Here's a list of tech articles I've written to date. They are car specific but carry over to the trucks as well in many ways.
Tech Articles
Suspension 101 - Camber, Caster, Toe, and Alignment Settings
Suspension 102 - Choosing the Ideal Spring Rates
How Shocks Work - Twin Tube or Monotube - Rebound & Compression
The Truth about Sway Bars
Braking 101 - Rotors, Pads, and Fluid
Tech Articles
Suspension 101 - Camber, Caster, Toe, and Alignment Settings
Suspension 102 - Choosing the Ideal Spring Rates
How Shocks Work - Twin Tube or Monotube - Rebound & Compression
The Truth about Sway Bars
Braking 101 - Rotors, Pads, and Fluid