Hi, i recently bought an r34 gt skyline. When i was driving it on the weekend and hitting it hard around corners, the steering started to play up. as i would try to turn left after turning right abit, power steering didn't seem to assist anymore, then it would kick back in after turning harder to the left. it happened a few times, any suggestions??................... and there also feels like abit of a lag delay around 4000-5500rpm. so the car pulls nicely till 4k then sort of backs off and kicks back in at around 5500rpm, is this normal for a non turbo??