Balancing a Scat cast crank

flyfish said

I can't see doing internal balancing with a cast crank...just doesn't seem cost effective.

For what its worth, my Scat forged crank, forged Icon flat tops & Scat I-beams did not need any heavy metal for balancing.

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Can you use forged flattop pistons, H rods, and CAST crank with a 3.58" throw in a 340 block....and get away without balanceing anything, DONT want to pay if it's in the ball park. Would it be considered internal or external balance?