Dynotest synthetic oil increases horsepower [Archive] - Toyota Yaris Forums

YarisSedan

04-10-2009, 03:07 AM

http://www.royalpurple.com/tuner-performance.html

PETERPOOP

04-10-2009, 03:10 AM

I use that stuff.

YarisSedan

04-10-2009, 03:12 AM

i used to use royal purple. But now use amsoil high performace race oil

dallas

04-10-2009, 03:31 AM

Royal Purple "1970's style extreme pressure technology. :wink: