I am driving a std 6a12tt engine with stainless steel intercooler piping, boost up to 1bar, tulang ikan 6 all open.. Previous w greddy taiwan bov set to very soft but there was sooooo softyy sound..low boost...
during morning or after 4-5hrs of cool down, when i start the car and just turning the steering wheel abit to left n right (car is not moving), the steering start...