Malibu,
I have been building my 2000 K3500 4x4 dually, quad cab, auto tranny, 200,000K to pull around 26K. I purchased the truck 2 months ago at a cheasy type lot. I am pulling a 2006 haulmark 30' gooseneck 3 axle that loaded is grossing around 23K over the continental divide in MT. The...