Whats your views on the above, i have ran my RS on this for bout 6 months but i am waiting on my MY04 Sti coming an i have heard that u lot swear by optimax ????? heeeeeellllllpppppppp

ps any ideas on the octane levels of both ??

[Edited by sugar04 - 1/20/2004 9:39:53 PM]

 

optimax is 98, bp ultimate 97 IIRC

Most say optimax on here!

 

Use optimax. Do search on Bp ultimate, there was a massive thread on this some weeks ago and some suprising details were posted.

simb

[Edited by simb 2 - 1/20/2004 10:37:50 PM]

 

I've tried it .... never again !!

bob

 

Sugar04

sorry to Hijack a thread but are you a Subaru Dealer Service Manager ??

Apologies for any intrusion to the parties concerned

Midlife.....

 

Tried Ultimate - expensive for what it is, but as there are a shortage of Shell garages around me it seems to be better than Supermarket stuff!

 

Both optimax and ultimate are legally 95 Ron - look at both companies literature - they are not allowed to state that it is 97 or 98 etc etc

With the additives they add may or may not take it up to 96 97 98 etc..

Optimax is the best fuel IMHO

I have tried ultimate in my SAAB turbo (standard) and it sucked so I will not even experiment with it in the scoob !!

I had a conversation with a cossie owner at the weekend who was convinced that Ultimate was 101 RON

 

I have emailed both companies in the past and got a good response from Shell UK Customer services who stated that their's is genuine 98 RON, where as BP just gave me a speal of marketing talk which did't answer my questions of "is it just a rename of super unleaded 97 RON and why is it so bloody expensive?"

I only go near Ultimate if need to put in some fuel to get me to a Shell Station.

T

[Edited by tizard99 - 1/21/2004 2:01:52 PM]

 

Bob- As a mapper do you care to elaborate?

 

Overall, most people do notice their cars are quieter and smoother with Ultimate.

But on highly tuned cars, knock-links do tend to go nuts with it.

 

I had to use Ultimate yesterday. had no choice really, not a single Shell station anywhere where I was and I had another 200 miles to go with the red light flickering!

Ran the car as normal, maxed it a couple of times and I noticed absolutely no difference at all. The surprising thing seems to be that the fuel consumption was better with Ultimate. I have no scientific proof of this, however the tank was less empty for the same mileage on Ultimate as it was on Optimax. And yes, I started off with a full tank of Optimax, then a full tank of Ultimate.

It's watch this space, methinks. If Ultimate works then I for one will use it. I'm sick to death of driving miles to find a Shell station that sells Optimax (yes I have the guide book in my car). Gives more fuelling choices.

WB

 

Wacky - What Optimax guide book and where did you get it ?

[Edited by Scratch - 1/21/2004 7:13:42 PM]

 

How on Earth have you been using it for 6 months?

 

Optimax does it for me and the R.

Everyone reccommends it.

 

Scratch - look on the web for the Shell Customer Services Helpline - they provide a free UK atlas with all Shell filling stations listed.

Beware though; it's about three years old now, and some (especially South Western) petrol stations have been closed since publication...