Low Cars / Modded car thread.

1) Don't do it because you are far more likely to break what is an awesome and perfectly optimised piece of machinery.
2) If you don't care about reason, then you should look at maths, not what the car salesman tells you. I highly doubt you or the car salesman have done the maths looking at oscillations and dampening that the ride quality and handling depend on. From a theoretical point of view and assuming your cars suspension is behaving like a linear system, the only thing you need to match is the spring and dampening constants with the ones that are already on your car. In the strictly linear zone of travel (aka normal usage), if you matched them up there would be very little difference in ride comfort or handling.
I highly doubt the springs you have gotten quotes on or the guys from the tyre shop are going to be taking into such things into account.
I have a question. How is it that some cars have so much softer suspension / ride than others? And im not talking Air suspension fancy stuff

Like what is it that makes one car like an Audi A3 so much softer over bumps than say my friends Nissan?

Which parts?
 
I have a question. How is it that some cars have so much softer suspension / ride than others? And im not talking Air suspension fancy stuff

Like what is it that makes one car like an Audi A3 so much softer over bumps than say my friends Nissan?

Which parts?
The damping rates of the shocks as well as the spring rates. It's a tricky thing to get just right, even for oems.
 
I have a question. How is it that some cars have so much softer suspension / ride than others? And im not talking Air suspension fancy stuff

Like what is it that makes one car like an Audi A3 so much softer over bumps than say my friends Nissan?

Which parts?
Lots of things can affect it.

The factors that come to mind:
Mass of the car (an Audi S3 has more equipment than a Nissan)
Mass of the wheels
The spring constant of the suspension.
The dampening constant of the suspension
The spring constant of the tyres as well.

Then you have to start dealing with mechanical coupling of said suspension, anti-roll bars etc.
 
I have a question. How is it that some cars have so much softer suspension / ride than others? And im not talking Air suspension fancy stuff

Like what is it that makes one car like an Audi A3 so much softer over bumps than say my friends Nissan?

Which parts?

Sophistication. More expensive suspensions too. My car has a very firm ride. Aggressive rates. Very low from factory. However it has bump stops. Shock in a shock so never bottoms out. I'm thinking of getting B16 bikstein coilovers which handles better and is more comfy.

Wheel profile also matter.
 
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