good idea david, after I took the valves and springs apart I checked the play of the valve guides and other messurements. I cleaned the valves and the head it self. there was only a small amount of carbon to clean.
I grinded the valves and seats and they fit fine now. the springs I checked and messured the length and after this it was time to putt everything
together again and get some paint on some parts. then the intake/exhauste manifolds where sand blasted and painted grey and heat resistend black.
and the spring of the heat control thermostat was replaced for a new one.
so now time for a
