Sorry about the lack of info. When I went out to Queensland raceway I had
just fitted some brand new 195/55/15's. They did the job great. My brakes
are 240K rotors with toyota 4 spots and skyline disk rear end. They were
fantastic. Not even a little bit of fade after lotsa laps. I lowered the
car to 100mm off the ground at the crossmembers. Bump steer is a problem
but what I didn't like was how unbalanced the car felt. Especially on
turning in to a corner. It just wanted to wiggle all over the place. I am
making it sound worse than it was. On the day, I still managed to waste an
XR6 with a lot of suspension work and a VK HSV Commodore who had a lot more
straight line speed. Thanks everyone for your help.
Regards,
Andy Nielsen.
>From: "Terry & Heather" <[EMAIL PROTECTED]>
>Reply-To: [EMAIL PROTECTED]
>To: <[EMAIL PROTECTED]>
>Subject: RE: More handling problems!
>Date: Wed, 14 Jun 2000 22:30:36 +1000
>
>Andy,
>Could you please supply a bit more info to assist in a better quality
>response.
>
>What size wheels/tyres and if possible what backspace and what brakes are
>you running.
>
>You say you are 100 mm off the ground, is that at the front x-member. If
>that's where you measured, then you are lowered close to 80 mm (3") and
>even
>though it is a '69 possibly with the preferred x-member it is still right
>up
>there in bump steer territory as you suggested.
>
>There are better more well known measurements to determine if bump steer is
>likely to be an issue. To find out for sure, measure the distance from
>centre hub to the lower guard lip at both front & rear and post distance.
>If
>the front measurement is under 320 mm then bump steer is usually an issue
>and even visibly apparent. Look under the front of the car and observe if
>the lower control arms and the x-member appear to be close to a straight
>line parallel with the ground.
>
>What type of behaviour did you experience to disappoint you. eg oversteer,
>understeer, pitch & body roll, lack of traction or drive out of corners,
>brake balance and entry poor entry speed into corners.
>
>regards,
>
>Terry
>
>
>-----Original Message-----
>From: [EMAIL PROTECTED]
>[mailto:[EMAIL PROTECTED]]On Behalf Of Andy Nielsen
>Sent: Thursday, 15 June 2000 4:51 AM
>To: [EMAIL PROTECTED]
>Subject: More handling problems!
>
>
>I have a 1969 510. After doing many laps of Queensland Raceway the other
>day, I was a little disappointed with the handling of my car. Basically I
>have 240K struts, lowered king springs all round and koni adjustables front
>and back. Even with the koni's turned right up it felt a little unstable
>on
>corners. I have an open diff, no rear swaybar and a standard front
>swaybar.
> I was running about 1 degree camber on the back due to lowering and
>about
>1.5 degrees camber on the front. The car has been lowered to 100mm off the
>ground. Do I need spacers on the bottom of my struts? Does anyone have a
>set laying around? Do I need a front swaybar? Do I need a rear swaybar?
>Thanks in advance.
>
>Andy.
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>
>
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