Originally Posted by T_Lee

Yeah it's Tim

I have a 15 and my old 14. Did some good back to back tests at the NSW titles and the 15 ran about .2 .3 faster. The old car always had terminal understeer and I always ended up with crazy setups to get enough steering that it made the car incredibly loose and hard to drive off the corner. The 15 has much better rear stability once you push more steering out of it.