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  1. Difficulty Finding Compatible NGK Spark Plugs for Generator

    Nov 16, 2025 · Denso and NGK both make good spark plugs, so no reason to use one or the other, except maybe price/availability. Sounds like iridium is the way to go for an extra $5. I …

  2. Champion XC12YC plugs..anything better? | BobIsTheOilGuy

    Aug 10, 2019 · In NGK took the heat and beatings and kept on ticking...get the picture. We gave the Champion a fair test but after 5 Champion plugs that failed in a short time and the first …

  3. Iridium vs Ruthenium spark plugs | BobIsTheOilGuy

    May 10, 2015 · Per NGK, G-Power Platinum plugs are good for 60K km, Iridium IX 100K km, and Iridium Laser 120K km. Not sure about the Ruthenium HX plugs, as they were not around …

  4. Denso Long Life Iridium vs NGK Laser Iridium | BobIsTheOilGuy

    Aug 30, 2004 · According to the website, NGK Laser is 0.4mm tip and Denso Long Life is 0.7mm tip. Buy base on what you want, less voltage to fire (thus less misfire) or last longer.

  5. What a difference a spark plug makes! | Page 2 | BobIsTheOilGuy

    Dec 14, 2002 · What part # NGK plug did you use and what was the Torch #? I want to change mine too If your application is a Predator 3500 inverter generator, the factory plug was F7RTC …

  6. Difference between NGK BR6ES and BPR6ES ?!? | BobIsTheOilGuy

    Jun 6, 2006 · A NGK (from the Honda), a Torch (from the snowblower) and a NHSP (from the generator). I originally thought the NHSP was a Torch because of the model number on it. …

  7. Torch spark plug cross reference | BobIsTheOilGuy

    Mar 2, 2004 · Sorry if my post was confusing. I don’t need a simple cross reference. I need a cross reference to a plug that has a 5/8 hex, not 3/4 or 13/16, which is what the Torch plug …

  8. Antique Briggs Engine Spark Plug Selection | BobIsTheOilGuy

    Dec 14, 2002 · Use NGK BR2-LM or Autolite XST458 (iridium). Same heat range as the J19 you took out. It looks like the appropriate heat range for your usage. It might still be worth using a …

  9. Should I use certain spark plug grease when changing spark plugs?

    Feb 9, 2017 · Most modern plug manufacturers, like NGK, advise against using anything on the threads. Like anti sieze. These plugs have a coating on them already. Aside from that, a little …

  10. NGK or AC Delco Spark Plugs? | BobIsTheOilGuy

    Apr 16, 2013 · Price-wise, the AC Delcos are only $0.10 cheaper than the NGK Iridium IX plugs, though the NGK have iridium cores instead of copper. No, the ACDelco are iridium 41-101 and …