Supra restoration

This car was last driven from Newcastle and broke down near Donnington services M1 when the car just started over heating and major water leak.  Recovery back to coventry and the car been sitting there since then for over 4 years.  Managed to repair the leak with new water pump and Radiator but no success as the engine is still over heating but no leak.  As this car is quite old, the parts for this is very expensive.  For all you car lovers, I need your support to get the Supra back on the road.  Any contribution to this will be a great help and appreciated.  I would even pay back some of the money if needed to.  It will also need a complete respray as the last job that was done wasn't great and was ripped off for the job.