broken harmonic balancer??

We pulled this motor out for an engine swap and were going to re-use this until we noticed the problem. What do I do now???
though I'm thinking of getting a U/D system. I'll be small cam, turbo, & DD setup. does anyone know if I will benefit of an aftermarket or stay stock? I don't see the need to pick up an extra 5 hp, if any, for $170. why would I want to go aftermarket?
though I'm thinking of getting a U/D system. I'll be small cam, turbo, & DD setup. does anyone know if I will benefit of an aftermarket or stay stock? I don't see the need to pick up an extra 5 hp, if any, for $170. why would I want to go aftermarket?
Pulley won't make much of a difference on a dyno, it will at the track though.
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though I'm thinking of getting a U/D system. I'll be small cam, turbo, & DD setup. does anyone know if I will benefit of an aftermarket or stay stock? I don't see the need to pick up an extra 5 hp, if any, for $170. why would I want to go aftermarket?
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