Pulled these plugs out after a month...not sure if these are good or bad...
Thank you! I wasn't sure what to look for.
Yes! Always add just a dab of anti-seize on the threads...dissimilar metals tend to fuse together when corrosion sets in.Learn how to analyze your engine's overall operating condition just by looking at your spark plugs. Find this and other DIY tips on our resource page.ngksparkplugs.com
You're welcome, the link above is a guide for reading plugs. If you pull enough plugs you'll eventually see them all. Except the ones related to lead, since we don't use lead now.
A dab of anti-seize on the spark plug threads is a good idea also.
Nineteen years working at a honda dealer, ive always added a small dab of anti-seize on every sparkplug i've replaced and never had any issues...but that was six years agoMarketing. Their plugs are so good you never need anti-seize.
Bet they're not interested in replacing a head if the plug seizes.
As far as lube or sealer changing torque readings, if that's really a problem, I've never run into it. Some applications require one or the other on the bolt threads.
As far as using a torque wrench on spark plugs, I've only done this once. Just to humor the owner.
Did some time with a Honda dealer myself, every once in a while there was a dry plug hole needing a helicoil.Nineteen years working at a honda dealer, ive always added a small dab of anti-seize on every sparkplug i've replaced and never had any issues...but that was six years ago