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Author Topic:   reading spark plugs
Dirt Roller

Total posts: 12
posted July 13, 2001 11:43 AM
At one time someone posted this url in this newsgroup about reading spark
plugs, . In looking at my spark
plugs, mine look like the "Normal Condition". I run a 355 sbc, 11:1, using
autolite 23 plugs, 110 octane gas, 4bbl Rochester 750. I appear to be
using the correct plugs through a visual inspection.

Does anyone know of a chart that breaks down "Normal Condition" in more
detail so as to indicate what way to go if making a plug change or is this
just a trial-and-error sort of deal?

I'm interested in tuning to increase performance by a plug change if
that is possible. What is the best way to do this?

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