Intake Oil Leak

I'm looking for some help with a problem on my new 408. The intake refuses to seal along the port face of the heads. When I take the intake off there is oil half way up the ports. I am running Eddy heads and a M1 single plane intake. I had bought the short block and assembled it from there. I know the shop who put together the short block milled the deck some to zero it. I expected to have to mill the intake, but all the bolt holes line up perfect. Also, when I set the intake down on the heads with no gasket there doesn't appear to be a gap at the top or bottom of the port surface when your looking at the intake from the ends. I've use a Mopar and Fel-Pro gasket set with the same result. It really has me puzzled. Any help would certainly be appreciated.

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