81 gs550T wont start after valve adjustment... very confused

[Guest]

Has it run at all since the valve adjustment? It could be the cams are out of time.

nope, it hasn't. how could I identify bad cam timing? When I was hand turning the engine for the valve adjust it didn't turn smooth at all points, had a lot of drag and resistance sometimes. not sure if this relates?

[1948man]

nope, it hasn't. how could I identify bad cam timing? When I was hand turning the engine for the valve adjust it didn't turn smooth at all points, had a lot of drag and resistance sometimes. not sure if this relates?

You should start a new fresh thread about the drag encountered when advancing the engine. That's not a good sign. Put the new thread in the 4 Cylinder Engine Section. If the chain somehow jumped and the cams got out of time, it could cause piston to valve contact or other problems as well as ill-timed compression. Maybe carbon buildup could also cause problems with the valves closing.

[Guest]

thanks for the tip, I've started a new thread.