Many basic & common Z Car questions / how-to's have been posted in the General Tech section of ZDriver: https://www.zdriver.com/forums/general-tech-write-ups-how-tos-271/

Such topics include basic Z info, where to buy parts, repairs, modifications, & common concerns. Please use the General Tech area in your research, and feel free to ask questions here (specific Z forums) if you don't find what you are looking for. Thanks!