Biondo y Caggiano took the flag before qualifying in La Plata

From the Roberto Mouras circuit in La Plata, the two leading names of the Procar 4000 kept their place. Nicolás Biondo was 91 thousandths ahead of Gastón Rossi in the top category, while Ronnie Caggiano, sharing the car with Carli Bava, dominated Class B.

A razor-thin margin in Class A

Biondo, driving the Dodge prepared by Guarnaccia Motorsport, posted a best lap of 1m37s411 and headed both Saturday sessions. Rossi, the champion, also in a Dodge, was right behind. Leonardo Nowak, in a Chevrolet, completed the podium and was 95 thousandths off the leader's time.

• Nicolás Biondo, Dodge: 1m37s411
• Gastón Rossi, Dodge: second, 91 thousandths behind
• Leonardo Nowak, Chevrolet: third, 95 thousandths behind
• Oscar Sánchez, Ford: fourth
• Alan Guevara, Dodge: fifth
• Emanuel Pérez Bravo, Chevrolet: sixth
• Germán Pietranera, Chevrolet: seventh
• Juan Farabello, Chevrolet: eighth
• Ramiro Dailoff, Dodge: ninth
• Fabrizio Maggini, Chevrolet: tenth

In Class B, Caggiano's best time of 1m41s692, with the Dodge of José C. Paz Racing, was the fastest of the day. Joaquín Pasquale, in a Chevrolet, was 235 thousandths behind. Germán Pietranera, in a Ford alongside Roque Caggiano, completed the top three.

Let's be honest: at this level, a few tenths can change everything on Sunday. The classification was scheduled for 14:07 on Saturday, with the decisive sessions still ahead. Now it's the time of the next rival, the track and the hour.