I took off my valve cover to adjust my valves then started my motor and had to turn it off because I was interupted when I turned it off all my valves closed and the rocker arms were even within 30 seconds is this normal.

 

? The use of a "." helps in building an understandable sentence.

 

What oil are you using?

 

No. It is not normal. Some more engine info. would be useful.

 

valvoline 10/30