Ok Tom here is a Break down
Stock= Bone Stock (only K&N are ok) with Radials.
Modified1=all Bolt on, Head & Cam No NOS,Turbo's or Superchargers, Stock Cubic Inch ALL MOTOR.
Modified2= Bolt on, Heads & Cam, NOS, Slicks times no faster than 10.49
Unlimited (run what ya brung)= Bolt on, Heads &...