Unleaded vs Super Unleaded...

Discussion in 'Engine maintenance, upgrades and modifications' started by Wolsty, Nov 24, 2008.

  1. 13 Jan 2009 at 1:36 PM #41
    Wolsty

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    My Mrs used Tescos fuel at the beginning of last year, a month or so afterwards the engine light came on. She took it to the garage and the fella said what fuel do you use, she said Tescos, he strongly recommended NOT to use any supermarket fuel due to its lower quality and stick to the likes of Shell, BP, Esso etc. Granted she's got a Renault Megane and the M's are different, but more expensive to repair...!!
     
  2. 13 Jan 2009 at 10:13 PM #42
    whitem3cab

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    i just filled up with tesco 99 octain , will let everyone know if i notice any differences ..
     
  3. 14 Jan 2009 at 7:42 PM #43
    jaffat200

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    dont know if anyone elses is the same but from cold if i use anything but super my car jerks for about half a mile or so....i always stick to super prefer shell...:) never the supermarket stuff imo.
     
  4. 14 Jan 2009 at 8:42 PM #44
    edi999

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  5. 18 Jan 2009 at 10:45 PM #45
    alpina527

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    And who sponsors their car?:)
     
  6. 20 Feb 2009 at 8:32 AM #46
    limbsy

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    excellent point!!! hahaha!

    I always used tesco's 99, but a couple of weeks ago i filled up with shell's V-power (which i always used before petrol pricing went nuts) as it had come back down in price, and the difference I found was amazing!

    Car pulled stronger through the whole rev range.

    It'd be good to do some real tests with a RR though....:cool:
     
  7. 20 Feb 2009 at 8:46 AM #47
    KeithC

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    But, you can ask the question, did Thorney approach Tesco to sponsor them and work in conjunction with Thorney after their fuel came out top in their tests.

    To be perfectly honest, Thorney wouldn't need to go to the lengths they have on testing the fuel if they just wanted to use Tesco as a sponsor.

    I personally use V Power and always will, as there's a station within a mile of my house, it's as simple as that.
     
  8. 20 Feb 2009 at 9:46 AM #48
    Mark

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    No Tesco garages within a 20 mile radius of my home or work that supply super!!!! What a shower. Instead I have to resort to using Sainsbury's super and have to say I am not getting good mpg :confused: :confused: :confused: but the car runs fine. I ran some tanks on normal stuff and the mpg went up!!! but car did pink a bit and not as responsive as the super.

    Does anyone know if normal stuff would do any long term damage?
     
  9. 20 Feb 2009 at 9:57 AM #49
    KeithC

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    I'm not sure it would do any damage as such, but the additives in the premium fuels will help to keep deposits down plus the ECU is programmed, as far as I'm aware, for the extra RON rating.
     
  10. 20 Feb 2009 at 11:26 AM #50
    Billym3

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    I use tesco 99 or vpower.

    But most suggest tesco99.
     
  11. 20 Feb 2009 at 12:25 PM #51
    css

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    i used v power before my local tesco introduced tesco 99 6 months back. have used tesco 99 since then, no trouble at all, the difference is marginal between v power and tesco 99 but after using 99 then filling up with v power i could tell the difference and will now only use tesco 99. and if use anything else - i only fill up minimum amount until i can get to tesco 99 pump.

    TBH i think the garage guy who said dont fill up with supermarket fuel will have been talking bullcrap - as the same tankers that go to supermarket also goes to other garages.

    And as there isn't actually any evidence to suggest tesco 99 has less quality products than the others I don't think there is any reason to change. Tesco 99 is produced by company greenenergy international ltd who also supply to motorsport industry.

    If you use tesco 99 you need to have several full tanks before the ECU will completely adjust to it to gain full benefits.

    Everyone to their own but i think tesco 99 is awesome and IMHO outperforms the others without there being any evidence that it is not as good quality as the others for the engine etc :thumbsup:
     
  12. 20 Feb 2009 at 12:36 PM #52
    Pablos007

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    I've read somewhere that it's around 5 to 6 tanks of fuel, just trying to find the info.....

    I tend to mainly use V-Power as the Shell garage is only a couple of miles away, but haved used Tesco99 with no noticeable difference. Though I'm starting to compile a list of Shell fuelled motorway service stations to use when I'm on the road!! :eek: My OCD nature showing through here!!! :rolleyes:
     
  13. 20 Feb 2009 at 1:19 PM #53
    Y7 KHN

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    i go to tesco for my shopping

    and i go to shell v power for me petrol
     
  14. 20 Feb 2009 at 3:31 PM #54
    css

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    I didn't notice much difference when 1st changed to tesco 99, but persisted with it. And after several tank fulls didnt think there was much difference. Filled with v power and only then noticed that there obviously was a difference as the power dropped with v power. so stick with tesco 99 now.

    trials by Thorney in controlled environment below
    http://www.whatcar.com/news-article.aspx?NA=226642
     
  15. 20 Feb 2009 at 3:42 PM #55
    *MrB*

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    I get stuck with Super unleaded :( The nearest shell garages are about 10 and 20 miles away and no tesco down here that I know of sell the 99 :mad:
     
  16. 20 Feb 2009 at 4:20 PM #56
    css

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  17. 20 Feb 2009 at 4:28 PM #57
    KeithC

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    Can I just add, that Tesco 99 cannot be classed as supermarket fuel.

    When people say supermarket fuel they are talking about the boggo, cheap unleaded at supermarkets that don't get the additives the premium stuff gets such as V Power, BP Ultimate and Tesco 99.
     
  18. 20 Feb 2009 at 4:30 PM #58
    *MrB*

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    Good point Keith, I always try and avoid regular supermarket fuel and would rather pay a bit more for a branded super unleaded
     
  19. 20 Feb 2009 at 4:51 PM #59
    css

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    it should be re-named 'Tesco Finest Unleaded' after their 'finest food' range

    but yes i completely agree
     
    Last edited: Feb 20, 2009
  20. 21 Feb 2009 at 9:57 PM #60
    gix

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    shell optmax for me all the way
     

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