
Reasonable Iridium Plug change interval | BobIsTheOilGuy
Jul 15, 2018 · 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 …
Iridium vs Ruthenium spark plugs | BobIsTheOilGuy
Apr 27, 2019 · 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 …
Denso Iridium TT vs long life, which one is better?
Apr 27, 2010 · 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 …
NGK Iridium IX vs Laser Iridium | BobIsTheOilGuy
Nov 20, 2006 · 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 …
GM 5.3 owners - MPG and Iridium plug question.
Feb 15, 2011 · 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 …
Do I really need iridium spark plugs? | BobIsTheOilGuy
Apr 21, 2018 · 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 …
Spark Plugs: NGK IX Iridium v. NGK Double Platinum
Jul 16, 2005 · 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 …
iridium plugs. do they make a difference | BobIsTheOilGuy
Dec 18, 2012 · Copper or iridium plugs alone, used with stock resistive wires, make minimal difference (from the minimal resistance difference). Modern engines may benefit more from …
Go with Denso Iridium TT trend or Long Life OE spark plugs?
Oct 8, 2012 · The manual calls for Denso Iridium Long Life plugs to be changed at 160k km. Cars at 320k so second swap and I noticed Denso has new TT plugs with smaller 0.4mm center …
Iridium spark plug resistance | BobIsTheOilGuy
Jul 2, 2007 · There are no copper tipped plugs, whereas platinum and iridium are the tip material. Plain steel is great, resistance wise. Platinum actually has more resistance, and iridium is …