Veteran & Classic Car Club of W.A.

1929 dennis plugs

  • 5 Sep 2022 3:06 PM
    Message # 12906922

    Hi All,

    My query is regarding  equivalent spark plugs for above, at the moment it has 18 mm champion D16 fitted, these are a short threaded plug with no extension of the electrode, however the head has a deep thread 19 mm or so, with no problem with hitting the piston or the valves. I have a number from the parts shed plug books ML 50 long reach, this is a KLG plug and  l can't find any cross reference for any other make or anywhere on the net that has them. l would like to find a plug that is either a long reach equivalent or a protruding electrode or both.

    Any info would be appreciated. Mick.

    1 file
  • 20 Sep 2022 11:30 AM
    Reply # 12925197 on 12906922
    Anonymous member (Administrator)

    Hi Michael

    I have had no success sourcing a long reach 18mm plug but I have had a fair degree of success using NGK AB-6 plugs. These are usually available off the shelf at either NAPA (Coventrys) or Bursons.

    Peter

  • 26 Sep 2022 3:15 PM
    Reply # 12932026 on 12906922
    Anonymous member (Administrator)

    https://www.gsparkplug.com/

  • 28 Sep 2022 4:20 PM
    Reply # 12934709 on 12906922

    thanks for the replies, apparently the reason for the short plug ( D 16 champion) is to prevent fouling the plug, so the plug is correct, advice has been given to simply run a hotter plug, D 21, which should solve the problem of plug fouling at lights or ticking over for an extended time.

    Plugs and new caps are going in tomorrow, watch this space!

  • 29 Sep 2022 8:45 AM
    Reply # 12935923 on 12906922
    Anonymous member (Administrator)

    Good news.

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