Several have been done. I have a few customers who have converted their longbed regular cab duallys to a shortbed and 2 of them are bodydropped. Here is a photo from Cal Jam spring show 2005 with a shortbed regular cab dually with my 19" Thunder wheels on it. Hope that helps ya - Brent
http://www.socalcustoms.com/Shows/2005/SpringCalJam/pages/DSC02975.htm
www.brentzwheels.com
www.duallywheels.com