 RON or thereabouts

the ethanol adds 2-4 RON

regards

Jason

Your prob wasting that 5c per litre saving driving "over to the other side of your suburb"

Ive only ever used Ultimate, thats what my car is tuned on so thats what i run!!!

Yeah Deluxe, and my car was tuned on cat piss. I better stop going to shell hey.

Are you seriously that uptight about your fuel?

Edited by MSPEC33
Yeah Deluxe, and my car was tuned on cat piss. I better stop going to shell hey.

Are you seriously that uptight about your fuel?

There is a very good reason to be uptight about fuel used.

If the car is tuned for regular 98ron fuel and you go dropping an ethenol blend in it the car will lean out; egt's will raise, the motor will possibly ping/detonate or throw that ceramic turbine wheel.

I have had the odd tank of Mobil 98 that has shown higher levels of det when the car was previously tuned much closer to the det threshold. Dangerman4 actually saw less det with shell vpower.

For a car that is tuned right to the edge it is I think a wise idea to stick to a given brand of petrol.

im always gonna use BP Ultimate

when i first got the car i was using BP, then a couple of months later went to Shell V-Power, i lost 7 kW by using V-power, so i went straight back to BP ultimate, the car wasnt too happy for the first couple of tank fulls, but sorted itself out, and now i wont use anything else but BP. the car is now tuned on it + Justice Brothers Octane Booster

f**k oath im the same, only ever run the one fuel that being ultimate, i will keep driving until i find a bp

i drive from mclaren vale to christies beach to get bp :thumbsup:

bipass the shell in mclaren vale and liberty on victor/south road to get there

Yeah Deluxe, and my car was tuned on cat piss. I better stop going to shell hey.

Are you seriously that uptight about your fuel?

Nah not at all, Have paid upto $1.46 for premium the other week! But what you said is like finding $5 in your bedroom and going "sweet i'm gonna go drive to the servo and put $5 petrol in and drive home" Pointless........

But yeh as Joel says, its what your car is tuned on is whats best for it, But a regularly used servo is also the key, the fresher the fuel the better for it, besides the cops use Mobil, so thats outa the question.... :)

interesting points!

Lucky for me, my motor has never suffered pinging or detonation. I've filled my car up with several types of premium except for liberty's/united's.

I have had my 33 for 6 years though... So call me experimental; i've been lucky to never cop a bad dose of premium juice, whether it be Shell, Caltex, Mobil or BP.

will take these suggestions into consideration! :worship:

MSPEC33,

Within the 6years and 180,000km's of owning mine I've only ever had one noticeably bad batch of fuel; happened to be Mobil 8000.

Pinging was audible; similiar as to how it ran with 95ron so at a guess I suspect they dropped the wrong fuel in to the incorrect tank.

At the time the car was still on the stock ecu and running 1bar.

moderate mods sinista, nothing too mental.

yeah i remember that fuel Cubes, was the purple pump with the 'Synergy' label wasnt it?

before BP ultimate was widely available like today with all the 'on the run' servos, it was actually the Mobil 'synergy' premium that a lot of people reccommended!

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