Dude, you really should be aiming at a Sub-7 minute 'ring time. And extend it to tuner cars, that's the real challenge. I've done many hotlaps in
stock cars around the 'ring, and with the driving aids turned off, and in under 8 minutes. Here are my times:
AC Cars 427 S/C 66 - 738.442
Amuse S2000 GT1 04 - 702.536
Aston Martin DB7 Vantage Coupe 00 749.764
Aston Martin V8 Vantage '99 - 745.253
Aston Martin Vanquish 04 - 733.917
Audi Nuvolari Quattro 03 7'36.313
Audi RS4 01 - 756.779
BMW M3 04 7'49.276
BMW M3 GTR 03 739.102
Buick Special '62 - 735.526
Cadillac Cien 02 709.262
Callaway C12 '03 - 741.362
Chevrolet Camaro SS 00 - 758.601
Chevrolet Corvette Grand Sport 96 751.129
Chevrolet Corvette Z06 00 742.965
Chevrolet Silverado SS Concept 02 7'56.656
Chrysler 300C 05 - 759.679
Cizeta V16T 94 731.561
Dodge Viper GTS 99 - 739.245
Ford GT 02 719.404
FPV F6 Typhoon 04 758.169
Honda Dualnote 01 744.630
Honda NSX 97 757.825
Honda NSX Type R 92 743.886
Honda NSX Type S Zero 99 753.845
Honda NSX-R Concept 01 748.819
HPA Motorsport Bi Turbo Stage II R32 04 733.872
Jaguar S-Type R 02 750.542
Jaguar XKR 99 749.715
Lotus Carlton 90 759.034
Lotus Elise Sport 190 98 758.463
Lotus Esprit V8 GT 98 754.263
Mazda RX-7 R Bathurst R 01 752.469
Mazda RX-7 RS 96 - 759.877
Mazda RX-7 RS 98 752.499
Mazda RX-8 Concept (Type I) 01 7'59.869
Mazda RX-8 Concept (Type II) 01 756.231
Mercedes Benz CLK55 AMG 00 758.436
Mercedes Benz SL65 AMG 04 7'27.431
Mercedes Benz SLR McLaren 03 7'08.500
Mines Lancer Evolution VI 00 - 740.598
Mines Skyline GT-R N1 V-Spec 00 - 709.081
Mitsubishi HSR-II Concept '89 - 748.570
Mitsubishi Lancer Evolution VI GSR Tommi Makkinen Edition 00 - 757.624
Mitsubishi Lancer Evolution VII GSR 01 7'58.633
Mitsubishi Lancer Evolution VII RS 01 758.754
Mitsubishi Lancer Evolution VIII GSR 03 755.715
Nike One 22 726.004
Nismo 400R 96 7'52.866
Nismo GT-R LM Road car 95 7'58.879
Nissan GT-R Concept 01 719.868
Nissan Skyline GT-R 95 758.095
Nissan Skyline GT-R 96 - 759.159
Nissan Skyline GT-R V-Spec LM Limited '96 - 759.941
Nissan Skyline GT-R V-Spec 99 753.762
Nissan Skyline GT-R V-Spec II N1 00 755.863
Nissan Skyline GT-R V-Spec N1 99 - 751.938
Opera 350Z 04 736.489
Opera S2000 04 740.395
Pagani Zonda C12 '00 - 730.194
Proto Motors Spirra '04 - 742.977
RUF CTR Yellow Bird 87 732.894
Saleen S7 '02 - 710.982
Shelby Cobra 427 67 749.127
Spyker C8 Laviolette '02 - 731.347
Subaru Impreza WRX STi 00 758.488
Subaru Impreza WRX STi Prodrive 01 7'58.398
Toyota Motor Triathlon 04 743.157
Toyota Supra RZ 97 7'47.782
TVR Cerbera Speed Six 97 741.121
TVR Griffith 94 - 739.990
Volkswagen Nardo Concept 01 - 704.226
More 'ring times
here