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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