ive got a td04 running at 1 bar and im having coolin problems every time i got over 110mph on private roads it chucks the coolent out im running a alloy civic racing radiator and ive drilled out the thermostat but still chucks out the coolent had the car sniffer/block tested no signs of head gasket gone or any other signs of problems ! has anyone had this problem if so how did u fix it ?? could i have a crack in my block that only shows signs on high boost or when i flat out ????