GTP
Alexander Sims was the first driver to duck under the 1m50s barrier with a 1:49.256 on his seventh lap in the Action Express Racing Cadillac V-Series.R and worked down to a 1:48.820. By then his nearest competitor was Nick Tandy in the #6 Porsche Penske Motorsports 963, 0.152s behind, with Louis Deletraz third for Wayne Taylor Racing Andretti another 0.06s down.
Then the Meyer Shank …Keep reading Source
