NHRA Dallas Pro Stock Winner Erica Enders is going for her fifth Pro Stock championship. Her 165 point lead seems strong with only two events left in the season. But points in the last event in Pomona count for 150 percent so the title isn’t hers yet. Enders has been racing for 31 of her 39 years and she knows success and failure. She went five years before she got her first Pro Stock victory. She knows it’s not over until it’s over. Listen…