Ditto on all the welcomes!
And yes, lots of answers to be had in our forums -- a lot of corporate knowledge resides herein, so feel free to tap into it. All we ask in return is that someday, you share what you've learned.
One more thing .... You may not have to replace your steering box. It may just need adjusting. The gang can walk you through that. Go introduce yourself in the 60-66 forum. LOTS of experience in there.