More than anything no matter the pressure you settle according to any given track condition, you want both fires to look identical, it tells you equal force is applied to the tires.
Rearend rotation has it lifting the driver front higher with more force being applied to the left rear. You want the tread and sidewall to wear even..
You can accomplish this with a bigger diameter sway or double adjustable dampers front and rear. BMR used to sell a huge bolt in factory location sway bar and may still..
I see the rear shocks are factory location as well, Viking or vari shock QA! probably sell a factory bolt in D/A for a Chevelle. If you do D/A dampers let us know I'll suggest how to adjust them so the rear bumper is level to the track surface, as it leaves the starting line - wears the tread and sidewall evenly..
