A thin electrode has less resistance? It's been a long time since I
took an electrical engineering class (and freshman physics was even
longer ago) but as I recall, the resistance of a wire is inversely
proportional to the cross-sectional area - the fatter the wire, the
lower the resistance, and the thinner the wire, the higher the
resistance. Which is why you see folks replacing their battery wires
with really fat cables, like 2 gauge.
Paul Bullerman wrote:
>
> I was fucking around at work the other day and started looking for an NGK
> plug that would increase performance for my 4.7L.
> THey have a new performance plug with a really thin electrode and an iridium
> tip.
> Theory is that the really thin electrode (compare it to a needle) optimizes
> spark because there is less resistance. The iridium tip increases the life
> of the plug.
> The best plug I found is actually used in a Toyota 4.7l.
> NGK p/n BKR6EIX or stock # 6418. These actually cross to an autolite 3924.
> I noticed a big improvement on acceleration.
> Only down side, $7.00/plug. DOH!
> Oh and dont try to gap them, the electrode is so fine that it may break.
> They came gapped at .030.
>
> Then I put on the 68mm TB. didnt notice much difference, it seems to hold
> its own better on hills though. I didnt reset the computer though, so it
> may take a while to get used to it.
> Enough rambling.
> Boog
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