Ross it seems that 4.5 Burban reappeared at a very recent RV show...found some better pics.
http://www.dieselsuburbans.com/2010SubDiesel4.jpg
http://www.dieselsuburbans.com/2010SubDiesel3.jpg
Whats it look like in your opinion?? Doesnt really look Bosch IMO. :)
ben