right i got my new fox 4 evos on my car with 195/45/15 tyres on (i had 185/60/13 before) the ratio is 0.8% diff in size, before i was able to ge the car to 100mph befor ei ran out of road not it sits at 90 in forth and wont go any more it sits quite hapily at 5000 rpm and ive still got another gear whats going on, my cat is f***ed so im getting more mid torque is this substituted high end torque or what could it be the diff in weight of the new wheels.
im stuck.
help please.
cheers jamie.