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Originally Posted by Sirbelch
I'm gonna have to some what disagree with you on that one. To stiff and the car won't roll enough to transfer enough weight to the outside tires in a corner to create enough grip. To soft and there will be to much weight transfer causing the car to over whelm the outside tires causing oversteer or understeer. Race cars are very stiff. Their suspensions have just enough body roll to load the outside tires properly. A stiffer suspension forces you to carry more corner speed in order to create enought g forces to create enough body roll to load up the outside tires. Thats how you go faster with a stiffer suspension. But, like i said earlier there is a too stiff but going soft is not going to make a car handle better.
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THere is a balance but generally you want to run as soft of a spring you can, this also depends on your alignment def. I haven't been detailed with my answers latlely I will start again. SUch as above not saying (Throttle incduced) I am speaking more in general terms overall kinda
I will be more specific from now on
From the suspension sticky
"Let me start with the higher the suspension frequency grip decreases. SO WHAT? Well this frequencey is a measure of how many cyles per minute or in a second, the car would go through and bounce up and down on springs alone. This matters greatly to you because the stiffer the suspenion is the less contact pactch will be touching the ground over rough surfaces, and if the tires in the air your not gaining traction or grip. The more grip your tires can make, the more force your putting into the car so you will need to up the resistance to body roll to keep it at an acceptable level. Race tires need a much stiffer suspension than a street tire. Cause their grip is that much higher and will cause the body to roll, losing camber and reducing grip.
In simpler terms...you want to run the softest springs you can get away with that reduces body roll to an Livable level, and has an approperate roll couple balance to give you the oversteer/understeer charateristics you want with the most grip your car can achieve."