I've got a 24mm rear bar now. When I was running Star Specs (man I loved those tires) and a 22mm rear bar, with full stiff all around, the car was very neutral, leaning towards oversteer. I was running about 2-6 lbs more pressure in the rear, depending on the course.
Tri-State Sports Car Council/Chicago Region SCCA/Milwaukee Region SCCA
Do better every run.
2002 ZX3 (daily)
1990 CRX Si STS (project)
2007 Pontiac Solstice Club Sport ZOK (autox)