On Thursday, June 22, 2017 at 5:10:51 PM UTC-4, Terry Coombs wrote:

This part
will be ~1.250" ID x 4.5" long with about a .625 wall thickness , the
original had a 3/16" wall .
If you think I'm an idiot for taking this on , keep it to
yourself ...

--

Snag

I don't thnk it will matter how you weld it. .625 is 10/16 so over three times the thickness of the original. What you might do is put in a zerk fitting to grease it.

Dan