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    1. #12
      Join Date
      Apr 2001
      Location
      Central CA USA
      Posts
      6,114
      Country Flag: United States
      Matt,
      I was told Cro Mo was heavier by David Crower, he was referring to their crankshafts and rods. He told me the percentage difference, but of course I forgot it. Their steel cranks are lighter than their Crome Molly cranks when machined in identical ways.

      I have not tried to verify it, but from the site you quoted by clicking on the metric weight link:
      1018 0.2843218 /cu in
      4130 0.2835992 /cu in
      4340 0.2835992 /cu in
      That's a fraction of a percent difference but Crower had told me it was several percent. Now I'm confused...

      Last edited by David Pozzi; 08-01-2005 at 09:47 PM.
      67 Camaro RS that will be faster than anything Mary owns.




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