This geometry allows for independent articulation of each rear wheel which is ideal when dealing with roads that have excessive pot holes. Additionally it serves as a buzzword for manufacturers.
Mustang Suspension Irs Vs Sra
Live rear axle vs irs. In squat bump behaves like a live axle with no camber change. An svt cobras irs setup left vs a normal mustang gts 88 live axle rear setup right. The ford mustang has flirted with an. I wait to be corrected but the live axle arrangement is a bit lighter than the independent setups but you are restricted by the amount of power you can put through the axle and the live axle is less composed on uneven surfaces than independent setups. Has the same problems as a live axle in regards to the inside tire upsetting the outside. I dont think you can compare the live axle to the irs setup.
The mustang featured an independent rear suspension system in select 1999 2004 svt cobra models and became standard across the board beginning in 2015. If you remember our conversation earlier a sra has zero degrees of camber adjustment while a irs can have a positive or negative degree of adjustment. Unsprung weight is less than live axle more like irs. The independent rear suspension irs was introduced at atime when modern construction had not created the most ideal roads. Comparing an irs to a live axle and how to improve the live axle. Theres a reason drag race cars use live axles and road race cars use irs.
This is a good thing because negative camber will produce better traction while going through a corner than a car with positive or zero degrees of camber. Depending on what you plan on using your mustang for an irs or solid rear axle could benefit your setup. Mustang irs vs solid rear axles.