irs questions

[32vApe]

I have an 01' cobra and I'm having trouble finding info everywhere else so i'll try here.
Are all irs spindles the same? I have read that the 03-04 spindles have relocated uca mouting points to increase negitive camber over the 99/01 spindles. I have also read that 03-04 and 00R have a wider track width in the rear than the 99/01.
How far can you lower an 01' cobra without negatively effecting the rear geometry. I know you can add a bump steeer kit to correct that problem.

 

[93SVTCobra]

The only difference I know of is that the 99 Cobra had a different method of holding the bushings in place which lead to a recall so assuming the recall is completed all spindles should be the same. The only reason the track width would be different is because of tire width. The upper control arm is slotted which should give you some amber adjustment.

How far can you lower it? I know you can go at least 1.5 inches from personal experience. Don't know why you'd want to go lower than that.