Etch-primer?

[sixty9santa]

I'm going to do a complete body off frame resto/mod which includes sand blasting off all of the old rust and paint and repair as needed with new steel. Thinking about redoing my floor pan with stainless, but who knows.
I'd want to you use an etch-primer and epoxy sealer (PPG's CRE-CT industrial epoxy), then 5 coats of black paint and 2 coats of clear.
What do you all recommend as an etch-primer?

[doneaton]

I used an etching primer on a Land Rover series 2. I'm sure I got it from NAPA..It worked well @ the old Rover was aluminium..Good Luck ...Don