your 440 set up

Keep the stock rods, If you have the forged crank go for it. But keep in mind what you have now is probably in balanced. If all you want is 400-450 hp your cast crank, rods and even them pistons with the 516 heads with some work will get you waht you want. Select a cam intake and carb i bet your right in the middle of what you want. If its been 0 decked like you say.