I did a leak down prior to head gasket replacement which identified the water issues and oil entering cyl. 1. Good point to repeat this now. I did check to make sure the valves all sealed correctly and heald a seal with the head removed and all looked good. I may have to invest in a compression tester but was hoping to borrow one from a parts place but it seems they mostly cater to gas engines. Off to check the timing after Mother's Day lunch.