C AR ▁points ▁system ▁was ▁over h au led , ▁and ▁became ▁much ▁more ▁unf org iving ▁to ▁drivers ▁missing ▁individual ▁races . ▁Very ▁few ▁NAS C AR ▁regular s ▁would ▁choose ▁to ▁skip ▁Charlotte , ▁which ▁was ▁emer ging ▁as ▁one ▁of ▁the ▁crown ▁j ew els ▁on ▁the ▁W inst on ▁Cup ▁calendar . ▁ ▁Starting ▁in ▁ 1 9 8 5 , ▁the ▁World ▁ 6 0 0 ▁secured ▁the ▁spons or ship ▁of ▁The ▁C oca - Col a ▁Company , ▁and ▁hence for th ▁became ▁known ▁as ▁the ▁C oca - Col a ▁ 6 0 0 . ▁▁ 1 9 6 3 ▁NAS C AR ▁regular ▁Junior ▁Johnson ▁entered ▁at ▁Ind y , ▁but ▁did ▁not ▁qual ify . ▁Curt is ▁Turner ▁passed ▁a ▁ro ok ie ▁test , ▁but ▁later ▁crash ed ▁in ▁practice . ▁▁ 1 9 6 5 ▁The ▁World ▁ 6 0 0 ▁is ▁held ▁on ▁Sunday ▁May ▁ 2 3 , ▁and ▁the ▁Ind y ▁ 5 0 0 ▁is ▁held ▁on ▁Monday ▁May ▁ 3 1 . ▁The ▁NAS C AR ▁Wood ▁Brothers ▁pit ▁crew ▁were ▁invited ▁to ▁Ind y ▁to ▁service ▁the ▁Lot us - F ord ▁entries ▁of ▁Jim ▁Clark ▁and ▁Bobby ▁Joh ns . ▁Bobby ▁Joh ns ▁was ▁a ▁NAS C AR ▁semi - regular , ▁and ▁he ▁ski pped ▁Charlotte ▁to ▁concent rate ▁on ▁Ind y . ▁▁ 1 9 6 6 ▁NAS C AR ▁driver ▁C ale ▁Y ar borough ▁ski ps ▁Charlotte ▁and ▁races ▁at