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Thread: Part number help S camshaft

  1. #1

    Part number help S camshaft

    A search using the Porsche PETA catalog 901.105.110 1R lists this as the right camshaft for an E. The person I am buying it from states that its an S cam for MFI. Can anyone confirm what this part is? Thanks I'm inclined to believe the Porsche catalog but just want to make sure I'm not missing something. Thanks!

  2. #2
    Senior Member kentf14's Avatar
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    You're looking at the casting number, not the part number. Ask the seller what is stamped on the ends of the cams. Typically, there will be an "S" stamped there.
    I have a verified original set of MFI S cams in front of me. The cam with the MFI bung has an SE stamped on it and the other side has an S. FWIW, I believe that SE would translate into S-Einspritzung or S fuel injection.
    E911SR & RGRUPPE
    '65 911 "The Ol' Gal" (long gone)
    '73 S Coupe #306

  3. #3
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    Quote Originally Posted by MY911S View Post
    A search using the Porsche PETA catalog 901.105.110 1R lists this as the right camshaft for an E. The person I am buying it from states that its an S cam for MFI. Can anyone confirm what this part is? Thanks I'm inclined to believe the Porsche catalog but just want to make sure I'm not missing something. Thanks!
    That is a garden variety 2.0 T cam. It is only useful as a weapon in a road rage encounter.

    Ciao

    Jim

  4. #4
    Senior Member Bavaria911's Avatar
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    I have attached photos of the 2.4 S cams in my engine.
    Vr,
    Scott

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    Last edited by Bavaria911; 06-03-2013 at 07:49 PM.

  5. #5
    Don't believe everything that's stamped on a camshaft. The ONLY way to know FOR SURE is to have them profiled. I have also seen bone stock original 911S cams marked as 911E on the nose.

    Additionally, cams can be welded and reground ... which is why Jim's 911T bludgeons aren't totally worthless.
    -Marco
    SReg. #778 OGrp: #8 RGrp: #---
    TLG Auto: Website
    Searching for engine #907495 and gearbox 902/1 #229687

  6. #6
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    Kent and Marco are right. You need to check the profile to be sure, and you can actually do this yourself if you know how to use a mic. Get the lift height from one of the little Porsche spec books.

  7. #7
    Senior Member kentf14's Avatar
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    Absolutely, I would encourage getting them profiled to verify what you've got.

    Quote Originally Posted by MY911S View Post
    A search using the Porsche PETA catalog 901.105.110 1R lists this as the right camshaft for an E. The person I am buying it from states that its an S cam for MFI. Can anyone confirm what this part is? Thanks I'm inclined to believe the Porsche catalog but just want to make sure I'm not missing something. Thanks!
    E911SR & RGRUPPE
    '65 911 "The Ol' Gal" (long gone)
    '73 S Coupe #306

  8. #8
    Senior Member swisscheese's Avatar
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    Revitalizing this old thread: I have an original 1973 2.4S engine (never opened, I'm 99% sure) that has the 901.105.183.0R (S) number on the left one and the 901.105.110.1R (E) number on the right shaft. In rebuilding, we discovered this, but now I read that it's (relatively) common that the right S-cams had E numbers? Any more info on that? thnx. Tom
    911S 1973
    Early 911S Registry #176

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