Mario Andretti visits the Marshall Pruett Podcast to celebrate the 40th anniversary of his 1978 Formula 1 world championship earned with the pioneering Lotus 79 chassis.

From early tests in South Africa that led to the ground effects concepts, to the development highlights and missteps with the Lotus 78, 79, and 80 F1 challengers, to the sorrow-filled memories of winning the title on the day his friend and teammate Ronnie Peterson died, Andretti brings his customary charm and insights to one of America's great achievements in motor racing.

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