http://www.doityourselfrv.com/...-land-speed-record/#

...imagine a motorhome flying by you on the highway at 120.838 mph

quote: "this custom GMC motorhome was custom designed to dethrone the “World’s Fastest Motorhome” holder in the Guinness Book of World Records, which currently is held by a Hymer AG Motorhome with a respectable 128.6 mph.

At the last Colorado Mile we had a Vixen powered by a BMW turbo diesel do 111 MPH in a standing mile. Not bad for an oldie,