I got my new engine built it.
It runs OK, but seems to have a bit of misfire. It's a bit hesitant at low revs and then pulls a bit jerkily up to around 3.5K then it's fine.
I thought that was due to dodgy leads, so spent a while trying to sort them out. To no avail.
Another possible reason is that I got the cam timing a bit out.
Would the symptons I describe be related to cam timing. The ignition timing is controlled by the cam timing too I suppose.