Cheers for the offer Ian, but I can't justify wasting more time with this engine so I've bought a VE. It's coming by boat from Canada, so hope to have it in and running late January. I'm just keeping it simple, stock bottom end with S+R and N1's.
I'm putting this DE back together today with the new HG, it should be ok for the next month or so.
Joe, the head will be for sale minus the Retainers and cam gears, as I can use them with the VE. The non roller set up, springs, valves and cams will be though.