You guys are "special." 
Very special.
Before I post the info on tuning with roll centers ... does anyone want to further discuss:
a. Tuning to balance a car with bigger rear tires
b. Effects of different track widths
c. Tire characteristics on different rim widths
d. The true definition of "Jiffy Pop" wheels
e. High Travel/Low Roll Suspensions
f. Heather Rene, wheels for my car, wheels on my pit carts
g. Any parts of steering geometry: KPI, Caster, Caster Gain, Camber, Camber gain, Ackerman, toe, etc.
h. Scrub radius
i .Why Dave & Jer changed to cat & chicken avatars
j. What happens to the handling when changing tires to or from slicks
k. The difference between being "involved" or "committed"
...