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Series 3 OD Speedometer wanted

Discussion in 'Alpine Cars and Parts Wanted' started by raceatr3, Sep 19, 2018.

  1. raceatr3

    raceatr3 Donation Time

    Searching for an OD speedometer for a series 3. Should have 1408 on the face. Non working is fine.
  2. sunalp

    sunalp Platinum Level Sponsor

    Check with Allan Ballard as he has a Series IV that's pretty much the same as a Series 3.

  3. hartmandm

    hartmandm Moderator Platinum Level Sponsor

    The series IV speedometer for O/D is 1526 revs per mile vs the series III speedometer 1408. Approx 8% diff.

  4. alpine_64

    alpine_64 Donation Time

    The s3 had the 3.89 and Od combo so taller geared. The face of the gauge is the same as the siv.

    I had 2 x s3 od speedos sold one to a guy for his s3. I still have the other but was going to put in my sii with 3.89 and od..but i also went 14" so would not be correct anyway as im running a larger rolling radius.

    Might consider parting with it
  5. raceatr3

    raceatr3 Donation Time

    I would be interested in the S3 OD speedo. Please advise if you would like to sell and at what price.
  6. alpine_64

    alpine_64 Donation Time

    Ill let you know in a week or so, got to go get to my spares.. Also need to test it, if it needs a rebuild it woulf probably be more coat effective for you ro modify your existing one.

    As a side note you need the right toothed drive gear at the 'box end too
  7. raceatr3

    raceatr3 Donation Time

    Any progress tracking down the speedo? OK if it does not work. I'll send it off to Nosinger.
  8. SIVAllan

    SIVAllan Donation Time

    What is the parts designation number?
    I have a IV around here somewhere - it may be the same.
  9. alpine_64

    alpine_64 Donation Time

    Hi raceart3 i am sorry i hadnt got back to you, i didn't get a chance to get to the storage, as im not sure of the working condition it might be better to either rebuild and adjust ratio or get a gear reduction box made ( either way can also have it adjusted to your wheel/ tyre combo rolling radius.
  10. alpine_64

    alpine_64 Donation Time


    The s3 OD speedo was specific to that model as it used a 3.889 diff even when OD was fitted... Tallest gearing used in an alpine.

    Only the h120 and gls had taller geating for a rootes car with o/d and 3.70

    ( tigers ran 2.88 ... But thats with v8 torque and obviously different driveline)
  11. SIVAllan

    SIVAllan Donation Time

    Thanks Michael,

    That could be a tough item to find.

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