I get great mileage outs tyres.I weigh only 68 kgs too.smooth roll on is the key, my theory once you are up to warp speeds no worries.its lower gear torque wave that chews tyres.the key is also suspension settings.even on a track day my tyres don't get very distressed. Road ct it is from now on the rear and power 2ct front.
Don't tempt fate,TAUNT IT!