National Staff Greg G. Posted November 27, 2011 National Staff Posted November 27, 2011 TECHNICAL BULLETIN (11-27-11): Beginning with the 2012 TT, PT, and ST seasons, the Hoosier 255/35-18 (A6 and R6) will be assessed points based on its actual 275mm size. This assessment will be for both modification points in Section I.a of the PT and TTA-TTF Rules, and for modification factors in the calculation of Adjusted Wt/Hp Ratio for TT, PT, and ST. (note: Under the current Rules in TT, PT, and ST, there is no functional change in the calculation of Adjusted Wt/HP Ratio. It will only become an issue if there are changes in the tire Modification Factor rules in the future.)
drivinhardz06 Posted November 27, 2011 Posted November 27, 2011 thanks for getting this out before we order tires on the Dec 15 cut off are there any other tire changes possible for '12 or shall we go by '11 rules with this TB?
National Staff Greg G. Posted November 27, 2011 Author National Staff Posted November 27, 2011 There are no other changes planned for the tire Rules, except for the TB already out on the Goodyear tire.
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