what is the best combo for 1998 volvo v70 glt? for the wires there is a $100 difference between Volvo OEM and NGK.

thanks for the helpful tips on this site. i would suggest removing the cooling fan as it makes life a lot easier and it is not that difficult to pull out. i am halfway through this job with everything removed and noticed that there are a couple of drops of oil on the valves on the two cylinders clos...