[W126 Coupe] Spark Plug Gap

[Bill Reford]

Jonathan,

Thanks for the advise, I'll do that immediately.

Bill   


  ----- Original Message ----- 
  From: Jonathan 
  To: Mercedes Coupes Mailing Lists 
  Sent: Monday, December 03, 2007 8:42 PM
  Subject: Re: [W126 Coupe] Spark Plug Gap


  Bill,

  Go out to your local McParts and order up a set of NGK BP6ES's, gap the to .042, add some anti seize, torque them to about 12-14lbs and you'll be set.

  Jonathan

  Bill Reford wrote: 
    Hi All,

    When replacing the timing chain on my 1990 560 (170,000 KM) or (104,000 Miles), I encountered the following:

    The existing NGK plugs have an "R" in the part #  (resistor I presume) earlier talk suggested that due the extra resistance that these plugs add to the ignition circuit, they should not be used.

    Mercedes Canada cannot get/sell me Bosch W9DCO's, (I believe that these are the proper plugs for my car)

    Also the gap ranged from .032 to .055 

    What solutions (including proper gap) would the group recommend instead.

    Thanks in advance

    Bill Reford

    1990 560 SEL
    1985 500 SEC Euro.
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1991 560 SEC Full Euro ECE (for sale)
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1988 300 TE
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