I made a bunch of side-to-side comparisons/measurements. Everything else seems ok. I spent some time talking to Marcus at
SC&C, and his suggestion was to do a 3/8" spring isolator on top. That should bring it up close enough, considering about a 2:1 ratio in ride height adjustment from that point. At least for $20, it is worth a shot. For this app, it isn't worth the effort for now. He told me he has seen pristine examples be off that much and not to stress over it too much. I'll put them in Wed and let you know the outcome.
When the 67 is done, I'll use this as a reason to go aftermarket subframe shopping...