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Thread: Best spark plugs for LR3 HSE

  1. #1
    Join Date
    Jan 2009
    Location
    Denver,CO
    Posts
    336

    Default Best spark plugs for LR3 HSE

    I am thinking of installing new plugs soon. Are the original type plugs the best or there better types available?

  2. #2
    Join Date
    Feb 2014
    Location
    San Diego
    Posts
    39
    The OEM plugs are NGK Iridium and I think they're the only option. I bought mine off eBay, part number is IFR5N10

  3. #3
    Join Date
    Sep 2015
    Location
    California / Neuch‚tel, CH
    Posts
    848
    the OEM is already a great plug. Go for those, either dealer or NGK IR model found elsewhere.

    Don't use anti-seize!!!
    2006 Discovery 3
    1995 Discovery
    1990 110

    Instgrm:CondorDavis

  4. #4
    Join Date
    Jan 2009
    Location
    Denver,CO
    Posts
    336
    That's two for OEM, sounds like a consensus. Was wondering about anti-seize, thanks.

  5. #5
    Join Date
    Jan 2007
    Posts
    751
    NGK plugs have a coating on them that makes anti-sieze unnecessary. You can get them at NAPA or Autozone.

  6. #6
    Iím currently using e3 on my lr3. Not a bad plug. Iíve been using it for about 20k no ignition or trouble codes so far. Make sure you look for a good deal...

  7. #7
    Join Date
    Jan 2017
    Location
    Los Angeles
    Posts
    18
    I use NGK BKR5EIX-11 in my LR3, easier to find and generally less than half the price of OEM Laser Iridium. I've used NGK Iridium IX plugs in all my cars and never once had an issue.

  8. #8
    Join Date
    Feb 2014
    Location
    San Diego
    Posts
    39
    The NGK BKR5EIX-11 is cheaper because it only has a 60,000 kms service life, compared to 100,000 kms for the IFR5N10.

    http://www.ngk-racingsparkplugs.com/...IX/BKR5EIX-11/

    http://www.ngk-racingsparkplugs.com/...idium/ifr5n10/

  9. #9
    Join Date
    Jan 2017
    Location
    Los Angeles
    Posts
    18
    I would never, ever leave a plug in a car for 60,000km let alone 100,000km. I do 25,00km max. In my Lotus I use Iridium IX I swap them every 10,000 but in that car it takes me 5 years to do 10,000km.

  10. #10
    Join Date
    Feb 2014
    Location
    San Diego
    Posts
    39
    The NGK BKR5EIX-11 plugs have 60% the rated service life of NGK IFR5N10 plugs, so while they may be cheaper to buy, they also need replacing almost twice as often. Seems like a false economy to me.

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