Will'm,

When the plug fires, the electrode gets hot.  As the electrode heats,
resistance goes up.  With three electrodes, the spark always travels through
the coolest electrode, allowing a stronger spark and a longer life to the
plug, since a cooler electrode doesn't erode as quickly.

Karl Wolz

----- Original Message -----
From: "developtrust" <developtrust@COX.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Wednesday, February 27, 2002 11:12 AM
Subject: Re: Triple Electrode Spark Plug Available For 1.9L Motor

> I've heard the same thing and the opposite. I can not see how 3 or 4
> electrodes would make a difference. The spark is going to take the path of
> least resistance.
>
> Does anyone know if this is just subjective or is there any real empirical
> data to back this up?
>
> William Polowniak
> 1989 Vanagon GL
> 1988 Mercedes 300 SE
>
> ----- Original Message -----
> From: "Frank Condelli" <RAlanen@AOL.COM>
> To: <vanagon@GERRY.VANAGON.COM>
> Sent: Wednesday, February 27, 2002 3:23 AM
> Subject: Re: Triple Electrode Spark Plug Available For 1.9L Motor
>
>
> In a message dated 2/27/2002 12:07:39 AM Eastern Standard Time,
> LISTSERV@GERRY.VANAGON.COM writes:
>
>
> > Triple Electrode Spark Plug Available For 1.9L Motor
>
>        My experience has been that the three electrode model is better
than
> the four in the 2.1 engine.  No experience with either in the 1.9.
>
> Cheers
>
> Frank Condelli
> Almonte, Ontario, Canada
> <A HREF="http://members.aol.com/BusFusion/bfhome.htm">BusFusion</A> a VW
> Camper camping event, Almonte, ON, May 30, 31, June 1, 2, 2002
> '87 Westy & Lionel Trains
> Member: <A HREF="http://www.vanagon.com/">Vanagon List</A>, <A
> HREF="http://www.bcn.net/~limbo/">LiMBO</A>, <A
> HREF="http://www.westfalia.qc.ca/CIW_English.asp">IWCCC</A> & Capital City
> VW Club
> Vanagon/Vanagon Westfalia Service in the Ottawa Valley
> <A HREF="http://members.aol.com/Fkc43/stebro.htm">STEBRO/Vanagon Stainless
> Steel Mufflers</A>
> <A HREF="http://members.aol.com/Fkc43/busindex.html">Frank Condelli &
> Associates</A> or http://frankcondelli.com
>