T1 World Challenge/Grand AM Spec Cars
#25687 from DAVID MEAD · Rule change · TB 19-01 (2019-01 Fastrack)
In T1, Acura NSX Turbo World Challenge, make changes to weight, restrictor and notes as
follows:3000 310045mm 44mm
“Must conform to World-Challenge VTS Dated 8.19.2009 Version Number: 3 Version Date:
6.15.2000 and World-Challenge Appendix A 2010 that limits tire and wheel size: Max Tire
Size: 245/40 F, 295/30 R. Wheels Max Size: 17x9 Front, 18x11 Rear. No other touring
modifications or allowances permitted beyond the VTS and Appendix A allowances and notes
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in this spec line notes.”