I've removed all my seats, but I'm going to be re-mounting one of them so I can carry a couple of passengers. This is not a normal seat, but is rather the seat that was originally mounted next to the side exit door, so it is bolted entirely to the floor (no chair rail in this spot) via two long feet, and the bench part of the seat folds up. Album:
I'll be re-mounting it front right in the position shown in the album. The folding aspect is good because I can mount the seat further forward than a normal front seat (this will allow it to be in front of my bulkhead wall behind the driver's seat). The seat also has lap belts, but because this seat will not have a padded face-smasher in front of it like a normal front seat, I don't think just the lap belts would be adequate.
I was thinking I could remove the lap belts and attach something like these buggy belts:
... instead. I would bolt the lap belt part of them in the same way as the existing belts, and then the shoulder harnesses would go up and over the back of the seat and underneath the bench and bolt into the same under-bench brackets as the lap belts. Is this a sound way to mount these, or would it be better to bolt the shoulder harnesses to the floor (I'm somewhat unsure of whether they're long enough for this - I need to measure)? Either way, I will attach guides of some sort for the belts on top of the seat back.