Quote Originally Posted by mralx152 View Post
Ive always been told to change my oil every 3k miles why now 5k at 3k the oil is black and no good at least my last 6 DIY oil changes. With the DOHC I would think every 3k would be right due to at least for ke the amount of oil lost threwout the 3k miles.
When it comes to oil changes, it depends on the type of driving you do. If you live in a city environment, with lots of short trips with the car not often coming up to full temp, then even the 3K mile schedule is not adequate. I change my oil every 6 months regardless of mileage due to the cold operation factor.

You will never go wrong by changing your oil too often. But you can go wrong by not changing it often enough.