LD340 before and after porting numbers.

Killer6 said

Are We going to get an 'upper vs lower' plenum split, or are You confident it'll be a wash, asking for a friend......

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One port only. Way to much work removing the head, switching the valves around, remounting the head, readjusting the valve opener, etc. I have a head to finish, a TrickFlow intake showing up and starting this show all over.