NASCAR tweaks restart rules before Chicago race

A disputed start between Paul Menard and Carl Edwards was behind the recent rule change.

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"Things are getting too close, and this year we've seen more wheelspin than ever, probably because of some chassis adjustments. It's just got to the point that it was too much (that) we had to make a call and evaluate the restarts too much from the tower. It needs to be back in the hands of the competitor for the most part."