National Staff Greg G. Posted December 11, 2012 National Staff Posted December 11, 2012 Technical Bulletin (12-10-12): Exceptions to Section 7.4.2 and 7.4.4 (Tires) of the 2013 Super Touring Rules: 1) The size 245 BFG R1 and R1S tires will be assessed a Modification Factor of +0.4 for tire size (and not the listed +0. when calculating the “Adjusted Weight/Power Ratio”. 2) The size 275 BFG R1 and R1S tires will not be assessed a Modification Factor for tire size (i.e. not the listed +0.4) when calculating the “Adjusted Weight/Power Ratio”. Quote
Red Tornado Posted December 28, 2012 Posted December 28, 2012 Why were they specifically called out versus say Hoosier? Quote
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