To tell you the truth Has been I have not had the pump off yet to check it. I was thinking of taking it off and having a look but not checked for cracks or the diaphragm. I must admit that I still ling the idea of the electric upgrade and too true Beans, the extra wire would be a good winter project. I have been looking all around but I must admit that this one is catching my eye:
https://www.ebay.co.uk/itm/Classic-Kit-Car-12v-Aeroline-Electronic-Fuel-Pump-Pressure-Regulator-Filter/202685295613?hash=item2f30fc2bfd:g:8CkAAOSwn4ZcQEBe