Got myself a new torch Managed to get home while it was light today and cracked on and got the pump off. No problem with the bearing. Managed to do it with the timing belt still in place and the rad too .
After opening a thread in s13 tech about my pump I worked out that the old thermostat was overpressuring the pump due to not having a jiggle pin and caused the gasket to blow, hence the waterfall. On this next pic you can see the orange water stain on the gasket (to the right of photo) where its let go
I know these last few posts have been mundane but I hope it can help someone else with simialr problems like mine. Hopefully once this is sorted we can move on to more interesting posts, thanks for reading.