"Bulletproofing" a Chrysler 2.7, 3.2 or 3.5 liter V6?

Hellrats said
The 3.5 was a very good engine. Nothing in common with the 2.7 at all

I agree- The 3.5 is pretty much trouble free and is easy to work on when you have to. Timing belt and water pump are as easy as it gets.