Today I changed the plugs in my 2003 Saturn LW-200, L61 Ecotec 2.2 engine. The plugs supposedly would be good for 100K miles, but I would be afraid they would not come out cleanly after 100K. And it is an easy task on this engine, and not so expensive (AC Delco iridium $ 7 each at Advance Auto Parts, & Delco has a $2 / plug rebate now) - so I follow an interval of approx. 50K miles. And with a shorter interval, I am following what the AC Delco site says abut their plugs - NO anti-seize.
Maybe when the job is really difficult, it makes sense to go the recommended range, and maybe then it would pay to use some anti-seize.
I will say that after 50K, the gap was still good - a tight .045.
Maybe when the job is really difficult, it makes sense to go the recommended range, and maybe then it would pay to use some anti-seize.
I will say that after 50K, the gap was still good - a tight .045.