I will be using factory Miata sized polyurethane bushing on the outside ends. The bush tubes are 1.75" OD x 0.095" Wall. In the jig that you will make, the bush tubes should sit flat on the work surface.
The inside ends will have threaded bungs welded in and 1/2 in rod ends will be used. The center line of the rod ends duplicates the Haynes Roadster book. This end of the arm is spaced 9.5mm (3/8in) off the work surface.
Check out http://www.qscomponents.com/12BungRH.html
TIP: On the leg where the cross tube connects at the outer side of the arm, weld the bush tube last or you will never get the cross tube in. Ask me how I figured that out.
