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    UK owners, what fuel do you use?

    My sales rep told me during the test drive that the 997 takes normal unleaded, and doesnt need super unleaded as the engine senses what petrol is put in and alters itself accordingly?

    is this pish?

    the porsche price list says that both the 997 and the S use superunleaded.

    Re: UK owners, what fuel do you use?

    I've been using Shell Optimax just because the manual suggests using at least 97 ron and Optimax is 98. It's expensive though .

    Re: UK owners, what fuel do you use?

    Quote:
    Nilesh said:
    My sales rep told me during the test drive that the 997 takes normal unleaded, and doesnt need super unleaded as the engine senses what petrol is put in and alters itself accordingly?

    is this pish?

    the porsche price list says that both the 997 and the S use superunleaded.



    The delaer is right. However, when you factor in the improved fuel consumtion with the higher octane fuel it is probably not more expensive. Try both and see what your mpg works out for your driving style and then do the sums. Either way its painful!

    Re: UK owners, what fuel do you use?

    I always try to use Optimax if I can. Have tried that new BP Ultimate, but the engine just seems more "eager" when running on Optimax. I tried running ordinary 95 RON in my previous car (Boxster S), but didn't like the way it felt.

    It's all subjective though, and to some extent psychological! If you put cheap fuel in, you expect it to feel worse, and then surprise, surprise - it does.

    Don't believe everything your rep tells you (especially at PCEL).

    Re: UK owners, what fuel do you use?

    Is it harmful if I use 95 RON?

    Re: UK owners, what fuel do you use?

    I use optimax

    Re: UK owners, what fuel do you use?

    Optimax

    Re: UK owners, what fuel do you use?

    I can't always find Optimax but always use whatever high octane fuel I can find. I don't really notice a difference between Optimax and the BP Ultimate or just regular Super Unleaded from other brands. I have always run my Porsches on Super Unleaded even to the extent that I nearly ran out of gas on a run down the M40 from Birmingham as 3 service stations had no Super!!!

    Re: UK owners, what fuel do you use?

    Optimax/Super is 97 RON (I'm guessing). Here in NY the best you can get is 93 RON. My 997S even has a sticker behind the filler cap saying only to use 93 RON. Not sure if there are any differences between EU and US cars.

    Re: UK owners, what fuel do you use?

    Quote:
    EnglishManInNY said:
    Optimax/Super is 97 RON (I'm guessing). Here in NY the best you can get is 93 RON. My 997S even has a sticker behind the filler cap saying only to use 93 RON. Not sure if there are any differences between EU and US cars.



    Not 93 RON. It is 93 (RON+MON)/2. MON is about 10 octane points below RON so 93 (R+M)/2 is about the same as 98 RON.

    I always use the highest octane I can find which is usually 93 (R+M)/2 where I am in the USA and 98 RON in Europe. But I have travelled a lot in areas where these octanes are not available and the Porsche runs fine on lower octanes (within reason). Power is reduced but not noticably so. But why spend all of this money on a performance car and then try to save a few pennies by putting cheap fuel in when you don't have to?

    Stephen

    Re: UK owners, what fuel do you use?

    interesting, i think i will start using Optimax and see where i go from there, the difference between the fuels with a 64 litre fuel is less than Pounds5

     
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