I've been down the rabbit hole a bit looking at coolant stuff, and haven't found a clean answer. I am currently building an engine for my 2001 Dodge Ram that of course originally came with IAT green coolant. For the extended service interval, I would prefer to switch it over to the new Mopar OAT purple 10 year coolant. Since the engine is being completely rebuilt, that means all the gaskets and seals will be completely new (mostly aftermarket fel-pro), as well as the water pump and hoses. I put a new Denso radiator in about 2 years ago. Am I good to go in terms of using the newer OAT stuff in this instance? I've read stories about the OAT coolants potentially causing gasket/seal failures in older cars designed for IAT coolant, but it's unclear to me whether that was 2-EHA related or not exactly. I know that compound has been removed from most modern OAT coolant formulas.