Cost cutting even more. https://nascar.nbcsports.com/2019/1...s-will-reduce-cup-road-crew-members-at-track/ The current extended parts freeze will remain in place through 2020 (teams are not permitted to design any new parts for the current car). Each car number will be permitted to have a maximum of 12 certified chassis at any given time. In addition, each organization will be permitted to have a maximum of 10 unique chassis designs. Teams must compete in a minimum of eight events with a long block sealed engine and at least eight with a short block sealed engine (this year teams had to run three long block sealed engines and 12 short block sealed engines.) Each team will be allowed three roster spots regardless of number of vehicles in the organization. In addition, a maximum of 10 road crew personnel will be allowed on each roster. Organizations will be permitted a total of 150 wind tunnel testing hours per calendar year.