Priming issues series 3 2.25 diesel engine

Hi ,

So i have a series 2, 109, with a series 3 5 bearing , 2.25 diesel engine in.

It seriously died last year, (main bearings went, timing chain slipped, and smashed valves into pistons, injector died, radiator blew up, etc etc, )

so the engine came out and was totally rebuilt, re sleeved, bored, ground, new crank, rods , pistons, etc etc , the lot,

Its now back in the vehicle and i had some initial problems with the electrical grounding , that is now sorted so it turns over, but wont fire. So i re primed the injector, and still nothing.

I have primed the pump, and its fine, there is fuel in the tank, I have lossen the 2 bolts on the injector, and im getting flow out of one but not both. the one on the control box, pushes fuel out no problem, but the one on the main round body just wont leak fuel, and as such the fuel is obviously getting no further.

I have been pumping for age, trying to get it trough, but get nothing but cramp!

Any ideas?

They're notoriously hard to start for the first time once the head has been removed. I always had to resort to the dreaded easy start.