I would just buy a new heater core after you check the old one of course. They arent that bad and you don't want whatever you break loose going into your oil cooler.
Well probably not then. Come out next year and you probably will though. This site is where to be as far as powerstrokes go. You made the right choice.
I'm embarrassed to live in the same state. It all seemed weird to me that he had no idea what was going on with his truck and SPE was posting Everything. Now that is a keyboard mechanic!
Cool, the process is reasonably simple for the back axle. I did it in an evening with 2 floor jacks without having done it before. The front end will be a little more difficult but not too bad. Start soaking your bolts now. Let me know if you have any more questions, I've done 3 of these now.