07' WRX fronts complete swap (spring/strut/mount) swapped with zero issue.
92' Legacy FWD wagon rear springs and 94' Legacy KYB ExcelG struts and reused stock mounts.
Stock spring rates
F 123 R 129
Swap spring rates
F 163 R 179
Center hub to fender bottom measurements
Stock blown struts + ~100lbs in the trunk
F 15.25" R 13.75"
07' WRX 92' Wagon swap
F 15.25" R 14.5"
Makes for an excellent ride that's more level, ~35% stiffer, while still being very comfortable and best part I can keep my tools in the trunk.
Some pics of the rears
Left to right
07" WRX awd, 94' Legacy fwd, 92' Wagon fwd.


Just thought I'd share here as well since I gained the most info here, I'll post back with a picture of her done when the sun shows up again.