1975 280Z engine dies when warmed up takes a few minutes to get it started but hten runs fine all day this happens everyday why?

The issue you're experiencing with your 1975 280Z could be due to a number of factors, commonly related to fuel delivery or ignition problems. When the engine warms up, it may be vapor locking or the fuel pump may be overheating, causing a temporary loss of pressure. Additionally, a faulty temperature sensor or ignition coil could be affecting performance as the engine heats up. It's advisable to check these components and the fuel system for any blockages or failures.