Originally Posted by Sarki

Sounds like a well thought out plan to keep your truck as rust free as possible.
The more areas you can get direct access to the better the job.
With POR-15 as well as most products where you’re applying a coating, the hardest and most time consuming part is the prep work.
By removing the rear diff assembly as well as shocks/springs you’ll gain direct access to areas that are known problems, especially the upper mounting area cups.
It’s a considerable amount of work but in the end you’ll have a better and more thorough job.
Make certain you follow all 3 steps when you’re ready to start applying the product:
1) Degreaser followed by rinsing well with water
2) Metal Prep kept wet for 20 minutes followed by rinsing with water
3) Actual POR-15 paint
After getting through the first 2 steps above I waited a few days before applying the paint as wanted to be certain every area was completely dry.
Have a bunch of small paint brushes or foam applicators on hand and some smaller jars with tight sealing screw tops for the paint. I prefer small brushes over foam applicators as some ares aren’t smooth and foam degrades quickly.
I applied the paint over a few days and stored it in smaller glass jars in the fridge with Saran Wrap under the lids prior to screwing on the top. I then put the jars in ziplock freezer bags in effort to keep any air out.
This worked for me. Keeping opened POR-15 from hardening can be tough.

Originally Posted by toverturf

Yea it's going to be a lot of work but will be worth it in the end. I got a gallon of the degreaser and metal prep so I should have plenty of that for the job. I got the 6 pack of 4oz cans of por15 so that I wouldn't have to worry about storing a bigger can.