Thank you everybody, here are some answers:
Yes, it might be valve guide or valve stem seal leaks. Need to check.
Its a 2bbl weber 38/38 on a Clifford single carb intake.
Will post some pictures soon.
It has not hit the road yet. It was rebored with new pistons and rings. Interresting with that ring run in. I haven't heard about that before.
I suppose rockers are correct but can investigate that. But how can wrong rockers lead to too much oil in the top end??
The leak tester adds pressure in the cylinders and messure the leak rate at a certain pressure.
It is new valves, springs, guides, retainers. The head was milled for higher compression. But i need to check the valve stem seals.
Yes, crankcase ventilation is good.
Thank you again for your comments, keep on!
