Singlespeed & Fixed Gear - Headset Adapter

Ok, so I just finished painting my Miyata 710 80's conversion this weekend and I'm trying to get the rest of the parts I need together to finish my project. I'm currently stuck on the headset. I removed all of the races from the fork and frame to paint it, so I'm really starting at square one when it comes to headsets.

I'd like to make it a threadless if at all possible (just more variety) but I'm confused about what I need. If I buy one of those threadless conversion quills, will I still need to buy a threaded headset and then just be able to use threadless stem, etc? Or if I buy a threadless headset can I just attach it and away I go. From my searches it seems like the main problem is that the fork on the Miyata will be too short for threadless. I'm fairly confused at this point.

One last thing - if I just go with the 1" threaded headset and quill stem, can I buy any 1" headset I can find or do I need the special JIS type b/c it's a Miyata?

Thanks for now.

you need a threaded headset (unless you get a new fork). you can use a conversion quill if you want to run a threadless stem.

any english-threaded 1" headset should work fine, just make sure you get the crown race and cups pressed in straight.

appreciate it. what you said is what I thought, but it's nice to hear someone else say it.

two different 1" standards:

English standard 30.2/26.4mm

Japanese standard or JIS 30.0/27.0mm

this is what I was getting at. how do I know which one I need?

you need a threaded headset (unless you get a new fork). you can use a conversion quill if you want to run a threadless stem.

any english-threaded 1" headset should work fine, just make sure you get the crown race and cups pressed in straight.

read.