I was looking around at door bar pictures and I happened onto Jay Hitchcock's pics, and it looked like his bars had to go into the door to avoid the seat. Went out to the garage and sure enough when I put the seat in I didn't have room for the door bar to hit the shoulder bar. Damn!
So I took a cue from Jay and bent the backside of the door bar where it goes around the shoulder bar. I found that because my main hoop is tucked so far back it was impossible to get the tube attached, so I had to notch the door jamb. Actually I just cut it away, but I'll weld some sheet back in there to make it a true notch. The good news is that I can make this notch deep enough that welding the underside of the tube should be easy. This also required notching the door, no biggee there.
So now for the rest of the X. I think I'm just going to weld in straight pieces of tube to complete the X. Because the bottom of the halo is so tight in the corner there it would take a HUGE notch to get the tube in there if it had the same bend as the top does. Plus I figure my shoulders are a lot wider than my hips, so I'm still getting space where I need it.
On the passenger side it is going to be a simple flat X and I'll just have to avoid seats with shoulder supports on that side.