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xbUser · 07-30-2008, 06:23 PM

If it saves more gas, what is the best brand name? I've heard Royal Purple or Amsoil... If you use synthetic oil, what filter are you using? I doubt regular Fram filter can last 10K without clog.

07-30-2008, 06:23 PM	#1 (permalink)
xbUser Box Dreamer Join Date: Jul 2008 Location: Pittsburg, CA Posts: 154 xB Commuter - '04 Scion xB 90 day: 40.76 mpg (US) Thanks: 0 Thanked 0 Times in 0 Posts	Synthetic Oil save more gas? If it saves more gas, what is the best brand name? I've heard Royal Purple or Amsoil... If you use synthetic oil, what filter are you using? I doubt regular Fram filter can last 10K without clog. __________________