I pose this question in my ongoing quest to improve performance on my 87
Dakota without spending unnecessarily.
Actually, it's not the spending that bothers me. I just don't feel like
changing my plugs. Condemn me for a lazy good-for-nothing if you will,
but that's just the way it is today.
The reason I know that they look healthy is that every once in a while I
pull one to see how it's doing.
Hello, plug
How ya doin'?
I come to watch your changing huin'
(huin' - slangy contraction of 'hueing', from 'hue', a gradation or
variety of a color; tint)
The plugs have nice, unworn, square electrodes and are properly gapped
and, over all, have a nice healthy appearance, albeit the ceramic
insulators are a bit on the white side. Can I assume that they are in
good shape? Or is there some internal condition, unseen by mortal eye,
that can develop, that causes plug performance to deteriorate?
The truck idles a bit rough, nothing at all severe, but something that I
think could be improved. I am ruling out the fuel delivery for the
moment and concentrating on the ignition. The cap and rotor appear to be
in good condition. The ignition wires all measure a bit below the low
end of the resistance range as specified in the service manual, 250 to
600 ohms per inch. Mine are about 200 to 220 ohms per inch and are not
that old.
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