Is it possible to order a single rear wheel one ton pickup (8' bed, reg cab) with the 8.1 and Allison Tranny. I have tried to "build" one on GM's website but couldnt get the 8.1/Allison combo.

My understanding from my dealer when I bought my dually earlier this month is that the 2005 3500 will be available in a SRW and the DRW. At least the SRW will go through a car wash, eh?