Just a thought if this is a race engine you're building. An aluminum rod will be easier on your crank, block, and way nicer to your piston skirts. Also will allow your engine to accelerate faster.

Im taking apart a 482 hemi right now that has been together 4 years, and made 915hp@7800 when it went together. 4.15 stroke, going 8200 in the traps in a heavy car. I cannot say the number of runs, but the owner goes most weekends weather permitting. He is never kind to anything,and blasts this motor around on the street too. this motor has worn out 3 sets of springs. I've never broken an aluminum rod, from anything the fault of the rod.

Just a thought.