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From: Lehanover@aol.com
Message-ID: <1cd.2d3f5993.2ee1e823@aol.com>
Date: Fri, 3 Dec 2004 11:02:43 EST
Subject: Re: [FlyRotary] Re: (unshrouded plug ?)required wrench
To: flyrotary@lancaironline.net
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In a message dated 12/3/2004 9:34:01 AM Central Standard Time, 
ALVentures@cox.net writes:

<< t's looks to me like it would take more than removing just the "eyebrows"
 to use a stock socket on the B9EGV, especially on the leading plugs.
 
  
 
 Al >>

These NGKs just have short bodies that put the hex level with the hole. Any 
common (long body) medium or retracted gap plug in the same heat range works 
fine without the drama caused by the eyebrows. I get the racing NGKs free so it 
just makes me mad as hell that the eyebrow gets in the way if I want to try a 
different plug. So, I machine them off. Also, most of those same heat ranges 
are available in 5/8 hex plugs, and in that case the eyebrow matters not at 
all.  The race plugs are NGK R6725-115, and are probably way too cold even for 
aircraft use. You would need a real ignition system to keep them clean. Plus 
they are $25.00 each.

Champion N86=B9EGV
Champion N82=B10EG

Motor cycle shops have this type of plug in stock. Used in 2 cycle dirt bikes.

Lynn E. Hanover