Make sure you truck doesn't still have its original oil cooler lines.
Keep track of your oil/fluid changes in a notebook and keep them regular.
Keep your eye on the temp gauge.
Keep your ears alert for any new noises as you use it.
Inspect every now and then underneath looking for new leaks and corrosion. Tackle as you see it.
Squeeze you r coolant hoses feeling for any soft spots.
Keep your tires inflated.
Basic stuff. Enjoy it!!,!!,!
"Yeah, make sure its a flatbed...."