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99 Octane petrol

James.Asbri Jul 26, 2010

  1. James.Asbri

    James.Asbri Vorsprung Durch Technik

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    Hi all

    Just a quick question, I've got a 1.8T on order and was wondering if I should be using 99 Octane petrol when it turns up?

    Thanks in advance!

    James
     
  2. akash_sky1

    akash_sky1 Active Member

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    Certainly wont hurt, dont think its a must , unless your chipped of course. Your MPG and performance will be better with it,
     
  3. James.Asbri

    James.Asbri Vorsprung Durch Technik

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    Thanks for that! If it gives me more MPG and better performance then it seems like a must to me!
     
  4. sub39h

    sub39h Active Member

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    experiment and see if it's worth it. on my old 1.6 it was giving me a 10% increase in fuel economy for 6% increase in price, as well as making the car more responsive. in my 2.0T i'm still getting used to the power so not noticed a difference in power but it definitely gives me a noticable improvement in fuel economy. we're talking 20% or so.
     
  5. FranA3

    FranA3 events moderator Regional Rep Gold Supporter Audi A3 Team Brill Red

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    i can second that i always use super in my car and its a 1.6 and its much better on fuel and runs much better / cleaner so yeah its worth doing for the extra cost i use bp ultimate as there is a garage right by my work
     
  6. James.Asbri

    James.Asbri Vorsprung Durch Technik

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    Thats my next question, may sound daft but is BP, Shell petrol better than your cheaper Tesco petrol?
     
  7. FranA3

    FranA3 events moderator Regional Rep Gold Supporter Audi A3 Team Brill Red

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    couldnt tell u soz supermarket petrol is always cheaper but not sure about the quality of it being cheaper
     
  8. sub39h

    sub39h Active Member

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    BP is 97 RON
    V-Power and Momentum from Tesco are both 99 RON.

    there's some debate over whether V-Power is actually better than Momentum. i personally don't feel there's very much in it so the cheaper Momentum is what i go for when i'm near my local Tesco, otherwise i always put V-Power in by my gym.

    again just experiment and see how you get on.
     
  9. FranA3

    FranA3 events moderator Regional Rep Gold Supporter Audi A3 Team Brill Red

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    thats what i would say too, see which one works best in ur car
     
  10. James.Asbri

    James.Asbri Vorsprung Durch Technik

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    Thanks all!
     
  11. bo2007

    bo2007 Yey :)

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    I used v power and didn't rate it in the s3 after using it in every other car I have owned. using tesco momentum nowvseem much better
     
  12. S3RYE

    S3RYE Interior Next!!

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    you should always use the premium fuels... better for you engine.. better fuel economy... and faster... im never sure but i aalways use v-power.. something tells me shell put more effort into fuel than a supermarket that specialise in rottisserie chickens..
     
  13. One Spoke

    One Spoke Member

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    If you believe the press you should avoid supermarket fuels as the reason they are cheaper is that they don't contain all the cleaning additives found in shell etc. No idea if that's factually correct but I've read it on more than one occasion.

    Interestingly I started using shell power in my 2.0T S3 and didn't really notice any improvement in performance or mpg. Might try 95 RON next time to see if I notice a degradation going the other way.
     
  14. Ads

    Ads License to drive

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    I use v-power. I've noticed improved mpg. Not really any performance increases though, I don't think.
     
  15. 330_2_S3

    330_2_S3 Member

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    I used to use normal 95 ron in my BMW 330ci and every now and then used to use v-power.... didn't notice much difference with MPG but car seemed a bit more responsive, if anything the MPG went down.....

    With my S3, I reckon Audi filled it up with half a tank of 95 petrol because when it eventually ran out I filled up with v-power....and I noticed a a much more responsive acceleration and a better improvment in MPG.....(depending on how heavy my foot is :( )

    I do notice when I do short sprints bursts that the petrol does decrease quite rapidly with V-power!
     
  16. Ads

    Ads License to drive

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    I've noticed that with petrol full stop. 95, 97 and 99.

    I'm still in shock how quickly it goes down when driving with a heavy foot.
    Filled up the tank to the brim last week with v-power (£63) and used just under quarter of the tank on 100 miles of quite gentle urban driving. For the next 40-50 miles I tore around some dual carriage ways etc and now i'm just below half a tank left.

    Gentle driving is where I notice the improved mpg. When pushing the car the fuel consumption pretty much seems the same regardless of RON.
     
  17. Star

    Star New Member

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    I'm a recent convert to 98 from 95, having never owned a car new enough before now to worry about what goes in it. If/when I find 99 I'll give it a go.

    I read somewhere, probably on here than when switching between fuels octanes, that it takes a while for the ECU to respond to the new fuel - e.g. a couple of tanks or alternatively resetting the ECU?
     
