Which year or years 360 is best

Thanks guys. That's all great info.
I'm up in the Detroit area, a northern suburb of Detroit.

One follow on question, is there a difference with the truck 5.9s?

There's plenty of truck 5.9s up here in the U Pull It yards that I can get my hands on. But I don't want to jump on one and not be able to use it.

Thanks again.