Originally Posted by BloFish
I just buy new plugs, but I have some friends who swear by cleaning their used plugs. Is it worth the time and effort to clean used plugs, I don’t think so.


If only carbon fouled, it's an easy job with a fine grit blaster.
But plugs with mileage/erosion, not really worth it.
Unless maybe plugs are very high $$$, or hard to come by.