Discussion
Ok all you mini racers. Having just fitted a rear antiroll bar on my car I now find that on tight corners the rear end hops. On fast corners the car handles well. Front damper are set at 35 and rears are set at 15. The front has 5 degrees of caster and 1.5 negative and 0.5 negative at the back. Any suggestions will be welcome.
The handling will change suddenly when the inside wheel comes off the ground. In effect, you've lost all roll rate/damping and halved the bump rate and damping, maybe this is what causes it? Perhaps try stiffening the rear (to increase the bump stiffness in 'three wheel' mode) or stiffen the front to increase rol stiffness?
id say front too stiff. try running front shocks a couple of clicks up on the rear, my car did this badly the other week and we discovered that the rear radius arms where binding in the frame - not enough tolorance in the pins, arms, washers, brackets to allow for toe and camber.
its all part of the fun!
its all part of the fun!
I'm running a bit too much rear tow in and so it goes into 3 wheel mode and then tries to get itself back on 4 again causing a weave effect. I am running quite a lot of -ve camber on the rear as I want it to grip more than it does, it sounds like you are very light at the back and a bit loose. I'd practice throwing it at corners as it took me a while to get used to it.
For the record, I measured my front and rear axle weights, found the ratio and then set the front shocks dead hard and the rear ones that much backed off, I did it with the camber also and it worked fine, I think it's about -2.75 deg at the front and -1.something at the rear, it works fine from that starting point.
Good luck, also, have a look at your tyre pressures. Again, apply the weight bias thing with the best grip you can get at the front which you have to experiment with. Stu
For the record, I measured my front and rear axle weights, found the ratio and then set the front shocks dead hard and the rear ones that much backed off, I did it with the camber also and it worked fine, I think it's about -2.75 deg at the front and -1.something at the rear, it works fine from that starting point.
Good luck, also, have a look at your tyre pressures. Again, apply the weight bias thing with the best grip you can get at the front which you have to experiment with. Stu
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