[Dominik]

Alfy:

"I used the Cobra Restorer prints and got pretty good results..changed the rear frame suspension points"

What did you change?

Marc:
Depending on the control arm length XJ vs 427 (front) you may not have to change too much. But you inquired for the rear?
The rear upright is about 105mm wide where the lower control arm attaches. How wide is the XJ?
I get you the position of the hub center too, but you need to add a bracket for an upper control arm! Nick has a mounting for a Watt's linkage, which is too weak for that pupose but maybe a good start?

Nick:
Didn't you tinker about using the XJ upright in the rear? That may go with Alfy's redesign.

The 427 layout is a bit tricky where the track rod mounts on the chassis, but a very well sorted design for suspension behaviour.

Dom, Cape Town