Trackhouse Racing will make an announcement at 5 p.m. ET today about its Cup Series lineup for the 2025 season, with expectations that Shane van Gisbergen will be tapped for a spot. NASCAR will stream the announcement on its website, according to FOX Sports reporter Bob Pockrass. Trackhouse announced Friday that it will part ways with Zane Smith, the driver of the No. 71 car this season. That news came as a mild surprise, though Smith has struggled so far this season in the Cup Series. He is, however, coming off a seventh-place finish in the FireKeepers Casino 400 at Michigan. His best perform…