I completely forgot to take any photos of the valves after I had cleaned them as I was in such a rush to get the car back together before it started raining.
I always thought one of the injectors may have been a little dodgy as the car used to throw out more black smoke than a tuned PD, and it turns out that the spray pattern on one of the injectors was way off. They were cleaned and serviced and are all flowing perfectly now. Happy days. If anyone is thinking about getting there injectors serviced I highly recommend My Injector, super quick turn around and does a very good job!
The car feels much better to drive and feels more responsive and seems to spool a little quicker, I'm not sure if it's just in my head or if it has actually made a difference but either way it was worth doing!