Damon,
Check this site for more info.
http://www.boschusa.com/images/SparkPlugFaces.pdf
George

----- Original Message -----
From: "Damon Campbell" <damoncampbellvw@yahoo.com>
To: "George Thorburn" <thorgk@ACCESSCOMM.CA>; <vanagon@GERRY.VANAGON.COM>
Sent: Sunday, June 13, 2004 10:32 AM
Subject: Re: plug heat ranges?

> Thanks for the response, George (and Eric, and Joel
> Walker).  This is of particular interest to me because
> my engine died due to pre-ignition.  Now, there were
> too many variables to say it was one specific thing,
> but when Bob finishes rebuilding it, i'll be sure to
> start with a "colder" plug, just to be safe...
>
> Thanks
>
> -Damon
>
>
> --- George Thorburn <thorgk@ACCESSCOMM.CA> wrote:
> > Damon wrote:
> >
> > >>I've seen a few mentions of plug heat ranges. What
> > >>does this effect? What are the consequences of
> > >>running "too hot" or "too cold" of a plug?
> >
> > Damon:
> >
> > I am no expert but if I understand this concept
> > correctly the heat range of a plug affects the
> > temperature of the tip when the motor is running.
>
> =====
> '84 Westy (Sparky) w/2.3L WBX (well... it was worth a shot.  And now it
is.)
> Vancouver, BC
>
>
>
>
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