I have noticed in this years rules there is no distinciton between cars with 2 valves per cylinder and cars with more then that, last year 2valve cars like the corvette have been alowed to use larger restrictors then the ones perscriber by the ACO table. and it was writen into the 2010 rulebook. now in this years rules there is no mention of that distincion between 2 valve or more, that leads me to conclude that they will be forced to use smaler restrictors then last year, a drop from 28.6 to 27.9 witch is substantial,. does anyone know anything about this
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