Another trip tonight, this time much quicker, to pickup a middle seat. Like the rear seat, the middle seat is from a “bay window” bus, but is very close to correct and I could modify it to be an exact match. Since the bus has the “walk through” option for the front seats the middle seat is only two wide. This allows walking from the front to the rear seat without opening any doors. Non walk-through buses typically had full-width middle seats for a total of 9 seats, but the rear cargo door had to be opened to access the back row. I’m now just waiting on mounting hardware and rear seatbelts, then it will be a 7-seater. Also I may or may not have smelled a slight fuel leak tonight, I’ll have to investigate this before driving it again.