Quote:
Originally Posted by jack black
Hi everyone.
I was changing oil today and decided to check sparkplugs to see how they are wearing at 70,000 miles. The plugs came too easy for so many miles. It turned out the dimwit previous owner replaced 120,000 mile OEM iridium with some aftermarket junk. Bosch Platinum +4. What is this junk?
The plugs looked just like these:

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Funny you call these junk! They're the top of the line platinums.
As for the pictures you just posted, my NGK's I had in 3 weeks ago did the same thing than those Bosch plugs.