Road & Track Cover June 1948. "Mauri Rosa and the Blue Crown Spark Plug Special on the bricks at Indianapolis. The car is owned by Lou Moore of Northridge, California, and won the 1947 classic, with its stablemate running second driven by Bill Holland. Engine is an unblown 270 cu. in. Meyer-Drake Offenhauser. Photo credit - Tower Photographers" Magazine credit: Howard Norse & http://storm.oldcarmanualproject.com/