Spark Plugs...Indexing

[nacelp]

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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