Originally Posted by yeahyeah
10.5 and 13.5 is classed as super stock motor. (right?)
How could that be a 10.5 motor is rated faster .
That's true but it is only for this year. ROAR is giving the 10.5 guys a chance to either go to mod or 13.5. In 2009 only 13.5 will be superstock.