Quote Originally Posted by drujinin View Post
As far as the Clevis ends, a modern 1.5 inch with a hardened pin and a bushing in the Arm hole would probably be just as strong as the original 2 inch pin of questionable hardness?
I took that as meaning 2" between the inside faces not the pin diameter. If it is the pin diameter then a hardened bush and a smaller pin will most likely work fine. Keep in mind though that pins and bushes are hardened for wear resistance not strength.