Can't make up my mind for Motor Oil - HELP PLZ

I know that these new synthetics last much longer and will extend the length of time before oil breaks down. Guess I'm old school I beleive a shorter interval oil changes removes suspended contaminants from the engine. My outside limit in service inervals is 8K and I try to get to them every 5K to 6K.
 
Anyone using German castrol 0w-30? Heard good stuff about it in the past so have been using it since I bought the car a couple years ago. Used to use mobile 1 but it seemed to burn more in the Honda s2000 I used to run it in so stopped using it. Others had the same experience.
 
what brand of oil do your fx used

I been using castrol oil synthetic blend 5w30 for a few months now. but I feel like I'm using the wrong type... so this why I wanted to see what kind you guy use thanks
 
Mobil 1 5W-30.

This chart might help explain why you need different oil viscosities.

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Pennzoil Ultra Full synthetic 5w-30

From all my research and use, I believe it's the best oil out unless you go to the ones that cost over $12 a quart.
 
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