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Old 03-07-2008, 03:37 PM   #2
soundslikeboxer
Scooby Specialist
 
Member#: 131915
Join Date: Nov 2006
Chapter/Region: MAIC
Location: Richmond/Va Beach
Vehicle:
2007 WRX
sexy white pearl

Default

Yea royal purple isn't in an approved class of oil or some bs like that. Something about the phosphorus levels?

I use german castrol and its runs great, still very clean when I change oil at 3k miles.
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