Hy Beetroot, welcome, I don't want to be a downer, but one weekend to establish a functioning braking system is VERY ambitious, if you have no idea of the braking systems condition, be prepared for the worst. When you post, please give us as much information as possible so that we may be better able to answer your questions or steer you to a parts source. For instance you never told us which engine you are dealing with. Extreme good luck on your "weekends work" and here's to a safe and uneventful drive home!