sentences:  They were an attempt to win a share of the mass market dominated by Ford Model T. Many of the employees of Gray, were former Ford employees, including the head of Gray Corporation, Frank L. Klingensmith, who was the former vice president and treasurer of Ford Motor Company.The vehicles had similar features of engine and chassis to the Model T. The engine had a side-valve, four-cylinder 2.7 litre configuration.The suspension used a conventional quarter-elliptical spring at the front and rear.