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 and now …

May 10, 2015 · There is little I can find about Ruthenium spark plugs, except it's the new sliced bread, better, last longer, etc etc. If the Laser iridium have indeed only one iridium (or platinium + iridium) …

Jun 17, 2013 · NGK Laser Plat vs NGK Laser Iridium They dont make the NGK Laser Iridium for my car only the NGK IX Iridium and LASER PLATINUM ** Thats what I have in there now ** Now I read the …

Oct 7, 2025 · 2026 Honda NT1100. Photo: Honda The Euros just announced a fresh coat of paint for the bike in 2026, and presumably the US will see similar options next year. Europe gets Iridium Gray …

Mar 20, 2008 · Got my 2010 buick lucerne tuned up. Just hit 82000 miles. My mechanic replaced the spark plugs with double platinum but the owners manual specs for irridium. Is this going to create a …

Oct 30, 2005 · Iridium is more durable in high-performance applications. It conducts electricity better, is more heat resistant, and the electrodes can be made finer. Ruthenium plugs can last longer under …

Dec 31, 2017 · Since Iridium spark plugs last so long I fell behind on my sparkplug numbers. About 70,000 miles ago I put in 41-110 sparkplugs. Sometime along the way the number changed to 41 …

Nov 20, 2006 · The Laser Iridium plugs have a wider center electrode, whereas the IX has a more narrow one. I think that's why the Laser Iridiums last longer as well as the double precious metals, …

Apr 28, 2020 · Iridium plugs are only advantageous if they are of the double Iridium style. Double meaning the center electrode is Iridium and the ground strap is also tipped with Iridium.

Jan 23, 2019 · A spark is a spark, right ? I'm wondering if it will do long term damage to the vehicle's electronics if you replace a common plug with an iridium? No, spark plugs have a heat range, as long …