RICK Kelly and Kelly Racing have vowed to improve on their return to Supercars after a difficult weekend at Sydney Motorsport Park.

Kelly finished 14th in Saturday’s race before a 19th and 17th on Sunday in the two races.

Teammate Andre Heimgartner recorded finishes of 15th, 10th and 15th over the weekend.

“This weekend just didn’t go our way, we were fighting with the handling balance of...