2012年10月8日 · 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 …

2018年7月15日 · 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 …

2002年12月22日 · Almost all “iridium” plugs use a copper core as it would be cost prohibitive to use iridium for the whole thing. Those “copper” plugs use nickel on the center electrode for …

2010年4月27日 · 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 …

2015年5月10日 · 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 …

2008年8月15日 · I have two relatively new machines that came with Torch brand plugs. The first was a Champion 3500 watt generator, which never had a problem with the plug. The second …

2006年7月19日 · I was going to buy the NGK 95770 Iridium plugs at $13.99 ea. and I also saw Champion 9409 Iridium plugs for $6.69 ea.....wow, what is the difference ?, are the NGK plugs …

2002年8月5日 · From what I remember the older 0.4mm iridium plugs last about 15-30k miles, but the newer 0.4mm Denso Iridium TT claims 100k miles life vs the 80-100k miles life the 0.7mm …

2017年10月31日 · The Denso TT Iridium have a platinum pos pad with a copper core and iridium neg pad on a steel strap. I use then in my Gen Coupe and have to close the gap from the pre …

2005年10月12日 · Use Delco iridium plugs and call it a day. Unless your mechanic can get the NGK iridium plugs cheaper, which is who supplies Delco these days. The rear bank will be a …