318 Install Question
I do the 4 corners of the intake. If it's off, then the most outter bolt holes on the head. If there off, the most otter holes in the block closest to the top of the engine.
I now use a sealent only on the intake manifolds ends. From corner to corner.
I have had problems in the past that did require a bit on the intake to head gasket, but those are mostly a rare problem. At this point, the silicone is a band aid fix to another problem.