Don’t understand how pitman and idler arm work at spec torque settings?

LovetheA's said
Actually the bolt through swivel point on the new older arm to the left in photo is smaller by .030 thousands as compared to the older idler arm to the right. Therefore I can’t see it not working just as well as the older one? I guess I can put in the new one tighten until I think it is 40 ft lbs hook up steering and see with my 16:1 manual box if I can turn the wheels. Car is up on jack stands. Live and learn!
Carl

View attachment 1715543601

View attachment 1715543602

The new idler may be out of tolerance. The simple answer here, is put the new idler on first the K, and then the pitman, and see if the taper allows it to tighten up enough that the main part of the idler is dragging on the bracket, or on the center link. And it should not be Try with the seals removed.

More and more, we are running into parts that are out of spec