Here is how I attach the reference rods for stringing the fishing line.
Each piece of conduit has a bushing with a lock screw and a small shoulder bolt to position the fishing line. The bolt spacing has to be the same from front ot rear. Use the wheel centers to center the rods to.




OK, compressing the jpegs worked.
Remember to disconnect the sway bar! Which reminds me that i forgot to disconnect the front one.
The blue jack under the front shows the pivot ball under the support tube.

Here is the homemade camber gage