Re: Spark Plugs...Indexing

[romans@starstream.net (Romans, Mark)]

Hi Bruce:  What do you usually use to index the plugs?  Shims of varying
thickness?
Mark
----- Original Message -----
From: "nacelp" <nacelp@bright.net>
To: <gmecm@diy-efi.org>
Sent: Saturday, May 06, 2000 3:59 PM
Subject: Re: Spark Plugs...Indexing


> No HP here that I've foound, *other* then you can tune better.
> Onna SBC, you want the side electrode, down.  ie closest to the floor (as
> far from the center of the chamber as possible.
> They should all read uniformly with them indexed, and not have Mottiling
> (color patches), which happens when the side electrode is hiding the flame
> front, from burnable mixture.
> Grumpy
>
>
> > Hi all:  To all those who have spent many hours messing with plugs and
> > indexing.  I am running regular ac plugs, (HO Quad4 APP Plug) in my 87
L98
> > vet.  11.1 to 1 compression.  If I were to index the plugs, what
direction
> > should I index the plug too?  How much benefit is there?  I have heard
> some
> > numbers thrown around.
> > Thanks.
> > Mark
> >
>
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