Although if you get those plastic cartons you get Chineese in and stick one underneath you can save most of it

Most people swap the Lucas for a bosch. If you pain £200 for the car and it's in decent condition then fit a bosch. Will cost about £150-£200 in parts. It's a fairly easy job.
You need a bosch pump, bosch lines and injectors, bosch pump braket, new timing belt and some pacients