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4ws (4 wheel steering.)

But it's a little different.

I think that below 60 or 80KM/h the, when you turn the steering wheel to the left, the rear wheels go in the opposite direction.

Above that speed (say like on a motor way) the rear wheels turn in the same direction as the fronts.

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The rears don't turn as much as the front.

It is a very tiny amount..

It is almost impossible to see but when you drive and turn a corner or change lanes on the road, you sort of feel like it floats .... very unsettling when you first drive a car with HICAS.

The old Honda Preludes had 4WS but the rears on those turned heaps..

HICAS (on the R32 skyline is the only one that I can say cause that's what I have) is different.. it is not as noticible.

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HICAS only comes into affect above 80KM/h. It helps the car turn in better into corners. It only turns 1 degree in which ever direction the front wheels are turning. So it's not visable like the Prelude or MX6 4WS. Also there is no mechanical link between the front steering shaft and the rear, unlike the Prelude or MX6. It's pretty much software controlled.

However for maximum handling, and for those who know what their doing, removing the HICAS is better as it gives a more consistant handling.

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HICAS stands for High Capacity Actively controlled Suspension.

It's designed to make high speed (above 180km/h:) ) handling better, it only turns the wheels a maximum of 1 degree and only works above 80km/h.

It works on the idea of rally driving, it actually gives the rear wheels a twitch of counter steer before turning the same way as the front wheels.

On my Zed it's hydraulically controlled, later ones went electric.

I've removed mine and have noticed no difference whatsoever in the handling

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ok i dont really think it's worth all that effort to take it off if you can't really notice it..

I have noticed lately that sometimes when i chuck the car into a corner n try to get it to slide it will jsut start spinning the inside wheel rather then flick out like it used to..

Anywone have/had this problem???

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