looking to convert srw to dual. Can anybody give me an idea of how a dana 70 will hold up, under diesel power? I use this truck for work, meaning I want to put a bigger service bed on it, which was meant for a dual wheel truck. I know the obvious, but I'm a welder so I plan on beefing up the axle housing while I'm waiting for my springs to be re-arched. Looking to get by with this old truck another year or so. It's a 2000 dodge. Any help with this would be appreciated.