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The Undisputed Champion!
New Extreme Horsepower Tests Prove It
The testUnder extreme conditionsTwo cars on dynamometers*Both cars ran at maximum horsepower until engine failure
The ResultsCastrol SYNTEC 5W-30 maintained maximum horsepower 29% longer than the leading conventional oil.
Watch the torture at CastrolSyntec.com
Tested multiple times. Results based on statistcally significant values.
To unlock the power for yourself go to Castrolsyntec.com
