TESTERS NEEDED

I will like to have people test the following cars out to make them even for an endurance race I plan on hosting:

2009 Audi R8 LMS
2010 BMW Z4 GT3
2008 Dodge Viper Competition Coupe
2009 Lotus Evora Type 124 Endurance Race Car
2010 Maserati GranTurismo MC GT4
2011 McLaren MP4-12C GT3
2011 Mercedes-Benz SLS AMG GT3
2005 Porsche 911 GT3 Cup
2008 Porsche 911 GT3 Cup
2011 Porsche 911 GT3 Cup

Lap times in stock vehicles using all assists:

2011 McLaren MP4-12C GT3 - 1:36.896
2011 Porsche 911 GT3 Cup - 1:37.761
2009 Audi R8 LMS - 1:37.859
2008 Porsche 911 GT3 Cup - 1:38.180
2011 Mercedes-Benz SLS AMG GT3 - 1:38.390
2010 BMW Z4 GT3 - 1:38.713
2008 Dodge Viper Competition Coupe - 1:39.348
2009 Lotus Evora Type 124 Endurance Race Car - 1:40.397
2005 Porsche 911 GT3 Cup - 1:40.881
2010 Maserati GranTurismo MC GT4 - 1:40.976