If you haven't seen this build of a Suburban with a 5.9 Cummins you are missing out (if you are into diesels and crazy trucks that is). They built this truck to be bulletproof and the go-to vehicle in case of apocalypse.
http://www.dieselpowermag.com/tech/c...uburban_v2500/
Understanding
diesel basics with this article and also there are TONS of informational videos on Youtube.
Making your diesel truck worth more. Ten things you can do to make your truck better. I've done a few of these but the ones that cost more are still on my list.