just reinforcing that the 79-04 mustang suspension was total crap. i dont understand why ford just wont put a SLA with a coilover shock up front like every other high performance car. struts are a comprimise, and being a RWD car shouldnt be present.
Short-Long Arm. you have an upper control arm that is shorter than a lower in the front. Griggs Racing sells a kit to convert SN95s to a SLA front.
alignment is easier because you can use cam-bolts on the upper or lowed arms to adjust camber and caster. lower is nice because it is easier to adjust, but upper is generally more accurate.