Dead cylinder on new engine ( what in the he// happened? )

duster360 said

I think you fellas are on to something. I think I may have a problem with the intake sealing at that cylinder.

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If you remove the intake, clean the head surface and put a metal straight edge on both sealing surfaces to check them for flatness.

Use an adjustable bevel that you can get at a home improvement/hardware store to check the angles are correct on the block/head and on the intake.