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Old 10-26-2006, 03:53 PM
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MT-2500 MT-2500 is offline
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Re: 100,000 mile service?

Quote:
Originally Posted by GMMerlin
AC Delco P/N 41-985, is gapped to 1.01mm (0.040 inches) when the spark plug is made. The spark plug gap is set during manufacturing and should not be changed or damage to the spark plug may result. Any new spark plug found to not be properly gapped should not be used.

10-4 GMMerlin
The good book says do not move them.
I was just wondering if you find many plugs with the tips not centered or the platumin dot not centered on tip or with the electride?
It seems like the ones I get about half of them are not centered good.
MT
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