Armstrong & Gilchrist take class wins in Ruapuna GT New Zealand opener

Rick Armstrong took a hard-fought win in the Open Class of the Summerset GT New Zealand Championship at Ruapuna on Saturday, while Brock Gilchrist, in a McLaren 570S, was again at the top of the GT4 field. The Open Class Podium was rounded out with the Porsches of Paul Southam in second, and local Steve …