Yes TS is just going to add a 10.5 index. As far as NHRDA I think leave the 11.90 index then go to a 10.5 index and leave Pro Street the way it is. That way the guys running faster then 10.5 have the option of either slowing down to 10.5 or jumping up and running Pro Street.
And get rid of SS totally? are you still peived about the no hood stack in SS rule?