Finally got the cam covers off. Can look fine timing looks fine. So took the cylinder head off.
Once the cylinder head was off I turned the engine over by hand. All sounds good.
have a look at the youtube video here
https://www.youtube.com/shorts/l5NbmFJmUC4
have a look at the valves
so the engine is turning freely, no rattle. so how do I check the valves? what am I looking for