Just us a q45 diff, its easier and longer gearing.
350diff has been done but takes cutting and welding of the subframe.
** just found these**
https://www.maverick-motorsports.com...rsion-bushings
https://us.gktech.com/s-r-chassis-to...rsion-bushings
looks like it just got alot easier now to do a z/g diff conversion to s-chassis.