Before I had a service I got 17 seconds 0-60 with a full fuel tank, me and a dry road. Did it after a service a full tank, my mate in the passenger seat and a piss poor wet road. 13 seconds. Bet that will come down to 12 easily, maybe even 11 without my mate, a dry track...sorry road and a virtually empty tank. Also my car has been on diet recently, no back seats and removed the spare wheel and frame. It feels so much livlier but sticks up in the air a bit. Need to get it lowered a bit.
Oh and funny enough, all my audio equipment, wheel, frame, seats and seatbelts etc weighed in at nearly 9 stone!!!!!!!!!!!!!!!!! thats virtually a persons weight. So its bound to make a difference especially in an RT. They are fine with 1 person, but as soon as you add someone else they are crap.
Paul