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Old 06-29-2011, 12:16 PM   #103
mikerulzu
Scooby Newbie
 
Member#: 247774
Join Date: May 2010
Chapter/Region: BAIC
Location: SF, CA
Vehicle:
2011 WRX
DGM

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Quote:
Originally Posted by Cartmans 03_Wagon View Post

how about the "your car will be a whole hell of a lot happier if you just change it every 3k theory."
Why not 2k? Why not 1k? The fresher the oil, the happier the car!

I got a used oil analysis, which said my TBN in the oil was still solid at 2.6 after being run for 6k miles, and the viscosity is still good. Why should I change my oil at half its functional life? Like any other wear part, you don't need to replace it until it's no longer effectively doing its job.
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