Yep, I suppose the ECM is flashed to misfire at 30k just to remind you to
change the plugs.

"L.W. ("ßill") Hughes III" > wrote in message
...
> I surly have, this was the fastest V6 Jeep in Glamis, '77:
> http://www.billhughes.com/jeep68sand2.jpg It was using your same twenty
> five thousand volts to fire the plugs. Seeing you haven't felt yours, I
> don't believe you can feel it miss fire, to your untrained eye it would
> probably feel like the new Hemi WJ switching between four and eight
> cylinders. And if you kept a log, you would notice a decrease in
> mileage.
> God Bless America, ßill O|||||||O
> http://www.billhughes.com/
>
> Matt Macchiarolo wrote:
>>
>> Bill, have you ever even felt a 6-cyl engine misfire? If you had, you
>> would
>> know that mine is not.