Of course ymmv, but of the 4 bb mopar "finished, ready to assemble" aluminum blocks I've used(3 world, 1 Indy), only the Indy block didn't need any reworking prior to assembly.

68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads