Second-place finish helps Liddell, Davis gain GS point lead.
John Edwards takes his first series pole position.
But the points battle remains too close to call.
Lewis, Ellsworth top ST field.
Remo Ruscitti dominates in a car he piloted for the first time during a pre-event test earlier in the week.
Isman and Ruscitti top ST class in the Autometrics Porsche Cayman.