QUOTE (tech1 @ Oct 29 2009, 09:46 AM)

Go to the dealer and buy factory filters, The oil filter is under very high pressure cold and it must have a check valve in it to prevent oil draining back into the pan.
You are correct about the high pressure at start-up & check valve, but I have to disagree about going to the dealer for a filter. Hyundai has filters made for them by someone else. There's only a hand-full of companies that make oil filters.
I couldn't find the spec's for a hyundai filter, but I'm guessing you can get an "as good" or better filter at any parts store.
This post has been edited by rsquared: Oct 30 2009, 06:52 PM