upper control arm clevis

The upper control arms will utilize a clevis on the differential end.  I will use 4130 1.25 X.120 tube which will terminate with tube adapter and rod end at the car side.

I started with the clevis that I made from 2.5 x .125 square tube.

Score and cut

I used the score and bend method I described a while back here:

Clamp it shut and tack it:

The inside width of the clevis was a little too small so I cut the sides free from the top and spread them open with a little rig I made from some trash:

Now spread wide

I then bolted it onto the differential (with a washer this time!) to straighten the ears out and set the width:

I tacked the ears in place then removed and welded up solid.  My friend Bill gave me a couple tig welding tips the other day which helped me.  These welds are looking better: