Not surprised it requires high pressure so early in its life .
a lot of patience and air and oil will work wonders ( i hope )
I have considered getting one but I do not want the finished version
I wanted just the castings and do the machining and assembling myself .
Those exhaust ports certainly dealing with
Cheers
Dennis
Unfortunately, we can only send ready-made engine parts for assembly.
We do not have plans on the basis of which you could machine components on your own.
steamandwoodcrafts@gmail.com
Maciek - PSE