royal purple oil - Toyota Yaris Forums - Ultimate Yaris Enthusiast Site

10-15-2009, 10:08 AM

#22

1stToyota

Drives: 2013 Chevy Spark 1LT 5-speed

Join Date: Oct 2008

Location: Oklahoma

Posts: 1,185

Quote:

Originally Posted by schleppy

I've heard mixed things about Royal Purple, though mostly good.

If you want the best of the best, I've been told AMSOIL is the way to go. Then again, oil opinions can vary, as we all know.

Last review I read at the Oil Guy Bob site on Amsoil's best, the Signature Series, it actually got bested [though it was very close] by PP...haven't seen any RP results. Some of the best UOAs that I've come across there was actually on Valvoline & Napa's version of Valvoline.

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