When the rocker arm cover is opened and after the chunks are blown away
One push rod looks to have seen some stress
Things don't look too good under the head
A close-up of the #4 sleeve - might need to hone it and get a set of rings?
Might need to grind the valves and get a set of plugs too maybe
If this "Ran when parked" probably not too well with a blown head gasket
The spark plugs had extensions on them.
I found out they are to keep the plugs from fouling on engines that burn a lot of oil.
With the valves removed the fouling is clear
After a bit of cleaning the deep pitting can be seen
Fellow enthusiast Gary Agrimson has put up with me several late nights in his shop,
he has so many fun machines and tools. Here we see some of them or the results anyway.
The surface grinder trues up flatness
The special thread in the spark plug holes are cleaned with a tap
Valve seats needed to be installed since the pitting was so deep
Northern Cylinder Heads in Andover did a nice job installing the seats
The stone is dressed and the seats are touched up with a period grinder
Old school for sure, but lapping is a good way to see the seal is good
Here we see the contact area after lapping
With a light coating of assembly lube it is assembled
It was so much fun we did three of them