My "own" design brake disc adapters came from laser cutting. They are made from S690 series fine grain structural steel. With minimum yield strength of 690 N/mm2
Decided to change the "base" engine. Orginally I thought that I would make it from that polski 126 but I changed my mind. I will use the orginal -73 engine block so I had to dismantle another engine
This way the engine will look "orginal" by the block numbers and identification codes.
So here we go again.. Engine ready to dismantle:
Something done already.
Pistons
In the end of the day: