How strong is my setup?

388dart said

What heads, intake, carb and exhaust do you have? Assuming they have ARP or some aftermarket high strength rod bolts they are probably as good/or bad as any other SB rod unless you get in the $2k range. 6500rpm for a long stroke 416 is pushing it, I'd shift @ 5800-6K in 1st and 2nd and let it run out in 3rd. I have a 3.79 stroke and cross the finish line @ 6700 - works good.

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Heads are Mopar performance stage1 alu heads that have been converted from closed to open chamber. Intake is Mopars M1 single plane, carb is a Holley 750 and exhaust is TTi step headers and a 2½" system with h-pipe.

The rods have ARP bolts in them. But how about if i change to say Eagles ESP H-Beam rods that they say will hold up to 700 hp and 7500 rpm? Would that give any big gains in strenght or would it be throwing money away ?