▁drawing ▁a ▁large ▁crowd ▁in ▁a ▁race ▁won ▁by ▁Johnny ▁Mant z . ▁ ▁At ▁the ▁end ▁of ▁the ▁ 1 9 4 0 s ▁the ▁National ▁Road ster ▁Championships ▁were ▁held ▁at ▁the ▁speed way , ▁which ▁would ▁help ▁greatly ▁influence ▁the ▁future ▁of ▁racing ▁in ▁the ▁next ▁de cade . ▁ ▁Notable ▁D ri vers : ▁Tommy ▁H inners h itz , ▁Ted ▁Horn , ▁Jo ie ▁Ch it wood , ▁Jimmy ▁Ch ann ▁ ▁Notable ▁R aces : ▁ ▁A AA ▁East ▁National ▁Championship , ▁Ind y ▁S we ep st akes , ▁National ▁Road ster ▁Championship ▁▁ 1 9 5 0 s ▁ ▁The ▁ 1 9 5 0 s ▁saw ▁a ▁slight ▁shift ▁in ▁racing ▁from ▁open ▁wheel ▁to ▁" f ender ed " ▁cars . ▁ ▁Big ▁cars ▁were ▁still ▁a ▁very ▁popular ▁att raction ▁on ▁select ▁Sunday ▁af tern o ons , ▁but ▁J al opy ▁Sto cks ▁became ▁the ▁week ly ▁division ▁on ▁Frid ays . ▁ ▁Stock ▁C ars ▁also ▁made ▁numerous ▁appearances ▁including ▁the ▁NAS C AR ▁Grand ▁National ▁division ▁in ▁ 1 9 5 4 . ▁ ▁On ▁the ▁open ▁wheel ▁side , ▁san ction ing ▁changed ▁from ▁A AA ▁to ▁the ▁newly ▁formed ▁United ▁States ▁Auto ▁Club ▁( US AC ) ▁in ▁ 1 9 5 6 . ▁ ▁Champ ▁C ars ▁ran ▁at ▁the ▁speed way ▁year ly ▁until ▁ 1 9 5 9 ▁for ▁the ▁Indian apolis ▁S we ep st akes ▁race . ▁ ▁A MA ▁Motor cy