The caution would fly on the sixth circuit .
With the green lights flashing on , Liggett would get on the loud pedal and open up another sizeable lead as series point leader , Gary Nelson Jr worked into the fourth spot .
The caution would fly on the sixth circuit , and with the green lights flashing on , Liggett would get on the loud pedal and open up another sizeable lead as series point leader , Gary Nelson Jr worked into the fourth spot .