340 help

I dropped the block off today to have it Magna flux if that’s good I will have to put together a rotating assembly any suggestions would be appreciated as it was just a bare block. just want a good driving motor. Thanks KB9GIB
Do you want more HP than a standard 340? Is this for daily driving, cruising, all-out drag racing, hauling moonshine? Being installed in an A body or B-body or an Imperial? (I know what I do and like but that may not match what you want to do.) NM9S