  18. beanoir

    beanoir Large Member

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    If you want better performance from your fuel but want to save costs i have a tip..

    Only fill the car up to half full with 95 Ron. That way the weight saving gives better performance and the fuel cost is cheaper.. hehe
     
  19. Ads

    Ads License to drive

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    I just reset the ECU (battery disconnect for 20mins or so).
     
  20. sub39h

    sub39h Active Member

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    or you could do what i do and fill your tank half with V-Power :p. you can't really argue with a 20% increase in fuel economy for a 6% increase in price.
     
  21. Harrelson

    Harrelson Member

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    Me and my bro drive the same cars and he doesn't fill up with v-power. I can feel a difference driving his compared to mine.

    6 months on, my exhaust is still not sooty, i run my finger inside and still comes out clean. I think v-power burns better and it has detergents that clean the injectors. His exhaust is a bit sooty and my revs seem to rise a bit faster which might explain the poor mpg people get when flooring them
     
  22. S3RYE

    S3RYE Interior Next!!

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    :scared2:
     
  23. beanoir

    beanoir Large Member

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    My exhaust is black as night and I only use V-power too. Mine is probably down to short journeys though, at least thats what Audi tells me.
     
  24. Pii

    Pii Member

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    My exhaust is disgusting also with V-power. I do short journeys too so maybe there is something to that.

    V-Power for me improves responsivness but not necessarily fuel efficiency. Never tried BP Ultimate or Tescos thingy!
     
  25. defer

    defer Member

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    I only use v-power and my exhaust is sooty, my journey is 200 miles each way on motorways. At legal motorway speeds i get around 5 mpg better with v-power.
     
  26. akash_sky1

    akash_sky1 Active Member

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    Of course fuel consumption is gonna bad with either Octane when your pushing it! Possibly even worse with 99
     
  27. paddy

    paddy Audi=No fault code, no idea

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    Wish i could fill my a3 with 99 ron for £63 !! cost me £10 more than that.
     
  28. Ads

    Ads License to drive

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    What's the fuel tank capacity on the 3.2 then, or do you pay about 10p a litre more than me?

    In fact, would be interested to hear what people are paying for their super unleaded.
    My closest shell sells v-power at 1.21p per litre.
     
  29. Ads

    Ads License to drive

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    Well obviously! I just didn't realise that it was going to be twice as bad, or worse.

    Why?
     
  30. Stev3n

    Stev3n New Member

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    1.21?! Filled mine on Sunday at 128.9 for v-power (Braintree, Essex)
     
  31. Ads

    Ads License to drive

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    The 1.21 I got was in Woodford Shell (Essex/East London).
    It was about 2 weeks ago.
     
  32. akash_sky1

    akash_sky1 Active Member

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    Woah fuel is expensive down south! In glasgow I can get v-power for 116.9 /L - that was last week !!!!! :-D
     
  33. S3RYE

    S3RYE Interior Next!!

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    you from woodford boyo? i live there matey!! used to live in woddford green!
     
  34. Ads

    Ads License to drive

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    I'm from Leytonstone fella, but now live up the road on the snaresbrook borders, aka... UPPER Walthamstow!!! lol
    That shell is my closest, just a 2min blast down the north circ. After filling up i've gotta drive pretty much all the way up to gants hill to flippin' turn around to go home though.

    You always lived around east then?
     
  35. S3RYE

    S3RYE Interior Next!!

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    haha!! i know its well annoying hence the reason i use chigwell... (where i live now) yeh always lived east.. gants hill, barkingside, clayhall, woodford...

    ill keep an eye out for ya.. although prob wouldnt know it was u anyway..
     
  36. Ads

    Ads License to drive

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    Spent quite a lot of time around those parts. Bought my first ever car from woodford, and enjoyed some fine back row moments in the old gants hill cinema!

    Yeah do that mate. I'll be the craig david looking one, in a silver 06 plate A3, nodding my head to tinny sounds coming from a symphony stereo.
     
  37. S3RYE

    S3RYE Interior Next!!

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    oh man, that cinema... i was pretty young when it closed but i remember some funny times there too!!

    haha! ill be doing something like that too... normally windows down.. well all the time atm as my air con is disgustingly smelly...
     
  38. Ads

    Ads License to drive

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    :happy:

    Think they shut it about 7 or 8 years ago. Lovely flats there now though!! :sadlike:
    Ah well, it's only a few steps around the corner and we're at Faces to pick up a few slosh bags instead. :rock:
     
  39. defer

    defer Member

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    V-power is 119.9 around the Preston area
     
  40. FranA3

    FranA3 events moderator Regional Rep Gold Supporter Audi A3 Team Brill Red

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    i pay 124.9 per litre for bp ultimate in cardiff there's a station literly 2 mins drive from work
     

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