i just bought a 2000 bluebird stubnose school bus.short wheel base has a 5.9 cummins and an allison trans.gave $2000 has 160k miles but had new crate motor at 120k .also had new tires about 6 months before it was taken out of service.and i'm 5'10 and can stand up in it with at least 4 to 5 inches of headroom.only problem is the wheelwells do take up alot of floorspace