Quote:
Originally Posted by Performing Imports
Thanks for the kind words! The crank in the N54 and N55 are made from different materials, the N54 crank is made from forged steel and the crank in the N55 is sand cast iron. Steel flexes cast iron does not. That is the difference.
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is it the same, but just different material?
just curious, since I am in a turbo upgrade process.