I didn't forget about your measurements - I got held up working on the RX8 and moving cars around the last few weekends.
As mentioned before... our RX3 has a completely modified strut mount, so I'm not sure if measurements will help:
That's what our setup looks like. If you're interested in this type of modification, I can get you any measurement from it you need. It basically involves just cutting out the OEM tops and welding in a new thick plate and then drill where you need the holes....