302 head progress and questions

Cool I got my gaskets and a paint pen so I’ll work on that.

Assuming the valves are fine, would I be wrong to not have a valve job done when they’re checked over?

Look forward to part 3. Will it have the exhaust ports? I don’t want to get into water lol.

A valve job is far more important than the grinding you are doing. I’m not trying to discourage your porting, but not doing a quality valve job is the worst decision you can make. All porting starts with the valve job.