Message: "I heard NGKs melt and autolites I heard cause
engine damage."
Where on earth did you hear this? Not on here. My '00 3.9 has had NGK's in it for the last 90,000 miles. Only problem I had was I tried the Copper electrode series and one of them just up and died on me. I use the reg. platinum not platinum plus or anything.
Subject: RE: 4.7L Spark Plugs