Restart the rebuild

Ok, was able to find some X head porting info, thanks to all! :thumbsup:
I measured the throat right below seat with a set of calipers I borrowed from work. 1.7690 is approx what I got. So %wise I'm at 87.57%. I went approx .700" in deeper and throat measurement there was 1.5825", so a good neck down? Venturi effect?
I think im done chamber side except for 80 grit hand scuff for finish. I think it's too smooth as is.
Advice?
Pics of 2 and 4, you can see still some to go on 4.
Thanks all

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