what type of spark plugs would you guys recommend for a stock '00 s40? my fiancee just bought this car used a month ago with 40K miles. it was recommended to her that the spark plugs needed to be changed out. thanks in advance.
well, i was gonna go that route, but the dealer wants to charge me an arm and a leg for stock plugs. i'm gonna try autolite 3923's (they're $1.30/eqch), since they are recommended for a stock 1.9T. anyone heard anything good/bad from using these plugs??
I'd say listen to Drew. Even the most expensive spark plugs aren't really that expensive in the grand scheme of things. You have a 50/50 chance that those cheap plugs may cause noticable performance loss judging by the previous complaints on the subject. Volvos are a bit finicky in this area.