Not to worry, and thanks for pointing that out. To be honest I had not really looked in to the mounting and plan to just do what makes sense to me and after some reading from the link you gave and a few other sources it seems I am right in my thinking. The most important aspect I could see was not to mount the shoulder straps at an upward angle and Ideal seem to be 0 to around 30 degrees down. Also the lap belts need to be just right and allow a slight pivot, all that was in my plan and makes sense to me, so kind of cool to see I was mostly correct. The question will be are my belts going to be long enough to reach the lower bar??
Not a huge problem to add in another bar little higher up, I did it the way it is so the seats can still recline and the shoulder belt wont slack or get tighter in theory...but have not mounted the seats yet or even made supports to mount them too. I sat the seat in on the floor and it seems the recline option may be out anyway, I think the shoulder area of the seat will hit the b pillar roll bar and not recline past that point. All really depends on where the seats wind up mounting, I have a 36" inseam and long arms to go with my 6'4" frame so seats will be slid all the way back then mounted right where it is comfortable for me and that will be as far back as they will ever go. My wife is only 5'2" so I hope they will slide far enough forward after mounting so she can drive it too but if not, that is just how it is.
Still got to fab up the mounting for the fuel cell so plenty of options left for changing seat belt mounting locations, but again thanks for the link and pointing out stuff, that is why I post my build threads so there can be some secondary review and I always welcome constructive criticism and different opinions. Heck even if someone wants to just bash my work that is ok too, it may spark a different idea in my head. So it's all good.