Top mounts - 99 outback vs 90-94 legacy

[Chef]

Ok, I just went down to the wreckers and pulled the rear struts off a 99 legacy outback. Look great, everything went well, I was proud of myself for such a neat job done. I bought them, and left them at the counter while I put my tools back into my car.

 

On a whim I decided to measure the top bolt pattern on my old mounts. Lo and behold, they do not match the ones on the 99. The old ones have equal sides measuring 3 3/4" between each. The new one as one side 3 3/4, and two that are about 4 1/4".

 

Damn.

 

So does anyone know if the older mounts (say from a 90) can be used on the newer strut assemblies? Or will it not sit flush on the upper spring seat? I returned the struts, but may pick them up again if this is the case.