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Originally posted by targatime I've heard great things about Royal Purple...anyone else use it?
I currently have Royal Purple in my car. That's what my mechanic uses whose primary business is prepping 911 racecars. I don't really see any difference in performance or consumption and at $7/qt, I'm not sure it's worth the premium. Aside from the price, I see no reason not to use it.
04-24-2004, 01:51 PM
