Just had one come here from south Jersey. Make sure the shop you take it to thoroughly cleans the block and crank. He does recondition rods also. You can have it neutral balanced so any damper or torque converter can be used. We have dampers and can cut the weights off the converter. A good balance engine spins like an electric motor . The better the balance the les wear it has. We have 340 blocks cranks and rods. here also