Quote:
Originally Posted by '68OrangeSunshine
AC/Delco was stock in all GM engines. I used Champions for years, but since they went to Mexico a couple of years ago -- they sucked. I went back to AC spark plugs and got good results.
Autolites, I have no experience with. I can't knock 'em since I don't know from experience. They sell them everywhere. Honeywell makes Autolites.
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Check out the box labels. Almost everything AC Delco makes comes from Mexico.