Hi all! This morning I broke one cylinder head to four pieces just to see how deep I can go with my next port job

. You could well call this Y-block puzzle...


Exhaust runner with intake heat riser.
Intake runner
Exhaust with couple drillings to see the thicknes of the walls.

Intake runners.



And this head was C1TE.
Seppo from Järvenpää, Finland
www.hollowheads.net (just click the hole in the head to proceed)