Maybe I missed it. How much bearing clearance did it have? How much oil pressure at what RPM level? Are the main bearing bore dimensions correct and in line? How was the assembly balanced? Studs or bolts? What crank? What rods? What oil pan? What oil? Many questions to answer here before someone decides it needs a "trick oil pump". To me it appears the crank is flexing with too little clearance causing irregular wear and metal transfer on mains #2 & #4. Rods appear to have been borderline on losing oil film causing the shiny spots but no metal transfer. Way more information needed to make a good repair. I will say that the bearings look very poor.
Doug