Spark Plugs
08-24-2006, 10:36 AM
#1
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Spark Plugs
I have a 03 TL with 36K miles. Will I see a lift in power and performance if I switch out stock plugs to NGK Iridium's or should I wait?
08-24-2006, 10:38 AM
#2
Senior Moderator
No. Wait
08-24-2006, 04:07 PM
#5
@ slide or die @
i put them on. makes no difference whatsoever... no probs though. had denso iridiums and after 27-30k miles i could feel them strugglin 'cuase the car started to feel sluggish all of the sudden (SHORT LIFE SPAN) so i put some ngk IXs
08-24-2006, 04:36 PM
#6
Moderator
That's because Denso Iridiums, at the least the most common ones, contain Iridium center electrodes but conventional ground electrodes.
The NGK 6994 Iridiums contain an Iridium center w/platinum pad on the ground electrode for maximum longevity/durability in apps where there's firing from the ground to center electrode, not sure if TL is one of them, but its possible.
The plugs w/Iridium centers and platinum pads on the ground electrodes will last virtually forever unless there's some extreme fouling.
The NGK 6994 Iridiums contain an Iridium center w/platinum pad on the ground electrode for maximum longevity/durability in apps where there's firing from the ground to center electrode, not sure if TL is one of them, but its possible.
The plugs w/Iridium centers and platinum pads on the ground electrodes will last virtually forever unless there's some extreme fouling.
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