Lucas relays | FerrariChat

Lucas relays

Discussion in 'Vintage (thru 365 GTC4)' started by Edward 96GTS, Sep 16, 2023.

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  1. Edward 96GTS

    Edward 96GTS F1 World Champ
    Silver Subscribed

    Nov 1, 2003
    10,878
    #1 Edward 96GTS, Sep 16, 2023
    Last edited: Sep 16, 2023
  2. red27

    red27 Formula Junior

    Sep 7, 2010
    923
    London UK
    Full Name:
    Mark Oliver
    Hi Edward. This may be of use, although they are in the UK, home of Lucas…
    Jaguar suppliers surely must have some equivalents or NOS. Moss in the UK may also be good.

    https://www.holden.co.uk/search/Relay

    best regards.
    Mark.
     
  3. Motob

    Motob Formula 3
    Professional Ferrari Technician

    Nov 11, 2003
    2,345
    Frederick, Maryland
    Full Name:
    Brian Brown
    The Lucas relays are easy to rebuild. I remove the external can and send it out for plating and then polish the contacts with 1000/1200/2500 grit sandpaper.
    The new reproductions don't look exactly the same, and they don't have the date codes that the original relays have. Your relays have 1968/69/70 date codes on them.
     
  4. jimmyr

    jimmyr Formula Junior

    Oct 10, 2004
    341
    Scottsdale, AZ
    Full Name:
    Jim
    One additional step to do after sanding the contacts is to rub a clean business card between the contacts to remove any sanding grit. Also, apply 12 volts to the coils to be sure the relay is working.
     
  5. Rifledriver

    Rifledriver Three Time F1 World Champ

    Apr 29, 2004
    36,817
    Cowboy Capitol of the World
    Full Name:
    Brian Crall
    A number of years ago I was asked to put back to its Monte Carlo specs a yellow 275 with a bunch of extra lights etc and was looking for period electrical equipment. Moss Motors in California came up with among other things period Lucas relays.
     

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