RS Aizawa ITB 1.6 - valve stem seals - improvements while in the head ?
Probably the biggest needs for doing valvetrain stuff is a spring compressor, a clean work surface, abundant lighting, and organizers, cups, or trays to keep components together.
The first time I did a head reassembly was at a kitchen table. It surprised me how smoothly everything fit together.
RS Aizawa ITB 1.6 - valve stem seals - improvements while in the head ?
Have you scoped the bores?
Also are you running a catch can? I have used cans to monitor blowby. Sometimes the PVC system just doesn’t work like it should and can offer paths to diagnosis.
Driving in heavy vacuum can help free the rings after your treatment.