Cutting fast laps becomes an addiction, and as soon as it grips you, all you're thinking of is 'how can I improve my current PB?' The quickest way to improve your current times, without massive cash outlay, would have to be upgrading tyre choice. Now, tyres can be as competitive or as economical as you want them to be, but not both. So how do you know which tyres will give you an edge and which tyres will last the distance? With mandatory UTQG (tyre index) wear ratings for al