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Thread: FS: 911R VDO 10K Tach Reproduction (24000 imp) RESTORED

  1. 01-15-2017, 12:09 AM #1
    914-6gt
    914-6gt is offline
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    FS: 73' 911 RSR VDO 10K Tach Reproduction (24000 imp) RESTORED

    Here is a restored reproduction 73' 911 RSR VDO 10K Tach unit for sale (24000 Imp).

    I am offering this 'converted' 10K Tach for a friend, he may be out of town for approx. 4 weeks so delivery can't take place until his return.

    Very reasonably priced at $700

    2017-01-15_0-50-57.jpg

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    Porsche Part Number 911.641.304.00

    2017-01-15_0-53-59.jpg

    Here is a good explanation from a forum member describing what the '24000 Imp' number stamped by VDO at the back of the can of these tachometers mean. Read below...

    Quote Originally Posted by davep View Post
    Just to ease the confusion over the "imp"s, this appears to be the IMPulses per minute that the tach is rated for. So a 6 cylinder produces 3 ignition impulses per revolution, thus 30000 per minute at 10000 RPM. So a 30000 imp is rated for 10000 RPM and 24000 imp is rated for 8000 RPM with a 6 cyl.
    In summary, a "REAL" factory original VDO 10K Tach is stamped as '30000 Imp' while all others are not. Those are 'converted' instruments. End of lesson...

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    No pm please, if interested, please emails ONLY to     ajserrano @ msn dot com - Thank you.
    Last edited by 914-6gt; 01-15-2017 at 10:34 AM. Reason: Correcting the title as 911 RSR, not 911R. Thx
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