I wouldn't know, I just un-screwed the spark plugs to replace them and noticed rust on the threads of the old ones. I was wondering if this is a major problem. My truck has over 92,000 miles.


-Andy
1999 Tacoma Black Limited V6, 4x4,104K,LEER shell cover, deck plate air box amsoil air/oil filters w/ amsoil fluids, bilsteins shocks front & rear
3" toytec coils & AAL, 4 new TOYO tires (31x10.5x15). selling truck to the right price!!