Hi Steve,
Note your comments on increased tyre pressure.......26/28...really is too high for this car; regardless of tyres. The below extract is from the VX220 forum for track pressures on R888, but the guide on weights is good :-
The pressures you use will initially depend on the weight of the car, too little pressure on a heavy car can lead to over deflection of the tyre and subsequent failure.
Below are some basic settings:
VEHICLE WEIGHT COLD PRESSURE HOT PRESSURE
Very Light < 800kg 17 - 22 psi 22 - 29 psi
Light 800kg - 1000kg 20 - 26 psi 24 - 32 psi
Heavy 1000kg - 1400kg 23 - 27 psi 28 - 40 psi
Very Heavy > 1400kg 27 - 35 psi 37 - 40 psi
...for the exi we are definately in the top category
Rich
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