IMO, thick front bar will decrease understeer by pushingdown front wheel. Coilover's job is to prevent body roll, so it will fulfill swaybar 's job, adding stiff swaybar will just decrease tyre's contact area and create understeer.

PS: c u at UWA! Andrew

__________________
MY08 STI 422whp at 1.5bar on E85, built by Diversion Garage, assembled and tuned by EvoR

Update from new owner: 375whp at 1.4bar on 98, at Tokyo Motorsport