What are your experiences of using Tesco 99 octane fuel ?

Does Tesco 99 produce noticably more power/torque when compared with 95 octane fuel ?

Does Tesco 99 produce greater fuel economy on a like for like driving basis compared with 95 octane ?

Have you noticed any difference in the colour of your vehicles engine oil when using Tesco 99 ? (i.e. does it stay cleaner for longer or not)

Does Tesco 99 help maintain engine performance over a period of time (1 year+) ?

How Tesco 99 compare with Shell V-power 99 ? (overall performance wise)

Edited by MikeTorque on 21/05/2010 at 19:25