Make sure your brakes are upto scratch...
Fitted 6 piston calipers on a car years ago... We went to wakefield and thought we would out break everybody... did three laps and the disk tore it self right off, both fronts..
Had to do a lap just to slow the car down, only had rear brakes.. ended up taking it off the track, very difficult to stop and tow home to sydney $$$...
Brakes are most most important.. We thought we did everything right but they were just faulty set..
At least have newish pads on your car..