Dagenham 6D diesel

[bandmiller2]

Anyone here,especially our british brothers,ever timed the simms injection pump to the Dag 6D [510E-6050E   FL].The engine is on my sawmill and running but has a skip at just above 3/4 throttle,I've been told it is probibly pump timing.What I am planning to do is keep increasing the timing a couple of degrees at a time and note any improvements,if not put it back to the mark.The injection pump has a solid spacer from the block to the pump about 6" long.I have learned over the years that timing marks are not always spot on in an old engine with some wear on the gears.Just need to know how its adjusted. Thanks Frank C.

[magnicon]

You will need to 'spill'time this to no1 cylinder,timing marks are on the flywheel visible by removing the small plate on the bell housing.I think its 20 deg btdc but not sure.