Darren, Thanks!
The tires are L60-15's on 8 inch Cragars.
what the backspace is BUT....it's close to the rolled-back wheel molding! lolololo
As for the 4 degree wedge in the traction bar, they literally takes all that space between the rubber snubber and where it hits away. On my Camaro you'd be lucky to get a piece of paper between the two points
spring wrapup here
Jeff x2 (maybe 3!)