I bumped the pump away from the engine, ... that's retarding it, yeh??
NOPE!
That was ADVANCING it a trifle, so I would do the same again next time you feel like it. If you had retarded it you can be CERTAIN you would not have been impressed going up that hill, probably in second gear!
Fine tuning diesel timing really can make a tremendous difference.
Only special people can be bothered doing it, or can manage to do it, because it does take patience as you adjust a little bit at a time, time after time. It might take a dozen small touches to get it just perfect.
Will I get the clatter if I ADVANCE it to much?[/modified quote]
YES, and I am quite sure you will recognise this noise immediately even if it is a new noise to you. It is very distinctive.
The "Perfect" setting might involve you hearing a split second of a clatter then strong steady pulling without the Diesel Knocking.
Sounds like you must be getting close!
CharlesY