Stupid intake question

Once you get the valve cover gaskets & dowels out of the way, you'll be able to start estimating how much the intake needs to be milled at the port surfaces. (Or the just the heads on their port surfaces.) If the bolt holes line up without intake gaskets, you'll need to mill the thickness of the intake gaskets being used. (Maybe .010" less to account for compression.) If the intake still sits high, you'll have to estimate how much more than the gasket thickness needs to be milled. Adding the estimated misalignment of the bolt holes to the gasket thickness milling amount will get you close.

I always cringe when I see "ovaled" intake bolt holes.