70 dart 470 ci drag car build.
Tiny update; I have smoke and clouds in the area but still 99° so I went out and cut one runner to base my porting measurements off of. Although when I ported my heads I did them by eye and measured afterwards and it was close enough lol.
I'm already into some porous aluminum on the roof but I'm close to the shape I want. I just need to add a little taper going up to the plenum