I had to see what I could do immediately. I had to crawl over a pile of lumber to take the pictures. Next week when space opens up in the barn, it'll go up on jack stands with the wheels off. Those boxed trailing arms have to go, too. So I'll have lots of elbow room and a concrete floor to work on.
The rear mounting holes are in plane with the holes in the frame end. The wider-spaced front mounting hole will fall about half-way between the forward transaxle mount and the top shock absorber mounts. Compare to a truss bar:
For now, I prepping to go to the Salt Flats this weekend.