QA-1 lowering question

[6carmello8]

Hi guys,

I posted a thread earlier last month about how to further lower my coilovers and never really got a straight answer and had the time to really look into it but I think I figured it out.

I stated that I have 1/2" thread left from the bottom thinking that lowering the spring will lower the car but I have a feeling that raising the spring will compress the spring, thus shortening it, ultimately lowering the car.

Please confirm!

[Bryce]

You have it backwards.

The spring rate is fixed and the weight of the car is fixed.

Since F=kX x is always the same.

F is the weight
k is the spring rate
x is the compressed spring length at that weight.

The only way to lower your car is to get a shorter spring, a softer spring rate or lowering your nut that holds the bottom of the spring.

Good luck.

[6carmello8]

Originally Posted by Bryce

You have it backwards.

The spring rate is fixed and the weight of the car is fixed.

Since F=kX x is always the same.

F is the weight
k is the spring rate
x is the compressed spring length at that weight.

The only way to lower your car is to get a shorter spring, a softer spring rate or lowering your nut that holds the bottom of the spring.

Good luck.

Thanks for this info. Do you know if QA-1 makes a shorter spring than the spring the GM coilover conversion comes with? I'm guessing they do...