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Yeah, so I got bored and decided to try a little harder around the valve guide on the exhaust. I used a cone dual cut burr, and spent probably 20 minutes with the tiny little tip to get rid of that ridge that was right in front of the guide, and then a tree and flame burr to round out the edges as best as I could to help flow around the sides of the guide at the roof. I also danced my flame bits along the back side of the guide on the intake and exhaust to blend the seat into the bowl, so now there is zero ridges on the transition between the seat and bowl. Minor little detail, but nothing like chasing CFMs.
About as good as it gets. I cant get to the little rough spot on the sides too well, but I can live with that. The rest of it smoothed out and shined up pretty nice. A couple of small imperfections here or there, but i am calling it good finally. Head is getting decked tomorrow.
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