Here’s some pics of my ‘99 c3500HD I converted to 4x4 using the correct Dana 70 front. Bought it 6 years ago, was a Montana forestry brush truck, 38,000 miles on it at the time. 6.5, nv4500, bw4470. The 6.5 has actually treated me very well considering the dislike so many have, it gets 16 mpg...