My 2.2 likes the Iridium AC Delco's best, I've tried Bosch Platinum, NGK v grooved, E spark and Autolite copper core in different 2.2 Ecotecs and non of them where happy till I wound those AC Delco's back in

 

But wouldn't your wife just ask you? I think MOST women would take offense at your assumption.

 

If you read how I worded what I said, it's more an observation than an assumption. It's not something my wife would even concern herself with since I take care of all of that kind of stuff. Obviously, the author if this thread didn't ask.....except here.