13-11-2019, 11:32 PM
Thanks Alan, no, just a very light grease on both sides. I thought the valves might be fouling the head, but I can’t see why that would happen. As far as I know the head is standard (unplaned) thickness. I’ll maybe have to remove it and check just that. Nothing else has changed - so maybe that’s it... I’ll report back in due course.
True satisfaction is the delayed fulfilment of ancient wish