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http://en.wikipedia.org/wiki/Elva_(car_manufacturer)#Elva_Courier
Mark Donohue had his first racing successes in an Elva Courier winning the SCCA F Prod Championship in 1960 and the SCCA E Prod Championship in 1961. The Mk 1 used a 1500 cc MGA or Riley 1.5 litre engine in a ladder chassis with Elva designed independent front suspension. The engine was set well back in the chassis to help weight distribution, which produced good handling but encroached on the cockpit making the car a little cramped. The chassis carried lightweight 2-seater open glassfibre bodywork. It was produced as a complete car for the US and European market and available in kit form for the UK market. After about 50 cars were made it was upgraded to the Mk II which was the same car but fitted with a proprietary curved glass windscreen, replacing the original flat-glass split type, and the larger 1600 cc MGA engine. Approximately 400 of the Mk I and II were made.