Cadillac is on top at General Motors' home IMSA round after Earl Bamber took pole for the Chevrolet Detroit Sports Car Classic.<br>The 35-year-old New Zealander drove Whelen Cadillac’s #31 V-Series.R to a quick lap of 1m05.313s around the 1.645-mile, nine-turn street circuit. This is Bamber’s third career pole, first in GTP.<br>“The car has been amazing,” Bamber said. “We had a great ...<a class='more' href='https://www.autosport.com/imsa/news/imsa-detroit-cadillac-and-corvette-sweep-front-rows/10825370/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=uk'>Keep reading</a>