Are you saying to box in the opening where the OE arm protruded? Maybe gusset to the frame also? Actually never considered it, but today would be the day to do it before the paint dries on the lowers.
Thanks, Kerry

You may already be planning this, but since you're using an OE Pinto/Mustang II crossmember you may want to box that section around the lower control arm mounting. Eliminating the strut rod puts all the torsional stress on that crossmember rather than transferring a majority to the "frame" section.[/QUOTE]