brakes overheating

My car is an evo I GSR (CD9A). New rotors, new brake pad (Carbotech XP10), new brake fluid (ATE Typ200). Tires are Kumho XS 215/40R16. Almost finished. Brake lines are stock rubber. Suspension is a set of Ground Control coilovers with 440FR (8kg/mm), 340RR (6kg/mm) spring rates. I have -1.5...