Originally Posted by Ed Wright

Surely you know there is more to it than screwing the engine together. Cam voice, where to degree it, choosing the piston ring combination, and ring land clearances to specify when having the pistons machined, oil pump volume & internal clearances, bearing selection & oil clearances to use, oil pan choice, intake manifold & plenum volume. Much more to it than picking your block up from the machine shop to either screw it together, or choose to have them screw it together.