30 Days in May: No. 20, Gordon Johncock, 1975 Sinmast Wildcat/DGS

Welcome to our monthlong countdown celebrating notable drivers and cars from the Indianapolis 500!

Majeske Collection

Gordon Johncock qualified on the front row for the 1975 Indianapolis 500,
but was an early out.

30 Days in May: No. 20, Gordon Johncock, 1975 Sinmast Wildcat/DGS. Starting in 1973 and over the next 10-plus years, Gordon Johncock was synonymous with the number 20 and Patrick Racing. For 1975, he had a new sponsor, a new chassis and a new engine. It all added up to a fast combination, as Johncock was among the leaders every day in practice and held the pole before A.J. Foyt nudged him aside with a run late in the day. Johncock jumped to the lead at the start of the race, but fell out after just 11 laps and finished 31^st. DGS stood for Drake, Goosen and Sparks, the last names of engine pioneers Dale Drake, Leo Goosen and Art Sparks. The name was something of a tribute by George Bignotti, who helped modify an Offy engine to create the DGS.

 

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