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Thread: FS: Mahle 2.8L RSR Pistons and Cylinders

  1. 10-31-2009, 12:51 PM #1
    jpbadonk
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    FS: Mahle 2.8L RSR Pistons and Cylinders

    ~~~~~ SOLD ~~~~~

    Mahle 2.8RSR 92mm Pistons and Cylinders : $2000 obo + shipping
    Used but look like new. Little/no play in rings. No bent/broken fins. Match with 66mm crank to make a 2.6L short stroke.
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  2. 11-03-2009, 05:45 AM #2
    jpbadonk
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    Ring gaps measured to within *new* specs!
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  3. 11-03-2009, 06:26 AM #3
    911scfanatic
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    So the cylinder head stud spacing on these is the "regular" case spacing and not RSR spacing, correct? My understanding is that RSR engines and stock engines have different stud spacings.

    What is the compression ratio?
    Bill G.

    1968 911 Ossi Blue coupe...full restoration in process
    Done: Engine; transmission; suspension; gauges; wheels; rust repair & primer; brakes; paint
    In progress: electrical; the tedious, endless, horrible fastener sorting/plating
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  4. 11-03-2009, 07:52 AM #4
    jpbadonk
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    Head stud spacing is 'regular', ie, works with 7R case. You will need a large spigot case (I have two that I'm selling as well) or will need to have the spigots opened up on a small spigot case. If you have a small spigot 7R case, you'd be better off selling it and buying a large spigot case.

    They are 10.3:1 C/R when used with larger RSR heads. A 2.4/2.7L head will require some machine work to lower the compression for use with pump gas. Steve Weiner at Rennsport is very familiar with this.
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  5. 11-03-2009, 02:34 PM #5
    mike curnow
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    Stud spacing

    Quote Originally Posted by 911scfanatic View Post
    So the cylinder head stud spacing on these is the "regular" case spacing and not RSR spacing, correct? My understanding is that RSR engines and stock engines have different stud spacings.

    What is the compression ratio?
    The 2.8 RSR uses 80mm head stud spacing, same as street engines. The 3.0 RSR uses 83mm head stud spacing. An SC engine uses 86mm spacing.
    Mike
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  6. 11-03-2009, 05:03 PM #6
    speedo
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    this is a good deal...

    If I was building a short stroke something....these would be perfect...wait, I'm looking for 2.0 S stuff. Someone should snag these...

    Speedo
    registry# 1283
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  7. 11-04-2009, 09:49 AM #7
    parced@telia.co
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    92 mm

    I'm interested. Please contact me on parced@gmail.com.

    Regards,
    Pär
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