I have a '93 NSX with 'Rod Knock' I'm looking to get this repaired and understand that I'll need a new crankshaft.  However, this part is no longer available.  SOS in Chandler AZ says they can manufacture one, but It could be up to a year before they do a run.  Does any one had any ideas regarding what other options might be available to me?  Your advice, insight and information are all genuinely appreciated.