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- Reasonable Iridium Plug change interval | BobIsTheOilGuy
What would be a reasonable Iridium Plug change interval? I have Denso Iridium Power II's, which Denso rated for 30k miles back in 2014 or so when I put them in I rechecked and now Denso Europe gives them just 20k miles I heard a lot of people claim 60-70k miles on them are no problem Now the
- Iridium vs Ruthenium spark plugs | BobIsTheOilGuy
Funny, a few weeks ago I bought the same Ruthenium plugs, to replace the Iridium plugs in our '09 Mazda (with the same 2 3 l engine) Per NGK, G-Power Platinum plugs are good for 60K km, Iridium IX 100K km, and Iridium Laser 120K km
- Denso Iridium TT vs long life, which one is better?
The TT series is the aftermarket adaption of the Super-Ignition Plug Denso created for the Toyota D4-S engines, minus the side electrodes I’ve used the Platinum TTs in a Subaru, haven’t tried the Iridium TT Denso seems to push them more than Iridium Power iridium TTs have platinum on the ground electrode, like the OE plugs
- NGK Iridium IX vs Laser Iridium | BobIsTheOilGuy
Laser has iridium center electrode with small platinum disc welded to the ground electrode A Mazda TSB from 2012 indicates that this type of plug is required for Skyactiv engines even though NGK's site offers more that one type for those engines
- Do I really need iridium spark plugs? | BobIsTheOilGuy
So my car is due for plugs, and the stock replacement iridium and CA emissions specific plugs are $15 each, even from discount sites However, there are alternative platinums (which are also NGK just like OEM) for only $5 each I know iridium lasts longer than platinum, but I don’t plan on owning my car for 100k more miles anyway
- GM 5. 3 owners - MPG and Iridium plug question.
The new spark plug has an Iridium tip instead of the current Platinum tip Due to the different tip design, the gap of the spark plug has also changed The new spark plug, P N 12571164 with AC Delco P N 41-985, is gapped to 1 01mm (0 040 inches) when the spark plug is made
- iridium plugs. do they make a difference | BobIsTheOilGuy
Copper or iridium plugs alone, used with stock resistive wires, make minimal difference (from the minimal resistance difference) Modern engines may benefit more from the more durable iridium which allows making the electrode smaller for a very slight increase in combustion speed
- Spark Plugs: NGK IX Iridium v. NGK Double Platinum
NGK ITR4A15 = Double Iridium Long Life Plug Note: The center Iridium electrode is a fine wire because Iridium itself does not conduct electricity as well as copper; therefore the diameter needs to be made smaller to make up for the increased resistance to flow, but being that it's such a tough element, it can be made thinner
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