well... the GTR is no longer the fastest production car on the ring... the ZR-1 has lapped it in 7:26:40
lets see what happens when the V-Spec gets its turn... or if the ZR-1 can pull off any faster times
http://www.autoblog.com/2008/06/27/g...ing-in-7-26-4/
EDIT:
just to put things into perspective:
Fastest 'ring times:
7:27 = Pagani Zonda F Clubsport
7:29 = Nissan GTR
7:32 = Porsche 911 GT-2 (2008)
7:32 = Porsche Carrera GT
7:34 = Koenigsegg CCR
7:40 = Mercedes-Benz SLR McLaren
7:42 = Ford GT
7:42 = Corvette C6 Z06
7:47 = Lamborghini Murcielago LP640 E-gear
7:55 = Ferrari F430 Scuderia F1
i skipped a few in-between and pulled out the big names