Sam Posey drives his Caldwell D7 Can-Am car into the pit lane at Road Americ, Elkhart Lake, in 1967. This innovative American car designed by Ray Caldwell featured de Dion suspension front and rear as well as a driver-adjustable overhead aerofoil (later removed).
CA67Elk_Caldwell1a
Sam Posey drives his Caldwell D7 Can-Am car into the pit lane at Road Americ, Elkhart Lake, in 1967. This innovative American car designed by Ray Caldwell featured de Dion suspension front and rear as well as a driver-adjustable overhead aerofoil (later removed).

Filename: CA67Elk_Caldwell1a.jpg
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Date: 10 May 2012
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