Intake Manifold leaks Coolant- Could it be too small??

toolmanmike said
THe stock manifold had pins in the front and rear walls (between the deck surfaces) Most aluminum intakes aren't drilled for those pins and can caust sealing issues. Just spit ballin' here.

The pins are not in the block china walls, so that's not a problem, but it was worth checking at this point- thanks.