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Discussion Starter #1
The owner's manual says to wait until the van has a warning light. But man, that seems to take a long long time! Do you guys really rely on that, or do you act on a schedule?
 

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My light always comes on at just about 9k miles and then I change it immediately.
 

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Discussion Starter #4
Thanks!

I just had it done, and I paid extra for synthetic oil. Poking around on the site, it sounds like that was the right decision. Yes?
 

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MMXVI - L2H2 in IN
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Loaded question, it's all about marketing and developing brand loyalty.

Use the recommended oil and change it when your supposed to.

from Blackstone Labs,

What's the best oil to use?
Ah, the million dollar question. We are an independent lab, so we don't make recommendations. It has been our experience that oil is oil, and either petroleum or synthetic-based oil will work well for just about any engine.

Come on, you're holding out on me. I should use synthetic, right?
Buddy, you should use whatever you want. Synthetic oil won't guarantee a longer engine life any more than my eating organic food will guarantee I'll live until I'm 90. We here at Blackstone generally use regular petroleum-based oil because honestly, it works just as well for us.
 
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