F1's are useless under 3mm. Pirelli vs. Goodyear (high-end tyres) Goodyear... hands-down.
But why the F1's? Plenty of other choices out there. Don't go for the same as everyone else because they've become almost house-hold name on this forum. Read some
reviews and consider Bridgestone, Falken, Toyo and Yokohama etc.
F1's are good tyres.. don't get me wrong and I know plenty of people that swear by them.. but I use my car for fun and work.. I can't justify buying F1's which in my eyes, will always be track-day tyres.