Heres a "different" test IDI vs. 460 0-60 motorhomes! Both are same size, 26ft.

My jaw droped on the table when I first saw that 460 camper do it's run!

Heres my IDI camper
YouTube - SCREAMIN' 0-100 6.9L IDI Diesel Motorhome

And heres the 460! Very freakin impressive!
YouTube - Ford E-350 0-60 and Bounce