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Identifying EVO2 cams

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  • Identifying EVO2 cams

    Need help identifying EVO2 264deg intake cam. I there any way to know if the the cams are of the EVO2 intake side? Its almost impossible to tell just by looking at the lobes, I guess there should be somekind of marker stamped, hope someone knowledgable can give me info on this...thanks!!!

  • #2
    there should be different numbers stamped on the cams themselves. there should also be some numbers stamped on the numbers that would face/mate with the stock cam sprocket. I should dig up a picture of my EVO III cam as it had different stampings from my stock 248 cams. With that said, you can measure the lobe and get a good idea.

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    • #3
      Here's a shot of my cams..
      EVO II top and EVO III bottom
      EVOII and III Center Markings
      End Markings:
      EVOII
      EVOII-264 End Markings
      EVOIII
      EVOIII-272 End Markings
      Stock US-246
      STOCKUS-246 Center Markings
      StockUS-246 End Markings
      Interesting Note: The EVOIII lobe has a chamfered edge around the complete lobe profile. While none of the other BMW factory cams have this design. I wonder if anyone has noticed this?
      Photobucket
      Last edited by m3pat2; 09-21-2008, 01:37 PM.
      Pat

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      • #4
        Nice pics, Pat. I remember somebody posted a bit about the chamfered edges on the Evo3 cam. It might've been Jake?

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        • #5
          Thank you very much!!!!!!!!!!!!!!!!!!

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          • #6
            IIRC only the numbers on the flanges are what is important.
            The 4 digit number on the shaft is only the casting date/batch number


            Goodbye M3, you served me well.

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            • #7
              Thanks for the info Uwe. I wasn't sure so I took shots of everything. My camera sucks for closeups, so I apologize for the blurry pics.
              Pat

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