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Ken Lazzeri is quick to point out that the Lunati crank is made of excellent material, however, the forging die is that of a big-block Chevy design. As a result, the counterweights are too short. On a Chrysler-specific forging, the measurement from the bearing surface to outside edge of the counterweight is 2.400 inches as indicated by the dotted line in the photo. On the Lunati crank--shown here--the measurement is 2.200 inches. That .200-inches short is critical--especially as it relates to your wallet. It takes as much as $750 in balancing expense to add enough Mallory metal to the counterweights to balance the Lunati crank assembly. When using a standard Chrysler forging, that balancing expense would run approximately $250.
1969 Road Runner Project, Part IV

 Ken Lazzeri is quick to point out that the Lunati crank is made of excellent material, however, the forging die is that of a big-block Chevy design. As a result, the counterweights are too short. On a Chrysler-specific forging, the measurement from the bearing surface to outside edge of the counterweight is 2.400 inches as indicated by the dotted line in the photo. On the Lunati crank--shown here--the measurement is 2.200 inches. That .200-inches short is critical--especially as it relates to your wallet. It takes as much as $750 in balancing expense to add enough Mallory metal to the counterweights to balance the Lunati crank assembly. When using a standard Chrysler forging, that balancing expense would run approximately $250.  View Related Article

 

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