The guys giving you advice on this thread are not just "some guys on a forum".
They know their stuff. This bunch is the most knowledgeable I have ever seen. You're being given good information. Don't brush it off. That would be a mistake.
I always enjoy the old timers and the stories about the 383 hemi, dual quad, dana 60, 5 speed, factory equipped 64 valiant 4 door! Ran 6.80's of the showroom floor. :)