122k :-O !!!!!
Our 02 KJ w/ 3.7 was pushing the gaps to 0.065" after 30k miles.
Typical wear from what I see on the 3.7/4.7. Like Bernd said, 45thou
is nothin to worry about. I had logged approx. 1-2mpg difference in
plug refreshing though, so for the whopping $12 in spark plugs, I
wouldn't bat an eye over changing them ~ every 6mo. (of course Melissa
is logging about 39k/yr).
Good thing you greased the coils Kyle, I've cracked more than a few
coils coming out of 4.7s w/ 50-60k on them. Seems like it doesn't take
a whole lot to split the case..... but perhaps it's that 4ft prybar I'm
using to persuade the coilpacks out of their holes???? =)
-Jon Smith
>
> 16K miles and .045" isn't anything to be worried about.....you should
> see the plugs at 38-40K when I have to change them due to misfires and
> rough running issues. ;) Yes, i've actually had one customer come
> in with 122K miles on the original plugs - gap was opened up to
> .080"...and it still ran.
> - Bernd
>
> Kyle Kozubal wrote:
>
>
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