Which rods????

I am building a 440 with a set of trw forged pistons.I am puttig a blower 671 on this engine.Which rod stock ly,440 source or cat.Both offer a 5140 rod with the pressed pin which i need.Up in the air on what to do any ideals ???? thanks

how much power, rpm, head flow?

I would only consider a good bushed rod like Oliver or equal or GRP aluminum or equal for any serious blower application.