Sad to hear that Marvin Panch passed away. He was part of the Pontiac Performance legend, driving a '60 Pontiac to victory at Daytona in 1961. At that time Pontiac was wiping the competition in both drag racing and circle track (when "stock car racing" was exactly that, unlike today).
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I had the privilege of speaking to Marvin at the POCI Convention in Charleston, WV, in 2010 - a real gentleman, humble, friendly, appreciative of the (deserved) attention he was getting after so many decades.