Casting of engine blocks

摘要

In assembly of engine block mold package, a water jacket slab core is assembled on a barrel crankcase core having a plurality of barrels on which cylinder bore liners are positioned. Some of the barrels include a core print on a distal end thereof. The water jacket slab core includes a plurality of core prints each in mating relation with a respective barrel core print and a plurality of bore liner positioning surfaces that each engage a respective distal end of a respective cylinder bore liner when the water jacket slab core is assembled on the barrels.