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Old 03-10-2008, 12:05 AM   #14
Scooby Newbie
Member#: 81794
Join Date: Feb 2005
Chapter/Region: TXIC
Location: Plano, TX
2005 WRX


Thanks for posting your oil analysis. I recently started having them done and find it interesting to compare the analysis.

I have run the same oil in my car since about 10,000 miles. I started with Havoline 5W-30 and switched to Amsoil 5W-30 at 10k and have never changed the weight. I was using OE oil filters and an Amsoil Ea air filter, but just switched the air filter to a PureOne item because of the elevated silicone levels. I used the OEM air filter for 60 or 70 thousand miles.

I do a lot of long highway drives and do autox and track the car occasionally.


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Ahersh is offline   Reply With Quote